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

2.0 %

2.5 %

4.0 %

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

0.90 m^{3}

0.94 m^{3}

0.98 m^{3}

1.00 m^{3}

Correct answer: (B) 0.94 m^{3}

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

0.200 m^{3}

0.247 m^{3}

0.274 m^{3}

0.295 m^{3}

Correct answer: (C) 0.274 m^{3}

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

Earthwork, Concrete work, Brick work

Brickwork, Stone work, Roofing

Brickwork Flooring, Wood work, Steel work

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

B + d + Sd

Bd + Sd^{2}

B × d - Sd^{1/2}

½(Bd + Sd^{2})

Correct answer: (B) Bd + Sd^{2}

16. If tensile stress of a steel rod of diameter is 1400 kg/cm^{2} and bond stress is 6 kg/cm^{2}, the required bond length of the rod is

30 D

39 D

50 D

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

Mid-section formula

Trapezoidal formula

Prismoidal formula

All the above

Correct answer: (D) All the above

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

Setting and laying

Bed concreting

Connection to drains

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

Breadth of the wall

Half breadth of wall on each side

One fourth breadth of wall on each side

None of these

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

20. In the mid-section formula

The mean depth is the average of depths of two consecutive sections

The area of mid-sections is calculated by using mean depth

The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections