Multiple Choice Questions and Answers on Construction Planning and Management
01. 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: Option D
02. Which of the following does not represent an activity?
(A) Site located
(B) Foundation is being dug
(C) The office area is being cleaned
(D) The invitations are being sent
Answer: Option A
03. In resources levelling
(A) Total duration of project is reduced
(B) Total duration of project is increased
(C) Uniform demand of resources is achieved
(D) Cost of project is controlled
Answer: Option C
04. 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: Option C
05. 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: Option C
06. 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: Option A
07. If the output of a dragline for 90° angle of swing at optimum depth of cut is X, then the output for 120° angle of swing at 120 % of optimum depth of cut will be
(A) Equal to X
(B) More than X
(C) Less than X
(D) Any of the above
Answer: Option C
08. 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: Option C
09. 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: Option B
10. Grader is used mainly for
(A) Trimming and finishing
(B) Shaping and trimming
(C) Finishing and shaping
(D) Finishing, shaping and trimming
Answer: Option D
11. 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: Option B
12. Which of the following earth moving machines has the shortest cycle time?
(A) Drag line
(B) Hoe
(C) Clam shell
(D) Dipper shovel
Answer: Option D
13. 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: Option D
14. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as
(A) Total float
(B) Free float
(C) Interfering float
(D) Independent float
Answer: Option D
15. During the construction period, price variation clause in contracts caters to
(A) Increase in rates of only important materials
(B) Variation in cost in materials element, labour element and petrol-oil-lubricant element
(C) Variation in total cost of the project on an ad hoc basis
(D) Rate of inflation
Answer: Option B
16. 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: Option D
17. At a work site, statistical quality control of concrete means
(A) Measurement of risks to eliminate failures
(B) Applying the theory’ of probability to sample testing or inspection
(C) Reduction in wastage of inspection costs
(D) Reduction in costs for the removal of defects
Answer: Option B
18. For the network shown in the given figure, the expected time for the activity
(A) 1-2 is 4
(B) 2-3 is 7
(C) 3-4 is 8
(D) All the above
Answer: Option D
19. 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: Option D
20. 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: Option B
21. 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: Option D
22. 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: Option C
23. A golden rule for the procurement of construction stones, suggests
(A) 100% at the site
(B) 67% at the site and 33% under procurement
(C) 50% at the site and 50% under procurement
(D) 33% at the site and 67% under procurement
Answer: Option B
24. 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: Option B
25. 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: Option D
26. 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: Option A
27. While filling the tender for any work, the contractor considers
(A) Site survey
(B) Availability of construction materials
(C) Availability of labour
(D) All the above
Answer: Option D
28. An excavator costs Rs. 20,00,000 and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is
(A) Rs. 8,43,750
(B) Rs. 8,75,000
(C) Rs. 10,50,000
(D) Rs. 11,56,250
Answer: Option A
29. 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: Option B
30. 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: Option B
31. 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: Option A
32. Power stations are generally treated as
(A) Light construction
(B) Heavy construction
(C) Industrial construction
(D) Electrical construction
Answer: Option C
33. For a given size of bucket, the ideal output of a dragline will be least in
(A) Moist loam
(B) Sand and gravel
(C) Good common earth
(D) Wet sticky clay
Answer: Option D
34. Bar charts are suitable for
(A) Minor works
(B) Major works
(C) Large projects
(D) All the Above
Answer: Option A
35. 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: Option D
36. Construction team means
(A) An engineer
(B) An architect
(C) An owner
(D) All the above
Answer: Option D
37. 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: Option C
38. 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: Option C
39. 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: Option C
40. Pick up the correct statement from the following:
(A) The float may be positive, zero or negative
(B) If the float is positive and the activity is delayed by a period equal to its total float, the completion of project is not delayed
(C) If the float of an activity is negative, delay in its performance is bound to delay the completion of project
(D) All the above
Answer: Option D
41. The independent float affects only
(A) Preceding activities
(B) Succeeding activities
(C) The particular activity involved
(D) None of the above
Answer: Option C
42. Site order book is used for recording
(A) Instructions by the executive engineers
(B) Construction measurements
(C) Issue of store equipments
(D) Names of the casual labour
Answer: Option A
43. 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: Option C
44. The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack Of these statements
(A) (i), (ii) and (iv) are correct
(B) (ii), (iii) and (iv) are correct
(C) (i), (iii) and (iv) are correct
(D) (i), (ii) and (iii) are correct
Answer: Option D
45. 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: Option C
46. Works costing less than Rs. 20,000 are treated as
(A) Any project
(B) Major projects
(C) Minor projects
(D) All the above
Answer: Option C
47. 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: Option B
48. Railway projects are treated as
(A) Light construction
(B) Heavy construction
(C) Industrial construction
(D) None of these
Answer: Option B
49. 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: Option B
50. 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: Option D