Estimating and Costing

A. Setting out of works
B. Site clearance
C. Steps in deep excavation
D. All the above

A. Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item
B. The centre line is worked out separately for different sections of walls of a building
C. The centre line length is reduced by half the layer of main wall joining the partition wall
D. All the above

A. Earth work in excavation
B. Rock cutting
C. Excavation in trenches for foundation
D. All the above

A. 10 cm
B. 15 cm
C. 20 cm
D. None of these

A. Mid-section formula
B. Trapezoidal formula
C. Prismoidal formula
D. All the above

A. 500 m3
B. 1000 m 3
C. 1500 m3
D. 2000 m3

A. The mean depth is the average of depths of two consecutive sections
B. The area of mid-sections is calculated by using mean depth
C. The volume of the earth work is calculated by multiplying the mid-section area by the distance between the two original sections
D. All of the above

A. Right angle to the centre line
B. 30 metres apart
C. Intermediate points having abrupt change in gradient
D. All the above

A. 23 cm × 11.5 cm × 7.5 cm
B. 25 cm × 13 cm × 7.5 cm
C. 19 cm × 9 cm × 9 cmD. 20 cm × 10 cm × 10 cm

A. The end sections are parallel planes
B. The mid-area of a pyramid is half the average area of the ends
C. The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
D. All the above