Construction Planning and Management MCQ Solved Paper for SSC CGL

1. Updating may result in
A. Change of critical path
B. Decrease of project completion time
C. Increase of project completion time
D. All of the above
Answer : D

2. 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

3. Which one of the following is not an excavating and moving type of equipment?
A. Bulldozer
B. Clam shell
C. Scraper
D. Dump truck
Answer : D

4. The first method invented for planning projects, was
A. Bar chart method
B. Milestone chart
C. Critical path method (CPM)
D. Programme Evaluation and Review Technique (PERT)
Answer : A

5. Free float is mainly used to
A. Identify the activities which can be delayed without affecting the total float of preceding activity
B. Identify the activities, which can be delayed without affecting the total float of succeeding activity
C. Establish priorities
D. Identify the activities which can be delayed without affecting the total float of either the preceding or succeeding activities
Answer : B

6. 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

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

8. The technique for establishing and maintaining priorities among the various jobs of a project, is known
A. Event flow scheduling technique
B. Critical ratio scheduling
C. Slotting technique for scheduling
D. Short interval scheduling
Answer : B

9. The reduction in project time normally results in
A. Decreasing the direct cost and increasing indirect cost
B. Increasing the direct cost and decreasing the indirect cost
C. Increasing the direct cost and indirect cost both
D. Decreasing the direct cost and indirect cost both
Answer : B

10. The main disadvantage of line organisation, is
A. Rigid structure
B. Extraordinary delay in communications
C. Top level executions over work
D. All the above
Answer : D

11. If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is
A. 500 cum
B. 1000 cum
C. 1500 cum
D. 2000 cum
Answer : A

12. Free float for any activity is defined as the difference between
A. Its earliest finish time and earliest start time for its successor activity
B. Its latest start time and earliest start time
C. Its latest finish time and earliest start time for its successor activity
D. Its earliest finish time and latest start time for its successor activity
Answer : A

13. Which of the following earth moving machines has the shortest cycle time?
A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel
Answer : D

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

15. Pick up the incorrect statement from the following:
A. The difference between the earliest start time and latest finish time of any activity, is the maximum time available for the activity
B. The difference between the maximum time available for the job and actual time it consumes, is called total float
C. The difference between the latest start time and earliest start time of an activity, is called total float
D. None of these
Answer : D

16. 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

17. In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?
A. Yes, because of heavier overheads and handling cost
B. Yes, because of the very high order of quality control for the factory made components
C. No, because of repetitive manufacture of a number of elements
D. No, because of savings in site labour
Answer : C

18. The maximum rimpull in the first gear of a tractor while towing a load is 6300 kg. The tractor weighs 12.5 tonnes and is operating along a 2 percent upgrade and the rolling resistance is 45 kg/tonne. Pull available for towing the load is
A. 3425 kg
B. 5515 kg
C. 4350 kg
D. 2975 kg
Answer : B

19. Pick up the correct statement from the following:
A. Programme Evaluation and Review Technique, is event oriented
B. Programme Evaluation and Review Technique is not event oriented
C. Critical Path Method is event oriented
D. Critical Path method is event oriented
Answer : A

20. Mobilization advance up to 10% of the cost of work is given to a contractor
A. On commencement of work at site for payment of loan taken by him
B. For the purchase of construction materials
C. For the payment of advances to labour and other staff
D. For all activities required to start the work at site on finalization of the contract document
Answer : D

21. 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

22. An event is indicated on the network by a number enclosed in
A. A circle
B. A square
C. A triangle
D. All the above
Answer : D

23. Consider the following statements: In the critical path method of construction planning, Free Float can be.
1. Greater than Total Float.
2. Greater than Independent Float
3. Equal to Total Float.
4. Less than Independent Float. Of these statements
A. 1 and 4 are correct
B. 2 and 3 are correct
C. 1 and 4 are correct
D. 1 and 2 are correct
Answer : B

24. Output of a bulldozer is
(i) Increased if drawbar HP of the tractor is increased for a given hauling distance
(ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance
(iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor
(iv) Decreased if the hauling distance is increased for a given drawbar HP of the tractor
Of these statement
A. (i) and (iii) are correct
B. (i) and (iv) are correct
C. (ii) and (iii) are correct
D. (ii) and (iv) are correct
Answer : B

25. Earliest finish of an activity is always
A. Greater than earliest event time of the following node
B. Less than earliest event time of the following node
C. Less than or equal to earliest event time of the following node
D. Greater than or equal to earliest event time of the following node
Answer : C

26. Which of the following is not a PERT event?
A. Site investigation started
B. Sessional work completed
C. Bus starts from Jaipur
D. Class is being attended
Answer : D

27. 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

28. If the total float and duration of an activity are 5 and 10 days respectively, the particular activity can be
A. Started 5 days later
B. Completed 5 days later
C. Performed at slower rate in 15 days
D. All the above
Answer : D

29. Economic saving of time results by crashing
A. Cheapest critical activity
B. Cheapest noncritical activity
C. Costliest critical activity
D. Costliest noncritical activity
Answer : A

30. Residential buildings are treated as
A. Light construction
B. Heavy construction
C. Industrial construction
D. Private construction
Answer : A

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

32. 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

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

34. 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

35. Completion of an activity on CPM network diagram, is generally known
A. Event
B. Node
C. Connector
D. All the above
Answer : D

36. 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

37. 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

38. 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

39. Pick up the incorrect statement from the following:
A. An activity of a project is denoted by an arrow on the net work
B. The tail of the arrow indicates the start of the activity
C. The head of the arrow indicates the end of the activity
D. The arrows are drawn to scale from left to right
Answer : D

40. 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

41. In the time-cost optimisation, using CPM method for network analysis, the crashing of the activities along the critical path is done starting with the activity having
A. Longest duration
B. Highest cost slope
C. Least cost slope
D. Shortest duration
Answer : C

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

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

44. Whenever an activity has zero total float, then
A. Free float of the activity must be zero but independent float need not be zero
B. Independent float must be zero but free float need not be zero
C. Free float and independent float both must be zero
D. Free float and independent float both need not be zero
Answer : C

45. 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 these
Answer : D

46. Critical path method
A. Is an improvement upon bar chart method
B. Provides a realistic approach to daily problems
C. Avoids delays which are very common in bar charts
D. All the above
Answer : D

47. A machine is purchased for Rs. 10,000,00 and has an estimated life of 10 years. The salvage value at the end of 10 years is Rs. 1,50,000. The book value of the machine at the end of 5 years using general straight line method of evaluation of depreciation is
A. Rs. 4,75,000
B. Rs. 5,75,000
C. Rs. 6,50,000
D. Rs. 8,50,000
Answer : B

48. 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

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

50. Modular co-ordination of construction means proper
A. Planning
B. Designing
C. Execution
D. All the above
Answer : D