Estimating and Costing

11. Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds

  1. 2.0 %
  2. 2.5 %
  3. 4.0 %
  4. 5.0 %

Correct answer: (D)
5.0 %

12. For 100 sq. m cement concrete (1 : 2: 4) 4 cm thick floor, the quantity of cement required, is

  1. 0.90 m3
  2. 0.94 m3
  3. 0.98 m3
  4. 1.00 m3

Correct answer: (B)
0.94 m3

13. For 12 mm thick cement plastering 1 : 6 on 100 sq.m new brick work, the quantity of cement required, is

  1. 0.200 m3
  2. 0.247 m3
  3. 0.274 m3
  4. 0.295 m3

Correct answer: (C)
0.274 m3

14. For the construction of buildings, the subheads of the estimate are

  1. Earthwork, Concrete work, Brick work
  2. Brickwork, Stone work, Roofing
  3. Brickwork Flooring, Wood work, Steel work
  4. All the above

Correct answer: (D)
All the above

15. If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is

  1. B + d + Sd
  2. Bd + Sd2
  3. B × d - Sd1/2
  4. ½(Bd + Sd2)

Correct answer: (B)
Bd + Sd2

16. If tensile stress of a steel rod of diameter is 1400 kg/cm2 and bond stress is 6 kg/cm2, the required bond length of the rod is

  1. 30 D
  2. 39 D
  3. 50 D
  4. 59 D

Correct answer: (D)
59 D

17. If the formation level of a highway has a uniform gradient for a particular length, and the ground is also having a longitudinal slope, the earthwork may be calculated by

  1. Mid-section formula
  2. Trapezoidal formula
  3. Prismoidal formula
  4. All the above

Correct answer: (D)
All the above

18. In case of laying gullies, siphons, intercepting traps, the cost includes

  1. Setting and laying
  2. Bed concreting
  3. Connection to drains
  4. All of these

Correct answer: (D)
All of these

19. In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and

  1. Breadth of the wall
  2. Half breadth of wall on each side
  3. One fourth breadth of wall on each side
  4. None of these

Correct answer: (B)
Half breadth of wall on each side

20. In the mid-section formula

  1. The mean depth is the average of depths of two consecutive sections
  2. The area of mid-sections is calculated by using mean depth
  3. The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
  4. All of the above

Correct answer: (D)
All of the above

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