1. PERT technique of network analysis is mainly useful for
2. Select the correct statement.
3. Which of the following is a weakness of bar chart ?
4. In the network shown in Fig. 7.1, activity 4-5 can be started only when
5. Which of the following is not a PERT event ?
6. In PERT analysis, the time estimates of activities and probability of their occurrence follow
8. The area under the Beta - distribution curve is divided into two equal parts by
9. According to Fulkerson's rule, what are the correct event numbers corresponding to events A, B, C, D,E, F and G of the network shown in Fig. ?
10. With reference to the network shown in Fig. , which statement is incorrect ?
11. In the network shown in Fig.(above Figure), the concurrent and preceding activities corresponding to activity 2-4 are respectively
12. Which of the following does not represent an activity?
13. Earliest finish of an activity is always
14. Select the incorrect statement.
15. In the network shown in Fig. the earliest start time of activity 5-6 is (the number on the arrow shows duration of the activity)
16. Latest start of an activity is always
17. In the network shown in Fig. (15 fig) the latest start time of an activity 4-5 is
18. In the network shown in Fig. 7.5, the activity 6-8 can be started only when
19. 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
20. 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
21. Select the incorrect statement.
22. Free float is mainly used to
23. Whenever an activity has zero total float, then
24. Total float for any activity is defined as the difference between
25. In the network shown in Fig. inde¬pendent float for the activity 3-5 will be (the number on the arrow shows the duration of activity)
26. In the network shown in Fig. , the critical path is
27. Select the incorrect statement.
28. Free float for any activity is defined as the difference between
29. Critical path
30. The independent float affects only
31. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and some 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
32. What estimate would you give for the variance in above problem ?
33. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as
34. The time with which direct cost does not reduce with the increase in time is known as
35. The time corresponding to minimum total project cost is
36. The direct cost of a project with respect to normal time is
37. The reduction in project time normally results in
38. Economic saving of time results by crashing
39. The process of incorporating changes and rescheduling or replanning is called
40. Slack time refers to
41. The normal time required for the comple-tion of project in the above problem is
42. The constraints in case of resource smoothening operation would be
43. Updating may result in
44. Crash project duration is obtained by summing the
45. Interfering float is the difference between
46. Assertion (A): Activity 5-7 is critical.
Reason (R) : Earliest finish time and latest finish time for events 5-7 are same Select the correct answer.
47. 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
48. Which of the following earth moving machines has the shortest cycle time?
49. Which of the following excavators is most suitable for digging under water?
50. The part of a derrick crane include
51. For which of the following materials, the output of power shovels for a fixed shovel size will be maximum
52. For a given size of bucket, the ideal output of a dragline will be least in
53. Consider the following statements for a power shovel:
54. 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.
55. 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
56. Output of a bulldozer is
57. 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
58. 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
59. 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
60. Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
61. Rolling resistance of a wheel depends upon
62. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
63. 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
64. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to
65. 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
66. 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
67. 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 ?
68. 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
69. The probability of completion of any activity within its expected time is
70. 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
71. 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
72. 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
73. 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
74. Consider the following statements:
75. Consider the following statements :
76. In time-cost optimization of a project, crashing is done.
77. During the construction period, price variation clause in contracts caters to
78. At a work site, statistical quality control of concrete means
79. In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?
80. Mobilization advance up to 10% of the cost of work is given to a contractor
81. Sinking fund is
82. A contractor has two options;© : 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
83. In resources levelling
84. 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
85. Consider the following features/factors :
86. Consider the following activities in a building construction:
87. Consider the following operations :
88. 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
89. 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
90. Grader is used mainly for
91. Which one of the following is not an excavating and moving type of equipment ?
92. The most suitable type of equipment for compaction of cohesive soils is
93. For excavating utility trenches with precise control of depth, the excavation equipment used is
94. The basic action involved in sheep foot rolling is
95. Batching refers to
96. Consider the following statements:
Wheeled tractors are replacing crawler tractors because
97. 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
98. Sensitivity analysis is a study of
99. 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
100. Preliminary project report for a road project must contain
2. Select the correct statement.
3. Which of the following is a weakness of bar chart ?
4. In the network shown in Fig. 7.1, activity 4-5 can be started only when
5. Which of the following is not a PERT event ?
6. In PERT analysis, the time estimates of activities and probability of their occurrence follow
8. The area under the Beta - distribution curve is divided into two equal parts by
9. According to Fulkerson's rule, what are the correct event numbers corresponding to events A, B, C, D,E, F and G of the network shown in Fig. ?
