2023 101602

B.Tech 6th Semester Exam-2023

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Symbols used (if any) have their usual meanings.

Q.1 Answer any seven question of the following:

Q1.1

An activity is

a)

The beginning or end of a specified job

b)

An element of work entailed in the project

c)

The movement of heavy vehicle from one place to another

d)

The progress of work upto a certain limit

Q1.2

The probabilistic time is given by (Where $ t_o = $ optimistic time, $ t_p = $ pessimistic time and, $ t_n = $ Most likely time)

a)

(to+tp+tn)/3(t_o + t_p + t_n)/3

b)

(to+2tp+tn)/4(t_o + 2t_p + t_n)/4

c)

(to+4tp+tn)/5(t_o + 4t_p + t_n)/5

d)

(to+4tn+tp)/6(t_o + 4t_n + t_p)/6

Q1.3

Pert requires

a)

Single time estimate

b)

Double time estimate

c)

Triple time estimate

d)

None of these

Q1.4

Which of the following is a dummy activity?

a)

Excavation foundation

b)

Laying the foundation concrete

c)

Awaiting the arrival of concrete material

d)

Curing the foundation concrete

Q1.5

A Gantt chart indicates

a)

Balance of work to be done

b)

Efficiency of project work

c)

Comparison of actual process with the scheduled progress

d)

Progress cost of project

Q1.6

Negative slack occurs

a)

When latest allowable time is greater than earliest expected time

b)

When events stick to their schedule

c)

When deficiency of resource exist

d)

None of these

Q1.7

PERT calculation yield a project length of 60 week with a variance of 9 week. Probability factor corresponding to 95% is 1.647; then the number of week required to complete the project with a probability of 95% is

a)

60.94

b)

62.94

c)

64.94

d)

66.9417

Q1.8

Which of the following earth moving machines has the shortest cycle time

a)

Drag line

b)

Hoe

c)

Clam shell

d)

Dipper shovel

Q1.9

Which of the following data is not required to prepare an estimate?

a)

Amplitude

b)

Drawings

c)

Specifications

d)

Rates

Q1.10

Force majeure can be

a)

Act of god

b)

Fire on explosion

c)

Wars on hostilities

d)

All of the above

Q.2 Solve both questions :

Q2.1

(a) Describe various phases of project management.

Q2.2

(b) Discuss in brief the basics of slip forming for tall structure.

Q.3 Solve this question :

Q3.1

Following table shows details of activities of a small project: (i) Prepare AON network (ii) Prepare AOA network (iii) Identify critical path and duration of project (iv) Work out total, Free and independent floats

Sr. No Activity Preceding Activity Cost per day (Rs. Thousand) Duration
1 A - 5 14
2 B - 6 10
3 C - 4 20
4 D A 8 10
5 E B 4 160
6 F C 3 12
7 G D 3 10
8 H D 5 8
9 I E, F 4 20
10 J G 2 10
11 K H 3 16
12 L I 3 18

Q.4 Solve both questions :

Q4.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

Q4.2

A target date of completion is to be forecast based on the following information: Item A take 7 weeks for completion; Item B takes 5 weeks; Item C depend on the completion of both A and B, and requires 3 weeks; Item D follow up of item C and requires 2 weeks. Prepare a Gantt chart for scheduling the completion date.

Q.5 Solve both questions :

Q5.1

(a) Compare and contrast CPM and PERT. Under what circumstance would you use PERT as opposed to CPM in project management?

Q5.2

(b) Discuss the objectives of network analysis.

Q.6 Solve both questions :

Q6.1

(a) What are the factors must be taken into account before selection of construction equipment.

Q6.2

(b) calculate the output per day of a concrete mixture of 200 litres. Assume all data reasonably for the purpose.

Q.7 Solve both questions :

Q7.1

(a) Discuss various rules for providing dummies in a network. What are redundant dummies?

Q7.2

(b) What are the methods used for manufacture of precast concrete elements? Explain briefly

Q.8 Solve both questions :

Q8.1

(a) Explain duties and responsibilities of parties involved in a contract.

