1. The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a.
A. triangle.
B. rectangle.
C. parabola.
D. cubic parabola..
Answer = cubic parabola.
2. 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 = all of the above
3. 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 = class is being attended
4. The area under the Beta – distribution curve is divided into two equal parts by_______________?.
A. most likely time
B. optimistic time
C. pessimistic time
D. expected time.
Answer = expected time
5. 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 = site located
6. Latest start of an activity is always________________?.
A. greater than or equal to latest event time of preceding node
B. less than or equal to latest event time of preceding node
C. equal to latest event time of preceding node
D. less than latest event time of preceding node.
Answer = greater than or equal to latest event time of preceding node
7. If the optimistic time, most likely time and pessimistic time for activity A are 4, 6 and 8 respectively and for activity B are 5, 5.5 and 9 respectively, then______________?.
A. expected time of activity A is greater than the expected time of activity B
B. expected time of activity B is greater than the expected time of activity A
C. expected time of both activities A and B are same
D. none of the above.
Answer = expected time of both activities A and B are same
8. 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 = free float and independent float both must be zero
9. Critical path_____________?.
A. is always longest
B. is always shortest
C. may be longest
D. may be shortest.
Answer = is always longest
10. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be_______________?.
A. 15 minutes
B. 20.143 minutes
C. 21 minutes
D. 27 minutes.
Answer = 21 minutes
11. 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 = independent float
12. 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 = increasing the direct cost and decreasing the indirect cost
13. The process of incorporating changes and rescheduling or replanning is called_______________?.
A. resource levelling
B. resource smoothening
C. updating
D. critical path scheduling.
Answer = updating
14. The normal time required for the completion of project in the above problem is_______________?.
A. 9 days
B. 13 days
C. 14 days
D. 19 days.
Answer = 14 days
15. 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 = all of the above
16. 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 = total float and free float
17. A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistence 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 = reduce by 200 kg
18. Which of the following excavators is most suitable for digging under water?.
A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel.
Answer = Drag line
19. 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. We.
D. l blasted rock
Answer = Wet sticky clay
20. 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 = less than X
21. 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 = Rs. 5,75,000/-
22. 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 = 500 cum
23. If the gross vehicle weight of a truck is 30 t 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 = 900 kg
24. 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 = 12500 kg
25. 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 = Rs. 31050
26. The probability of completion of any activity within its expected time is_________________?.
A. 50%
B. 84.1%
C. 99.9%
D. 100%.
Answer = 50%
27. 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 = 16 days
28. 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 = 4.23 years
29. 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 = Rs. 6,400/-
30. 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 = for all activities required to start the work at site on finalization of the contract document
31. 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 orginal 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 = on original critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
32. 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 = applying the theory' of probability to sample testing or inspection
33. 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 = 2.3% and 84.1%
34. 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 = Rs.3480
35. 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 = more than 50%
36. A four wheel trac*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 = 40 kg/tonne
37. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to_________________?.
A. 2 kg/tonne
B. 6 kg/tonne
C. 9 kg/tonne
D. 20 kg/tonne.
Answer = 9 kg/tonne
38. 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 = Loose sand
39. 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 = Earth
40. 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 = Rs. 8,43,750/-
41. 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_______________?.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are 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 = Both A and R are true and R is the correct explanation of A
42. 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 = Wet sticky clay
43. Which of the following earth moving machines has the shortest cycle time?.
A. Drag line
B. Hoe
C. Clam shell
D. Dipper shovel.
Answer = Dipper shovel
44. 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 = crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities
45. 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 = project duration time
46. Slack time refers to_______________?.
A. an activity
B. an event
C. both event and activity
D. none of the above.
Answer = an event
47. Economic saving of time results by crashing_________________?.
A. cheapest critical activity
B. cheapest non-critical activity
C. costliest critical activity
D. costliest non-critical activity.
Answer = cheapest critical activity
48. The direct cost of a project with respect to normal time is________________?.
A. minimum
B. maximum
C. zero
D. infinite.
Answer = minimum
49. 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 = normal time
50. What estimate would you give for the variance in above problem ?.
A. 81
B. 54
C. 36
D. 9.
Answer = 81
51. The independent float affects only_______________?.
A. preceding activities
B. succeeding activities
C. the particular activity involved
D. none of the above.
Answer = the particular activity involved
52. 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 = its earliest finish time and earliest start time for its successor activity
53. Total float for any activity is defined as the difference between________________?.
A. its latest finish time and earliest start time for its successor activity
B. its latest start time and earliest start time
C. its latest start time and earliest finish time
D. its earliest finish time and earliest start time for its successor activity.
Answer = its latest start time and earliest start time
54. 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 = identify the activities, which can be delayed without affecting the total float of succeeding activity
55. 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 = 3.5 and 25/36
56. 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 = less than or equal to earliest event time of the following node
57. 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 = Beta – distribution curve
58. Select the correct statement?.
A. Activity arrows in a CPM network are drawn to scale
B. The tail of an arrow represents the finish of an activity
C. Arrow bead represents the start of an activity
D. none of the above.
Answer = none of the above
59. 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 = research and development projects
60. 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 = none of the above
61. 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 = Start float and finish float need not be equal