- (A) Mineral acids
- (B) Free CO2
- (C) Iron sulphate
- (D) Aluminium sulphate
- (E) All the above
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- (A) reducing the draw down and the pumping rate
- (B) reducing the flow velocity
- (C) using thicker pipes
- (D) using screens having larger area of openings
- (E) none of these
- (A) 2 m
- (B) 3 m
- (C) 4 m
- (D) 5 m
- (E) 6 m
- (A) Darcy’s formula
- (B) Slichter’s formula
- (C) Hazen’s formula
- (D) Lacy’s formula
- (A) Clay
- (B) Sand
- (C) Silt
- (D) Coarse gravel
- (A) size of the city
- (B) climatic conditions
- (C) pressure in water mains
- (D) cost of water
- (E) all the above
- (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
- (A) One or more than one brick wall
- (B) Brick work in arches
- (C) Reinforced brick work
- (D) Half brick wall
- (A) Metre for length
- (B) Cubic metre for area
- (C) Square metres for volume
- (D) Litre for capacity
- (A) At the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar
- (B) In thin slabs, 12 mm minimum or diameter of the bar whichever is more
- (C) For reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more
- (D) All the above