Q8.2

(b) Differentiate between conventional and mechanized methods of construction.

Q.9 Write short notes on any four of the following:

Q9.1
a)

Clam shell

b)

Modular construction

c)

Precast concrete construction

d)

Dewatering equipments

e)

Resource aggression and allocation

f)

Checklist for quality control


2023 V4 101602

B.Tech 6th Semester Exam-2023

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Symbols used (if any) have their usual meanings.

Q.1 Answer any seven question of the following:

Q1.1

An activity is

a)

The beginning or end of a specified job

b)

An element of work entailed in the project

c)

The movement of heavy vehicle from one place to another

d)

The progress of work upto a certain limit

Q1.2

The probabilistic time is given by (Where $ t_o = $ optimistic time, $ t_p = $ pessimistic time and, $ t_n = $ Most likely time)

a)

(to+tp+tn)/3(t_o + t_p + t_n)/3

b)

(to+2tp+tn)/4(t_o + 2t_p + t_n)/4

c)

(to+4tp+tn)/5(t_o + 4t_p + t_n)/5

d)

(to+4tn+tp)/6(t_o + 4t_n + t_p)/6

Q1.3

Pert requires

a)

Single time estimate

b)

Double time estimate

c)

Triple time estimate

d)

None of these

Q1.4

Which of the following is a dummy activity?

a)

Excavation foundation

b)

Laying the foundation concrete

c)

Awaiting the arrival of concrete material

d)

Curing the foundation concrete

Q1.5

A Gantt chart indicates

a)

Balance of work to be done

b)

Efficiency of project work

c)

Comparison of actual process with the scheduled progress

d)

Progress cost of project

Q1.6

Negative slack occurs

a)

When latest allowable time is greater than earliest expected time

b)

When events stick to their schedule

c)

When deficiency of resource exist

d)

None of these

Q1.7

PERT calculation yield a project length of 60 week with a variance of 9 week. Probability factor corresponding to 95% is 1.647; then the number of week required to complete the project with a probability of 95% is

a)

60.94

b)

62.94

c)

64.94

d)

66.9417

Q1.8

Which of the following earth moving machines has the shortest cycle time

a)

Drag line

b)

Hoe

c)

Clam shell

d)

Dipper shovel

Q1.9

Which of the following data is not required to prepare an estimate?

a)

Amplitude

b)

Drawings

c)

Specifications

d)

Rates

Q1.10

Force majeure can be

a)

Act of god

b)

Fire on explosion

c)

Wars on hostilities

d)

All of the above

Q.2 Solve both questions :

Q2.1

(a) Describe various phases of project management.

Q2.2

(b) Discuss in brief the basics of slip forming for tall structure.

Q.3 Solve this question :

Q3.1

Following table shows details of activities of a small project: (i) Prepare AON network (ii) Prepare AOA network (iii) Identify critical path and duration of project (iv) Work out total, Free and independent floats

Sr. No Activity Preceding Activity Cost per day (Rs. Thousand) Duration
1 A - 5 14
2 B - 6 10
3 C - 4 20
4 D A 8 10
5 E B 4 160
6 F C 3 12
7 G D 3 10
8 H D 5 8
9 I E, F 4 20
10 J G 2 10
11 K H 3 16
12 L I 3 18

Q.4 Solve both questions :

Q4.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

Q4.2

A target date of completion is to be forecast based on the following information: Item A take 7 weeks for completion; Item B takes 5 weeks; Item C depend on the completion of both A and B, and requires 3 weeks; Item D follow up of item C and requires 2 weeks. Prepare a Gantt chart for scheduling the completion date.

Q.5 Solve both questions :

Q5.1

(a) Compare and contrast CPM and PERT. Under what circumstance would you use PERT as opposed to CPM in project management?

Q5.2

(b) Discuss the objectives of network analysis.

Q.6 Solve both questions :

Q6.1

(a) What are the factors must be taken into account before selection of construction equipment.

Q6.2

(b) calculate the output per day of a concrete mixture of 200 litres. Assume all data reasonably for the purpose.

