Construction Planning and Management MCQ Solved Paper for SSC CHSL

1. 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

2. 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

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

4. The time by which activity completion time can be delayed without affecting the start of succeeding activities, is known as
A. Duration
B. Total float
C. Free float
D. Interfering float
Answer : C

5. In PERT analysis, the time estimates of activities and probability of their occurrence follow
A. Normal distribution curve
B. Poisson's distribution curve
C. Beta distribution curve
D. None of the above
Answer : C

6. For a given activity, the optimistic time, pessimistic time and the most probable estimates are 5, 17 and 8 days respectively, The expected time is
A. 8 days
B. 9 days
C. 10 days
D. 15 days
Answer : B

7. Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions Of these statements
A. Only (i) is correct
B. (i) and (ii) are correct
C. (i) and (iii) are correct
D. (ii) and (iii) are correct
Answer : C

8. 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

9. The salient feature of functional organisation is
A. Strict adherence to specifications
B. Separation of planning and design part
C. Each individual maintains functional efficiency
D. All the above
Answer : D

10. CPM is
A. Synthesising in concepts
B. Is built of activities oriented programme
C. Is based on time estimate
D. All the above
Answer : D

11. 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

12. Works costing less than Rs. 20,000 are treated as
A. Any project
B. Major projects
C. Minor projects
D. All the above
Answer : C

13. Grader is used mainly for
A. Trimming and finishing
B. Shaping and trimming
C. Finishing and shaping
D. Finishing, shaping and trimming
Answer : D

14. Consider the following features/factors:
1. Projects are of the non-repetitive type
2. Time required need not be known
3. Time required is known precisely
4. Events have been established for planning
5. Emphasis is given to activities of project PERT is preferred for planning because of
A. 1, 2 and 4
B. 3, 4 and 5
C. 1, 3 and 4
D. 1, 2 and 5
Answer : A

15. 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

16. Which of the following is a weakness of bar chart?
A. Interdependencies of activities
B. Project progress
C. Uncertainties
D. All of the above
Answer : D

17. Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
A. Ice
B. Concrete
C. Loose sand
D. Earth
Answer : D

18. Frequency distribution curves
A. Having a single lump, are called uninodal curves
B. If symmetrical, are called normal curves
C. If not symmetrical, are called skew curves
D. All the above
Answer : D

19. If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be
A. 50 %
B. Less than 50 %
C. More than 50 %
D. 100 %
Answer : C

20. 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

21. The main principle of an organisation, is
A. Unity of command
B. Effective control at all levels
C. Delegation of authority
D. All the above
Answer : D

22. 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

23. A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is: Drive wheels: 25000 kg Scraper wheels: 10000 kg If the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
A. 10000 kg
B. 12500 kg
C. 22500 kg
D. 5000 kg
Answer : B

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

25. For which of the following materials, the output of power shovels for a fixed shovel size will be maximum
A. Moist loam
B. Good common earth
C. Well blasted rock
D. Wet sticky clay
Answer : A

26. 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

27. 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

28. 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

29. 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

30. For the execution of a project, a contractor is
A. A person
B. A firm
C. An agency
D. All the above
Answer : D

31. Pick up the correct statement from the following with regards to C.P.M. network analysis of projects
A. The latest occurrence time of the node of which the activity arrow terminates minus the duration of the activity, is called latest start time
B. The latest occurrence time for the node at which the activity arrow terminates, is called latest finish time
C. Earliest occurrence time of the event from which the activity arrow' originates, is called earliest start time of the activity
D. All the above
Answer : D

32. Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing. Reason R: If the angle of swing is decreased, the cycle time will be decreased. Select the correct answer.
A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer : A

33. If the expected time for completion of a project is 10 days with a standard deviation of 2 days, the expected time of completion of the project with 99.9% probability is
A. 4 days
B. 6 days
C. 10 days
D. 16 days
Answer : D

34. PERT is
A. An analytic in concept
B. Limited of event oriented diagrams
C. Used for research and development projects
D. All the above
Answer : D

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

36. 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

37. A machine costs Rs. 20000 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. Rs. 1740
B. Rs. 3480
C. Rs. 5220
D. Rs. 6960
Answer : B

38. 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

39. 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

40. The rated loads of lifting cranes, as percentage of tipping load at specified radius, for crawler-mounted and pneumatic tyre-mounted machines would be respectively
A. 80 and 90
B. 90 and 80
C. 85 and 75
D. 75 and 83
Answer : D

41. The independent float affects only
A. Preceding activities
B. Succeeding activities
C. The particular activity involved
D. None of the above
Answer : C

42. 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

43. 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

44. A contractor has two options;
(I): Invest his money in project A or
(II): Invest his money in project B.
If he decides to invest in A, for every rupee invested, he is assured of doubling his money in ten years. If he decides to invest in B, he is assured of making his money 1.5 times in 5 years. If the contractor values his money at 10% interest rate, he
A. Should invest in neither of the two projects
B. Could invest in either of the two projects
C. Should invest in project A
D. Should invest in project B
Answer : A

45. While scheduling a project by C.P.M.
A. A project is divided into various activities
B. Required time for each activity is established
C. Net work is drawn by connecting the activities and the events
D. All the above
Answer : D

46. 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

47. 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

48. 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

49. 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

50. Sensitivity analysis is a study of
A. Comparison of profit and loss
B. Comparison of assets and liabilities
C. Change in output due to change in input
D. Economics of cost and benefits of the project
Answer : C