# Estimating and Costing

Estimating and Costing

A. The bent up bars at a support resist the negative bending moment
B. The bent up bars at a support resist the sharing force
C. The bending of bars near supports is generally at 45°
D. All the above

A. In a gully trap, a water seal of 6 to 7.5 cm is provided
B. The gully trap collects waste water from the kitchen, sink, wash basins, etc.
C. The gully trap disconnects the sullage drain from the main drainage system
D. The grating provided over gully traps is 23 cm square

A. All pipes and fittings are classified according to their diameters
B. The diameter of the pipes is the nominal diameter of internal bore
C. All pipes are measured along the centre line of the pipes in metres
D. All the above

A. d × d × s
B. d2 × ( ds)2]
C. L.D 1 + s2)
D. 2 L.D 1 + s 2)

A. 3250 m3
B. 3225 m3
C. 3275 m3
D. 3300 m3

A. Cleats
B. Brackets
C. Bolts
D. All the above

A. 1.00 m3
B. 1.25 m3
C. 1.50 m3
D. 1.75 m3

A. 60 cm
B. 70 cm
C. 75 cm to 80 cm
D. 80 cm

A. 0.200 m3
B. 0.247 m3
C. 0.274 m3
D. 0.295 m3