1000+ Construction Planning and Management MCQ for NMAT [Solved]

1. A tractor shovel has a purchase price of Rs. 4.7 lacs and could save the organization an amount of rupees one lac per year on operating costs. The salvage value after the amortization period is 10% of the purchase price. The capital recovery period will be
A. 3.7 years
B. 4.23 years
C. 5 years
D. 7.87 years
Answer : B

2. Pick up the incorrect statement from the following:
A. The various functions under each activity, are shown by one bar on Bar Charts
B. Bar chart establishes the interdependency of one event on another
C. Only approximate percentage of the completed work is reported
D. None of these
Answer : B

3. Which one of the following represents an activity?
A. Excavation for foundation
B. Curing of concrete
C. Setting of question paper
D. All the above
Answer : D

4. The basic action involved in sheep foot rolling is
A. Kneading
B. Pressing
C. Tamping
D. Vibration
Answer : A

5. Final technical authority of a project lies with
A. Assistant Engineer
B. Executive Engineer
C. Superintending Engineer
D. Chief Engineer
Answer : D

6. Power stations are generally treated as
A. Light construction
B. Heavy construction
C. Industrial construction
D. Electrical construction
Answer : C

7. If t is the duration of an activity, t₁ is the latest finish possible moment of its preceding activity and t₂ is the earliest start possible moment, the independent float of the activity is
A. (t₁ - t₂) - t
B. t - (t₁ - t₂)
C. (t₁ + t₂) - t
D. t + (t₁ - t₂)
Answer : A

8. A dummy activity
A. Is artificially introduced
B. Is represented by a dotted line
C. Does not consume time
D. All the above
Answer : D

9. The time corresponding to minimum total project cost is
A. Crash time
B. Normal time
C. Optimistic time
D. Between normal time and crash time
Answer : D

10. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
A. Concrete
B. Loose sand
C. Asphalt
D. Firm earth
Answer : B

11. In time-cost optimization of a project, crashing is done.
A. On all the activities
B. On all the activities lying on the critical path
C. Only on activities lying on the original critical path and having flatter cost slopes
D. On original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
Answer : D

12. Bar charts are suitable for
A. Minor works
B. Major works
C. Large projects
D. All the Above
Answer : A

13. Pick up the correct statement from the following:
A. Optimistic time estimate refers to activities
B. Pessimistic time estimate refers to activities
C. Most likely time estimate refers to activities
D. All the above
Answer : D

14. Select the incorrect statement.
A. Start float and finish float are always equal.
B. Total float can be either start float or finish float.
C. Start float and finish float need not be equal.
D. Start float and finish float are the differences between activity times and not event times.
Answer : C

15. The time with which direct cost does not reduce with the increase in time is known as
A. Crash time
B. Normal time
C. Optimistic time
D. Standard time
Answer : B

16. Railway projects are treated as
A. Light construction
B. Heavy construction
C. Industrial construction
D. None of these
Answer : B

17. The probability of completion of any activity within its expected time is
A. 50 %
B. 84.1 %
C. 99.9 %
D. 100 %
Answer : A

18. The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
A. Event
B. Free float
C. Dummy
D. Constraint
Answer : C

19. The performance of a specific task in CPM, is known
A. Dummy
B. Event
C. Activity
D. Contract
Answer : C

20. The original cost of an equipment is Rs.10,000. Its salvage value at the end of its total useful life of five years is Rs. 1,000. Its book value at the end of two years of its useful life (as per straight line method of evaluation of depreciation) will be
A. Rs. 8,800
B. Rs. 7,600
C. Rs. 6,400
D. Rs. 5,000
Answer : C

21. Consider the following statements: Wheeled tractors are replacing crawler tractors because
1. Wheeled tractors travel faster.
2. Crawler tractors are more expensive.
3. Track parts of a crawler wear out quickly.
4. Crawler tractors have stick control. Of these statements
A. 1, 3 and 4 are correct
B. 2, 3 and 4 are correct
C. 1, 2 and 3 are correct
D. 1, 2 and 4 are correct
Answer : C

22. Batching refers to
A. Controlling the total quantity at each batch
B. Weighing accurately, the quantity of each material for a job before mixing
C. Controlling the quantity of each material into each batch
D. Adjusting the water to be added in each batch according to the moisture content of the materials being mixed in the batch
Answer : C

23. Consider the following statements for a power shovel: (i) Output can be increased by reducing the angle of swing for a given depth of cut. (ii) For a given angle of swing, output will be maximum at optimum depth of cut. (iii) Output can be increased by keeping the depth of cut less than optimum depth, (iv) Output can be increased by increasing the size of shovel. Of these statements
A. (ii), (iii) and (iv) are correct
B. (i), (ii) and (iv) are correct
C. (i), (iii) and (iv) are correct
D. (i) and (iv) are correct
Answer : B

24. Time and progress chart of a construction, is also known as
A. Bar chart
B. Gantt chart
C. Modified Mile stone chart
D. All the above
Answer : D