Q.7 Solve both questions :

Q7.1

(a) Discuss various rules for providing dummies in a network. What are redundant dummies?

Q7.2

(b) What are the methods used for manufacture of precast concrete elements? Explain briefly

Q.8 Solve both questions :

Q8.1

(a) Explain duties and responsibilities of parties involved in a contract.

Q8.2

(b) Differentiate between conventional and mechanized methods of construction.

Q.9 Write short notes on any four of the following:


2022 101602

B.Tech 6th Semester Exam., 2022

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Assume any data not given.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

For establishing and maintaining priorities among the various jobs of a project, the technique is known as

a)

critical ratio scheduling

b)

event flow scheduling technique

c)

slotting technique for scheduling

d)

short interval scheduling

Q1.2

In case of CPM, the performance of a specific task is known as

a)

dummy

b)

event

c)

contract

d)

activity

Q1.3

Military organization is also called as

a)

line organization

b)

line and staff organization

c)

functional organization

d)

None of the above

Q1.4

Which of the following is incorrect statement?

a)

The activity is the time consuming part of a project.

b)

The beginning and end of a job, are called events.

c)

The activity which consumes maximum time, is called a node.

d)

Logically and sequentially connected activities and events form a network.

Q1.5

Without affecting the start of succeeding activities, the time by which activity completion time can be delayed, is known as

a)

duration

b)

interfering float

c)

free float

d)

total float

Q1.6

In bar chart, the various activities of a project, are shown by

a)

vertical lines

b)

horizontal lines

c)

dots

d)

crosses

Q1.7

The time which is responsible for least possible construction cost of an activity, is

a)

normal time

b)

crash time

c)

standard time

d)

slow time

Q1.8

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

a)

3.5 and (5/6)(5/6)

b)

5 and (25/36)(25/36)

c)

3.5 and (25/36)(25/36)

d)

4 and (5/6)(5/6)

Q1.9

A critical ratio scheduling

a)

determines the status of each activity

b)

adjusts automatically changes in activity progress

c)

is a dynamic system

d)

None of the above

Q1.10

A machine costs 20,000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

a)

1,740

b)

3,480

c)

5,220

d)

6,960

Q.2 Solve both questions :

Q2.1

Assess the present constructional infrastructure in India. Give the remedial measures keeping in mind the economic feasibility.

Q.3 Solve this question :

Q3.1

What is critical path method? Prepare the network as per the data given in the Table 1 and compute in a table their early start, early finish, late start and late finish times. Determine the critical path and find the total float and free float for all the activities:

Q.4 Solve both questions :

Q4.1

What do you mean by PERT and what is its significance?

Q.5 Solve both questions :

Q5.1

Write the factors to be considered for precast concrete construction. What do you mean by scaffolding?

Q.6 Solve this question :

Q6.1

Compare the characteristics and application of the different types of earth excavating equipment. Estimate the output of bulldozer for the following operating conditions: (a) Material - Sandy loam top soil (b) Swell - 25% (c) Haul distance - 45 m (d) Mould board size - 3.0 m long, 1.0 m high (e) Rated mould board capacity - 3 cu.m loose volume (f) Operating factor - 50 min/hr (g) Probable round trip time - 1.87 min.

Q.7 Solve both questions :

Q7.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

Q.8 Solve both questions :

Q8.1

Explain the importance of organization in construction activities. What are the methods of scheduling?

Q.9 Solve both questions :

Q9.1

What is called liquidated damage? What do you mean by direct cost and indirect cost?


2022 V2 101602

B.Tech 6th Semester Exam., 2022

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Assume any data not given.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

For establishing and maintaining priorities among the various jobs of a project, the technique is known as

a)

critical ratio scheduling

b)

event flow scheduling technique

c)

slotting technique for scheduling

d)

short interval scheduling

Q1.2

In case of CPM, the performance of a specific task is known as

a)

dummy

b)

event

c)

contract

d)

activity

Q1.3

Military organization is also called as

a)

line organization

b)

line and staff organization

c)

functional organization

d)

None of the above

Q1.4

Which of the following is incorrect statement?

a)

The activity is the time consuming part of a project.

b)

The beginning and end of a job, are called events.

c)

The activity which consumes maximum time, is called a node.

d)

Logically and sequentially connected activities and events form a network.

