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MCQs

Total Questions : 475 | Page 5 of 48 pages
Question 41. Select the correct statement.
  1.    Activity arrows in a CPM network are drawn to scale
  2.    The tail of an arrow represents the finish of an activity
  3.    Arrow bead represents the start of an activity
  4.    None of the above
 Discuss Question
Answer: Option D. -> None of the above
Question 42. Select the incorrect statement.
  1.    Earliest start of an activity is the early event time of the node it leaves
  2.    Latest finish of an activity is the late event time of the node it enters
  3.    Latest start of an activity is its latest finish minus its duration
  4.    None of the above
 Discuss Question
Answer: Option D. -> None of the above
Question 43. Wheeled tractors are replacing crawler tractors because 1. Wheeled tractors travel faster. 2. Crawler tractors are more expensive. 3. Track parts of a crawler wear out quickly. 4. Crawler tractors have stick control. of following statements
  1.    1, 3 and 4 are correct
  2.    2, 3 and 4 are correct
  3.    1, 2 and 3 are correct
  4.    1, 2 and 4 are correct
 Discuss Question
Answer: Option C. -> 1, 2 and 3 are correct
Question 44. Select the incorrect statement.
  1.    A critical path always begins at the very first event.
  2.    A critical path always terminates at the last event.
  3.    Critical activities control the project duration.
  4.    Critical activity is the one for which free float is zero.
 Discuss Question
Answer: Option D. -> Critical activity is the one for which free float is zero.
Question 45. Select the incorrect statement.
  1.    Start float and finish float are always equal
  2.    Total float can be either start float or finish float
  3.    Start float and finish float need not be equal
  4.    Start float and finish float are the differences between activity times and not event times
 Discuss Question
Answer: Option C. -> Start float and finish float need not be equal
Question 46. 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
  1.    3425 kg
  2.    5515 kg
  3.    4350 kg
  4.    2975 kg
 Discuss Question
Answer: Option B. -> 5515 kg
Question 47. The basic action involved in sheep foot rolling is
  1.    Kneading
  2.    Pressing
  3.    Tamping
  4.    Vibration
 Discuss Question
Answer: Option A. -> Kneading
Question 48. The constraints in case of resource smoothening operation would be
  1.    Resources
  2.    Project duration time
  3.    Both resources and project duration time
  4.    None of the above
 Discuss Question
Answer: Option B. -> Project duration time
Question 49. PERT is
  1.    An analytic in concept
  2.    Limited of event oriented diagrams
  3.    Used for research and development projects
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
Question 50. 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
  1.    2.3% and 84.1%
  2.    97.7% and 84.1%
  3.    97.7 % and 15.9%
  4.    15.9% and 97.7%
 Discuss Question
Answer: Option A. -> 2.3% and 84.1%

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