The expected out turn of 12 mm plastering with cement mortar is_______________?
(A) 2.5 sq m
(B) 4.0 sq m
(C) 6.0 sq m
(D) 8.0 sq m
The total length of a cranked bar through a distance D. at 45° in case of a beam of effective length L, is_________________?
(A) L + 0.42 d
(B) L + (2 × 0.42 d)
(C) L – (0.42 d)
(D) L – (2 × 0.4 d)
The concrete work for the following part of the building of specified thickness is measured in square metres_______________?
(A) Root slabs
(B) Floors
(C) Wall panels
(D) All the above
A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved ?
(A) 26,000 m3
(B) 26,500 m3
(C) 27,000 m3
(D) 27,500 m3
The minimum width of a septic tank is taken__________________?
(A) 70 cm
(B) 75 cm
(C) 80 cm
(D) 90 cm
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___________________?
(A) B + d + Sd
(B) Bd + Sd2
(C) B × d – Sd1/2
(D) ½ (Bd + Sd2)
period in a septic tank is assumed___________________?
(A) 20 minutes
(B) 25 minutes
(C) 30 minutes
(D) 40 minutes
Pick up the incorrect statement regarding a master trap from the following ?
(A) It is provided in between the lower end of the house drain and the street sewer
(B) It is provided a cleaning eye at the top of the trap
(C) The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe
(D) The water seal is less than that of ordinary traps
The diameter of a domestic sewer pipe laid at gradient 1 in 100 is recommended___________________?
(A) 100 mm
(B) 150 mm
(C) 200 mm
(D) 175 mm
The correct Prismoidal formula for volume is________________?
(A) D [first area + last area + Even area + 2 odd areas]
(B) D/3 [first area + last area + 4 Even area + 2 odd areas]
(C) D/3 [first area + last area + 2 Even area + 4 odd areas]
(D) D/6 [first area + odd areas]