Q1.5

Without affecting the start of succeeding activities, the time by which activity completion time can be delayed, is known as

a)

duration

b)

interfering float

c)

free float

d)

total float

Q1.6

In bar chart, the various activities of a project, are shown by

a)

vertical lines

b)

horizontal lines

c)

dots

d)

crosses

Q1.7

The time which is responsible for least possible construction cost of an activity, is

a)

normal time

b)

crash time

c)

standard time

d)

slow time

Q1.8

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

a)

3.5 and (5/6)(5/6)

b)

5 and (25/36)(25/36)

c)

3.5 and (25/36)(25/36)

d)

4 and (5/6)(5/6)

Q1.9

A critical ratio scheduling

a)

determines the status of each activity

b)

adjusts automatically changes in activity progress

c)

is a dynamic system

d)

None of the above

Q1.10

A machine costs 20,000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

a)

1,740

b)

3,480

c)

5,220

d)

6,960

Q.2 Solve both questions :

Q2.1

Assess the present constructional infrastructure in India. Give the remedial measures keeping in mind the economic feasibility.

Q.3 Solve this question :

Q3.1

What is critical path method? Prepare the network as per the data given in the Table 1 and compute in a table their early start, early finish, late start and late finish times. Determine the critical path and find the total float and free float for all the activities:

Q.4 Solve both questions :

Q4.1

What do you mean by PERT and what is its significance?

Q.5 Solve both questions :

Q5.1

Write the factors to be considered for precast concrete construction. What do you mean by scaffolding?

Q.6 Solve this question :

Q6.1

Compare the characteristics and application of the different types of earth excavating equipment. Estimate the output of bulldozer for the following operating conditions: (a) Material - Sandy loam top soil (b) Swell - 25% (c) Haul distance - 45 m (d) Mould board size - 3.0 m long, 1.0 m high (e) Rated mould board capacity - 3 cu.m loose volume (f) Operating factor - 50 min/hr (g) Probable round trip time - 1.87 min.

Q.7 Solve both questions :

Q7.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

Q.8 Solve both questions :

Q8.1

Explain the importance of organization in construction activities. What are the methods of scheduling?

Q.9 Solve both questions :

Q9.1

What is called liquidated damage? What do you mean by direct cost and indirect cost?


2022 V3 101602

B.Tech 6th Semester Exam., 2022

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Assume any data not given.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

For establishing and maintaining priorities among the various jobs of a project, the technique is known as

a)

critical ratio scheduling

b)

event flow scheduling technique

c)

slotting technique for scheduling

d)

short interval scheduling

Q1.2

In case of CPM, the performance of a specific task is known as

a)

dummy

b)

event

c)

contract

d)

activity

Q1.3

Military organization is also called as

a)

line organization

b)

line and staff organization

c)

functional organization

d)

None of the above

Q1.4

Which of the following is incorrect statement?

a)

The activity is the time consuming part of a project.

b)

The beginning and end of a job, are called events.

c)

The activity which consumes maximum time, is called a node.

d)

Logically and sequentially connected activities and events form a network.

Q1.5

Without affecting the start of succeeding activities, the time by which activity completion time can be delayed, is known as

a)

duration

b)

interfering float

c)

free float

d)

total float

Q1.6

In bar chart, the various activities of a project, are shown by

a)

vertical lines

b)

horizontal lines

c)

dots

d)

crosses

Q1.7

The time which is responsible for least possible construction cost of an activity, is

a)

normal time

b)

crash time

c)

standard time

d)

slow time

Q1.8

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

a)

3.5 and (5/6)(5/6)

b)

5 and (25/36)(25/36)

c)

3.5 and (25/36)(25/36)

d)

4 and (5/6)(5/6)

Q1.9

A critical ratio scheduling

a)

determines the status of each activity

b)

adjusts automatically changes in activity progress

c)

is a dynamic system

d)

None of the above

Q1.10

A machine costs 20,000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

a)

1,740

b)

3,480

c)

5,220

d)

6,960

Q.2 Solve both questions :

Q2.1

Assess the present constructional infrastructure in India. Give the remedial measures keeping in mind the economic feasibility.