25. The difference between the time avail-to do a job and the time required to do the job, is known as
A. Event
B. Float
C. Duration
D. Constraint
Answer : B

26. PERT analysis is based on
A. Optimistic time
B. Pessimistic time
C. Most likely time
D. All the above
Answer : D

27. An earth moving equipment costs Rs. 5,00,000 and has an estimated life of 10 years and a salvage value of Rs. 50,000. What uniform annual amount must be set aside at the end of each of the 10 years for replacement if the interest rate is 8% per annum and if the sinking fund factor at 8% per annum interest rate for 10 years is 0.069?
A. Rs. 31050
B. Rs. 34500
C. Rs. 37950
D. Rs. 50000
Answer : A

28. Consider the following operations:
1. Drilling
2. Blasting
3. Mucking
4. Placing steel
5. Placing concrete
The correct sequence of these operations in tunnel construction is
A. 1, 2, 4, 3, 5
B. 1, 3, 2, 4, 5
C. 1, 2, 3, 4, 5
D. 1, 3, 4, 2, 5
Answer : C

29. Critical path lies along the activities having total float
A. Positive
B. Negative
C. Zero
D. Same
Answer : C

30. For excavating utility trenches with precise control of depth, the excavation equipment used is
A. Hoe
B. Shovel
C. Dragline
D. None of the above
Answer : A

31. A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be
A. 20 kg/tonne
B. 30 kg/tonne
C. 40 kg/tonne
D. 50 kg/tonne
Answer : C

32. If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is
A. 30 kg
B. 300 kg
C. 900 kg
D. 1000 kg
Answer : C

33. 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
B. 5 and 25/36
C. 3.5 and 25/36
D. 4 and 5/6
Answer : C

34. The critical activity has
A. Maximum float
B. Minimum float
C. Zero float
D. None of these
Answer : C

35. Interfering float is the difference between
A. Total float and free float
B. Total float and independent float
C. Free float and independent float
D. None of the above
Answer : A

36. Pick up the correct statement from the following:
A. Earliest expected time is denoted by T_E
B. Latest occurrence time is denoted by T_L
C. Contractual obligation time is denoted by T_s
D. All the above
Answer : D

37. Optimistic time, most likely time and pessimistic times for the activities of a network in the given figure are written above their arrows. If the contractual obligation time for the project is 75, the latest occurrence time for the event 2, is

A. 20
B. 25
C. 35
D. 15
Answer : B

38. A Milestone chart
A. Shows the interdependencies of various jobs
B. Depicts the delay of jobs, if any
C. Points outgoing ahead of schedule of jobs, if any
D. None of these
Answer : D

39. The three time estimates for the activities of the network shown in the given figure are shown above their arrows. The earliest expected time for the event 4, is

A. 19
B. 14
C. 24
D. None of these
Answer : A

40. Crash project duration is obtained by summing the
A. Normal durations for all the activities
B. Crash durations for all activities
C. Crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
D. Crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
Answer : D

41. The estimated time required to perform an activity, is known as
A. Event
B. Dummy
C. Duration
D. Float
Answer : C

42. The constraints in case of resource smoothening operation would be
A. Resources
B. Project duration time
C. Both resources and project duration time
D. None of the above
Answer : B

43. A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance of 30 kg per tonne. If this tractor is operated on a level road having a rolling resistance of 40 kg per tonne, then the drawbar pull of the tractor will
A. Reduce by 200 kg
B. Increase by 200 kg
C. Increase by 250 kg
D. Reduce by 250 kg
Answer : A

44. Pick up the correct statement from the following:
A. The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float'
B. The duration of time by which an activity can be delayed without affecting the succeeding activity, is called free float
C. The difference between total float and free float, is called interfering float
D. All the above
Answer : D

45. The direct cost of a project with respect to normal time is
A. Minimum
B. Maximum
C. Zero
D. Infinite
Answer : A

46. Preliminary project report for a road project must contain
A. The detailed estimated cost based on detailed design
B. The several alternatives of the project that have been considered
C. The soil survey, traffic survey, concept design and approximate cost
D. The contract documents for inviting tenders
Answer : C

47. Consider the following statements: In the bar chart planning
1. Interdependence of the operations cannot be portrayed.
2. Progress of work can be measured.
3. Spare time of the activities can be determined.
4. Schedule cannot be updated. Of these statements
A. 1, 2 and 3 are correct
B. 1 and 4 are correct
C. 2, 3 and 4 are correct
D. 1, 2 and 4 are correct
Answer : B

48. Select the incorrect statement.
A. Earliest start of an activity is the early event time of the node it leaves.
B. Latest finish of an activity is the late event time of the node it enters.
C. Latest start of an activity is its latest finish minus its duration.
D. None of the above
Answer : D

49. If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be
A. 2.3% and 84.1%
B. 97.7% and 84.1%
C. 97.7 % and 15.9%
D. 15.9% and 97.7%
Answer : A

50. PERT technique of network analysis is mainly useful for
A. Small projects
B. Large and complex projects
C. Research and development projects
D. Deterministic activities
Answer : C