10. With reference to the network shown in Fig. , which statement is incorrect ?
11. In the network shown in Fig.(above Figure), the concurrent and preceding activities corresponding to activity 2-4 are respectively
12. Which of the following does not represent an activity?
13. Earliest finish of an activity is always
14. Select the incorrect statement.
15. In the network shown in Fig. the earliest start time of activity 5-6 is (the number on the arrow shows duration of the activity)
16. Latest start of an activity is always
17. In the network shown in Fig. (15 fig) the latest start time of an activity 4-5 is
18. In the network shown in Fig. 7.5, the activity 6-8 can be started only when
19. 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
20. 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
21. Select the incorrect statement.
22. Free float is mainly used to
23. Whenever an activity has zero total float, then
24. Total float for any activity is defined as the difference between
25. In the network shown in Fig. inde¬pendent float for the activity 3-5 will be (the number on the arrow shows the duration of activity)
26. In the network shown in Fig. , the critical path is
27. Select the incorrect statement.
28. Free float for any activity is defined as the difference between
29. Critical path
30. The independent float affects only
31. A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and some 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
32. What estimate would you give for the variance in above problem ?
33. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as
34. The time with which direct cost does not reduce with the increase in time is known as
35. The time corresponding to minimum total project cost is
36. The direct cost of a project with respect to normal time is
37. The reduction in project time normally results in
38. Economic saving of time results by crashing
39. The process of incorporating changes and rescheduling or replanning is called
40. Slack time refers to
41. The normal time required for the comple-tion of project in the above problem is
42. The constraints in case of resource smoothening operation would be
43. Updating may result in
44. Crash project duration is obtained by summing the
45. Interfering float is the difference between
46. Assertion (A): Activity 5-7 is critical.
Reason (R) : Earliest finish time and latest finish time for events 5-7 are same Select the correct answer.
47. 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
48. Which of the following earth moving machines has the shortest cycle time?
49. Which of the following excavators is most suitable for digging under water?
50. The part of a derrick crane include
51. For which of the following materials, the output of power shovels for a fixed shovel size will be maximum
52. For a given size of bucket, the ideal output of a dragline will be least in
53. Consider the following statements for a power shovel:
54. 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.
55. 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
56. Output of a bulldozer is
57. 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
58. 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
59. 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
60. Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?
61. Rolling resistance of a wheel depends upon
62. Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?
63. 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
64. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to
65. 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
66. 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
67. 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 ?
68. 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
69. The probability of completion of any activity within its expected time is
70. 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
71. 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
72. 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
73. 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
74. Consider the following statements:
75. Consider the following statements :
76. In time-cost optimization of a project, crashing is done.
77. During the construction period, price variation clause in contracts caters to
78. At a work site, statistical quality control of concrete means
79. In India, are prefabricated components costlier than those of traditional cast-in-situ items that the prefabricated components replace?
80. Mobilization advance up to 10% of the cost of work is given to a contractor
81. Sinking fund is
82. A contractor has two options;© : 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
83. In resources levelling
84. 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
85. Consider the following features/factors :
86. Consider the following activities in a building construction:
87. Consider the following operations :
88. 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
89. 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
90. Grader is used mainly for
91. Which one of the following is not an excavating and moving type of equipment ?
92. The most suitable type of equipment for compaction of cohesive soils is
93. For excavating utility trenches with precise control of depth, the excavation equipment used is
94. The basic action involved in sheep foot rolling is
95. Batching refers to
96. Consider the following statements:
Wheeled tractors are replacing crawler tractors because
97. 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
98. Sensitivity analysis is a study of
99. 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
100. Preliminary project report for a road project must contain
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