Q.3 Solve this question :

Q3.1

What is critical path method? Prepare the network as per the data given in the Table 1 and compute in a table their early start, early finish, late start and late finish times. Determine the critical path and find the total float and free float for all the activities:

Q.4 Solve both questions :

Q4.1

What do you mean by PERT and what is its significance?

Q.5 Solve both questions :

Q5.1

Write the factors to be considered for precast concrete construction. What do you mean by scaffolding?

Q.6 Solve this question :

Q6.1

Compare the characteristics and application of the different types of earth excavating equipment. Estimate the output of bulldozer for the following operating conditions: (a) Material - Sandy loam top soil (b) Swell - 25% (c) Haul distance - 45 m (d) Mould board size - 3.0 m long, 1.0 m high (e) Rated mould board capacity - 3 cu.m loose volume (f) Operating factor - 50 min/hr (g) Probable round trip time - 1.87 min.

Q.7 Solve both questions :

Q7.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

Q.8 Solve both questions :

Q8.1

Explain the importance of organization in construction activities. What are the methods of scheduling?

Q.9 Solve both questions :

Q9.1

What is called liquidated damage? What do you mean by direct cost and indirect cost?


2022 V4 101602

B.Tech 6th Semester Exam., 2022

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Assume any data not given.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

For establishing and maintaining priorities among the various jobs of a project, the technique is known as

a)

critical ratio scheduling

b)

event flow scheduling technique

c)

slotting technique for scheduling

d)

short interval scheduling

Q1.2

In case of CPM, the performance of a specific task is known as

a)

dummy

b)

event

c)

contract

d)

activity

Q1.3

Military organization is also called as

a)

line organization

b)

line and staff organization

c)

functional organization

d)

None of the above

Q1.4

Which of the following is incorrect statement?

a)

The activity is the time consuming part of a project.

b)

The beginning and end of a job, are called events.

c)

The activity which consumes maximum time, is called a node.

d)

Logically and sequentially connected activities and events form a network.

Q1.5

Without affecting the start of succeeding activities, the time by which activity completion time can be delayed, is known as

a)

duration

b)

interfering float

c)

free float

d)

total float

Q1.6

In bar chart, the various activities of a project, are shown by

a)

vertical lines

b)

horizontal lines

c)

dots

d)

crosses

Q1.7

The time which is responsible for least possible construction cost of an activity, is

a)

normal time

b)

crash time

c)

standard time

d)

slow time

Q1.8

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

a)

3.5 and (5/6)(5/6)

b)

5 and (25/36)(25/36)

c)

3.5 and (25/36)(25/36)

d)

4 and (5/6)(5/6)

Q1.9

A critical ratio scheduling

a)

determines the status of each activity

b)

adjusts automatically changes in activity progress

c)

is a dynamic system

d)

None of the above

Q1.10

A machine costs 20,000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

a)

1,740

b)

3,480

c)

5,220

d)

6,960

Q.2 Solve both questions :

Q2.1

Assess the present constructional infrastructure in India. Give the remedial measures keeping in mind the economic feasibility.

Categorize the different construction works. Explain the different criteria of selection of site for a project.

Q.3 Solve this question :

Q3.1

What is critical path method? Prepare the network as per the data given in the Table 1 and compute in a table their early start, early finish, late start and late finish times. Determine the critical path and find the total float and free float for all the activities:

Activity Duration (days) Activity Duration (days)
1-2 8 4-7 0
1-3 10 5-6 4
1-4 5 5-7 3
2-7 6 5-8 6
3-4 3 6-8 5
4-5 7 7-8 5

Q.4 Solve both questions :

Q4.1

What do you mean by PERT and what is its significance?

