Multiple Choice Questions on Civil Engineering

21-Most of the stones possess the specific gravity in the range of
(A) 3.0 to 4.0
(B) 2.4 to 2.8
(C) 1.5 to 2.0
(D) 1.0 to 1.5
22-Aerated concrete is produced by addition of
(A) zinc silicate
(B) sodium silicate
(C) aluminum powder
(D) copper sulphate
23-Which of the following piles should be used when weak foundation soil is to be compacted?
(A) End bearing Piles
(B) Pedestal Piles
(C) Friction Piles
(D) Sand Piles
24-When a brick is cut into two halves longitudinally, one part is called
(A) beveled bat
(B) half bat
(C) queen closer
(D) king closer
25-Which of the following impurities in the mixing water is destructive for concrete?
(A) algae
(B) alkalis
(C) lead nitrate
(D) calcium chloride
26-Pressuremeter test is performed on the site to measure which property of the soil?
(A) Relative density
(B) Modulus of subgrade reaction
(C) Shear Modulus
(D) Skin Friction
27-The lime which has the property of setting in water is known as
(A) quick lime
(B) hydrated lime
(C) hydraulic lime
(D) fat lime
28-The ratio of compressive strength of fully saturated material to that of same material when dry is called
(A) Coefficient of softening
(B) Coefficient of hardness
(C) Compaction factor
(D) Load factor
29-The soils most susceptible to liquefaction are
(A) Saturated gravels and cobbles
(B) Saturated clays of uniform size
(C) Saturated fine and medium sands of uniform particle size
(D) Saturated dense sands
30-Soils which are formed by the decomposition of rocks are called as
(A) Black Cotton soils
(B) Desert soils
(C) Lateritic soils
(D) Alluvial soils
ANSWERS:
21-(B), 22-(C), 23-(D), 24-(C), 25-(C), 26-(C), 27-(C), 28-(A), 29-(C), 30-(C)