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MCQs

Total Questions : 475 | Page 48 of 48 pages
Question 471. If the output of a drag-line 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
  1.    Any of the above
  2.    More than X
  3.    Equal to X
  4.    Less than X
 Discuss Question
Answer: Option D. -> Less than X
Question 472. Consider the following activities in a building construction:1. Concreting of roof slabs2. Brick-jelly lime concrete terracing3. Erection of form work for slab4. Construction of parapet wall in terraceThe correct sequence of these activities is
  1.    3, 1, 4, 2
  2.    1, 3, 2, 4
  3.    3, 1, 2, 4
  4.    1, 3, 4, 2
 Discuss Question
Answer: Option C. -> 3, 1, 2, 4
Question 473. Wheeled tractors are replacing crawler tractors because1. 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, 2 and 3 are correct
  2.    2, 3 and 4 are correct
  3.    1, 2 and 4 are correct
  4.    1, 3 and 4 are correct
 Discuss Question
Answer: Option A. -> 1, 2 and 3 are correct
Question 474. 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.    2000 cum
  2.    1000 cum
  3.    500 cum
  4.    1500 cum
 Discuss Question
Answer: Option C. -> 500 cum
Question 475. A wheeled tractor hauling unit is working on firm earth. The total loaded weight distribution of this unit is:Drive wheels: 25000 kgScraper wheels: 10000 kgIf the coefficient of traction for wheeled tractor on firm earth is 0.5, the rimpull which this tractor can exert without slipping is
  1.    5000 kg
  2.    12500 kg
  3.    10000 kg
  4.    22500 kg
 Discuss Question
Answer: Option B. -> 12500 kg

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