As per the given network find the expected time for each of the paths. Also find the critical path as well as the expected time for the project completion.

Question Diagram

Q.5 Solve both questions :

Q5.1

Write the factors to be considered for precast concrete construction. What do you mean by scaffolding?

A project takes 20 days along the critical path and has a standard deviation of 4 days. What is the probability of completing the project within (a) 20 days, (b) 24 days and (c) 18 days?

Q.6 Solve this question :

Q6.1

Compare the characteristics and application of the different types of earth excavating equipment. Estimate the output of bulldozer for the following operating conditions: (a) Material - Sandy loam top soil (b) Swell - 25% (c) Haul distance - 45 m (d) Mould board size - 3.0 m long, 1.0 m high (e) Rated mould board capacity - 3 cu.m loose volume (f) Operating factor - 50 min/hr (g) Probable round trip time - 1.87 min.

Q.7 Solve both questions :

Q7.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

A target date of completion is to be forecast based on the following information: Item A takes 7 weeks for completion; Item B takes 5 weeks; Item C depends on the completion of both A and B, and requires 3 weeks; Item D follow up of Item C and requires 2 weeks. Prepare a Gantt chart for scheduling the completion date.

Q.8 Solve both questions :

Q8.1

Explain the importance of organization in construction activities. What are the methods of scheduling?

For the construction of a guesthouse, certain activities are to be performed as shown in Table 2. Activities 2 and 3 can be performed simultaneously and can start only when Activity 1 is completed. Activity 4 can start only after Activity 2 ends. Activity 5 cannot begin until activities 2 and 3 are completed. Activity 6 can start only after Activities 4 and 5 are completed. Activity 7 is the last activity and this can commence only after the completion of Activity 5. (a) Prepare a bar chart for the project. (b) What is the total time taken for the completion of the project?

Activity No. Duration (in weeks)
1 2
2 3
3 5
4 4
5 2
6 3
7 5

Q.9 Solve both questions :

Q9.1

What is called liquidated damage? What do you mean by direct cost and indirect cost?

The following Table 3 gives the data for the duration and costs of each activity of a project network. The indirect cost of the project is 3,000/week. Determine the optimum duration of project and the corresponding minimum cost. Draw the time scaled version of the network:

Question Diagram
Activity Normal Duration (week) Normal Cost (Rs) Crash Duration (week) Crash Cost (Rs)
1-2 6 7,000 3 14,500
1-3 8 4,000 5 8,500
2-3 4 6,000 1 9,000
2-4 5 8,000 3 15,000
3-4 5 5,000 3 11,000

2022 V5 101602

B.Tech 6th Semester Exam., 2022

Time 03 Hours
Full Marks 70
Instructions:
  • The marks are indicated in the right-hand margin.
  • There are NINE questions in this paper.
  • Attempt FIVE questions in all.
  • Question No. 1 is compulsory.
  • Assume any data not given.

Q.1 Choose the correct answer of the following (any seven):

Q1.1

For establishing and maintaining priorities among the various jobs of a project, the technique is known as

a)

critical ratio scheduling

b)

event flow scheduling technique

c)

slotting technique for scheduling

d)

short interval scheduling

Q1.2

In case of CPM, the performance of a specific task is known as

a)

dummy

b)

event

c)

contract

d)

activity

Q1.3

Military organization is also called as

a)

line organization

b)

line and staff organization

c)

functional organization

d)

None of the above

Q1.4

Which of the following is incorrect statement?

a)

The activity is the time consuming part of a project.

b)

The beginning and end of a job, are called events.

c)

The activity which consumes maximum time, is called a node.

d)

Logically and sequentially connected activities and events form a network.

