Civil Engineering MCQs

2965 MCQs  (Page 7 of 297)

Pug mill is used for_______________?
A. Preparation of clay
B. Moulding of clay
C. Drying of bricks
D. Burning of bricks
Advantage of a clamp compared to a kiln for burning bricks is that_______________?
A. It takes less time for burning
B. It gives more output of first class bricks
C. It has less initial cost
D. It is suitable when bricks are required in large numbers
Quick lime is_______________?
A. Calcium carbonate
B. Calcium oxide
C. Calcium hydroxide
D. None of the above
Hydraulic lime is obtained by_______________?
A. Burning of lime stone
B. Burning of kankar
C. Adding water to quick lime
D. Calcination of pure clay
The main ingredients of Portland cement are________________?
A. Lime and silica
B. Lime and alumina
C. Silica and alumina
D. Lime and iron