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MCQs

Total Questions : 475 | Page 46 of 48 pages
Question 451. Assertion (A): Activity 57 is critical.Reason (R): Earliest finish time and latest finish time for events 57 are same
  1.    Both A and R is incorrect
  2.    A is correct but R is not correct
  3.    R is correct but A is not correct
  4.    Both A and R is correct
 Discuss Question
Answer: Option B. -> A is correct but R is not correct
Question 452. 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
  1.    1000 cum
  2.    1500 cum
  3.    2000 cum
  4.    500 cum
 Discuss Question
Answer: Option D. -> 500 cum
Question 453. The time which results in the least possible construction cost of an activity, is known as
  1.    Crash time
  2.    Standard time
  3.    Normal time
  4.    Slow time
 Discuss Question
Answer: Option D. -> Slow time
Question 454. Railway projects are treated as
  1.    None of these
  2.    Heavy construction
  3.    Industrial construction
  4.    Light construction
 Discuss Question
Answer: Option B. -> Heavy construction
Question 455. Construction team means
  1.    An engineer
  2.    An owner
  3.    An architect
  4.    All listed here
 Discuss Question
Answer: Option D. -> All listed here
Question 456. The area under the Beta distribution curve is divided into two equal parts by
  1.    Expected time
  2.    Optimistic time
  3.    Most likely time
  4.    Pessimistic time
 Discuss Question
Answer: Option A. -> Expected time
Question 457. 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
  1.    15 minutes
  2.    21 minutes
  3.    20.143 minutes
  4.    27 minutes
 Discuss Question
Answer: Option B. -> 21 minutes
Question 458. Which one of the following is not an excavating and moving type of equipment?
  1.    Scraper
  2.    Clam shell
  3.    Bulldozer
  4.    Dump truck
 Discuss Question
Answer: Option D. -> Dump truck
Question 459. The grade resistance factor for an earth moving machine can be obtained by multiplying grade percentage by a factor approximately equal to
  1.    9 kg/tonne
  2.    6 kg/tonne
  3.    20 kg/tonne
  4.    2 kg/tonne
 Discuss Question
Answer: Option A. -> 9 kg/tonne
Question 460. A tractor whose weight is 20 tonnes has a drawbar pull of 2500 kg, when operated on a level road having a rolling resistance 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
  1.    Increase by 250 kg
  2.    Reduce by 250 kg
  3.    Reduce by 200 kg
  4.    Increase by 200 kg
 Discuss Question
Answer: Option C. -> Reduce by 200 kg

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