Q1.5

Without affecting the start of succeeding activities, the time by which activity completion time can be delayed, is known as

a)

duration

b)

interfering float

c)

free float

d)

total float

Q1.6

In bar chart, the various activities of a project, are shown by

a)

vertical lines

b)

horizontal lines

c)

dots

d)

crosses

Q1.7

The time which is responsible for least possible construction cost of an activity, is

a)

normal time

b)

crash time

c)

standard time

d)

slow time

Q1.8

If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively

a)

3.5 and (5/6)(5/6)

b)

5 and (25/36)(25/36)

c)

3.5 and (25/36)(25/36)

d)

4 and (5/6)(5/6)

Q1.9

A critical ratio scheduling

a)

determines the status of each activity

b)

adjusts automatically changes in activity progress

c)

is a dynamic system

d)

None of the above

Q1.10

A machine costs 20,000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be

a)

1,740

b)

3,480

c)

5,220

d)

6,960

Q.2 Solve both questions :

Q2.1

Assess the present constructional infrastructure in India. Give the remedial measures keeping in mind the economic feasibility.

Categorize the different construction works. Explain the different criteria of selection of site for a project.

Q.3 Solve this question :

Q3.1

What is critical path method? Prepare the network as per the data given in the Table 1 and compute in a table their early start, early finish, late start and late finish times. Determine the critical path and find the total float and free float for all the activities:

Activity Duration (days) Activity Duration (days)
1-2 8 4-7 0
1-3 10 5-6 4
1-4 5 5-7 3
2-7 6 5-8 6
3-4 3 6-8 5
4-5 7 7-8 5

Q.4 Solve both questions :

Q4.1

What do you mean by PERT and what is its significance?

As per the given network find the expected time for each of the paths. Also find the critical path as well as the expected time for the project completion.

Question Diagram

Q.5 Solve both questions :

Q5.1

Write the factors to be considered for precast concrete construction. What do you mean by scaffolding?

A project takes 20 days along the critical path and has a standard deviation of 4 days. What is the probability of completing the project within (a) 20 days, (b) 24 days and (c) 18 days?

Q.6 Solve this question :

Q6.1

Compare the characteristics and application of the different types of earth excavating equipment. Estimate the output of bulldozer for the following operating conditions: (a) Material - Sandy loam top soil (b) Swell - 25% (c) Haul distance - 45 m (d) Mould board size - 3.0 m long, 1.0 m high (e) Rated mould board capacity - 3 cu.m loose volume (f) Operating factor - 50 min/hr (g) Probable round trip time - 1.87 min.

Q.7 Solve both questions :

Q7.1

Explain the application of BIM in project management. What are the safety measures to be considered in the construction site?

A target date of completion is to be forecast based on the following information: Item A takes 7 weeks for completion; Item B takes 5 weeks; Item C depends on the completion of both A and B, and requires 3 weeks; Item D follow up of Item C and requires 2 weeks. Prepare a Gantt chart for scheduling the completion date.

Q.8 Solve both questions :

Q8.1

Explain the importance of organization in construction activities. What are the methods of scheduling?

For the construction of a guesthouse, certain activities are to be performed as shown in Table 2. Activities 2 and 3 can be performed simultaneously and can start only when Activity 1 is completed. Activity 4 can start only after Activity 2 ends. Activity 5 cannot begin until activities 2 and 3 are completed. Activity 6 can start only after Activities 4 and 5 are completed. Activity 7 is the last activity and this can commence only after the completion of Activity 5. (a) Prepare a bar chart for the project. (b) What is the total time taken for the completion of the project?

Activity No. Duration (in weeks)
1 2
2 3
3 5
4 4
5 2
6 3
7 5

Q.9 Solve both questions :

Q9.1

What is called liquidated damage? What do you mean by direct cost and indirect cost?

The following Table 3 gives the data for the duration and costs of each activity of a project network. The indirect cost of the project is 3,000/week. Determine the optimum duration of project and the corresponding minimum cost. Draw the time scaled version of the network:

Question Diagram
Activity Normal Duration (week) Normal Cost (Rs) Crash Duration (week) Crash Cost (Rs)
1-2 6 7,000 3 14,500
1-3 8 4,000 5 8,500
2-3 4 6,000 1 9,000
2-4 5 8,000 3 15,000
3-4 5 5,000 3 11,000

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