Civil Engineering MCQs

2965 MCQs  (Page 9 of 297)

With increase in moisture content, the bulking of sand_______________?
A. Increases
B. Decreases
C. First increases to a certain maximum value and then decreases
D. First decreases to a certain minimum value and then increases
The slump recommended for mass concrete is about_______________?
A. 25 mm to 50 mm
B. 50 mm to 100 mm
C. 100 mm to 125 mm
D. 125 mm to 150 mm
After storage, the strength of cement________________?
A. Decreases
B. Increases
C. Remains same
D. May increase or decrease
Gypsum consists of______________?
A. H2s and c02
B. Cas04 and h20
C. Lime and h20
D. C02 and calcium
Which of the following cements is suitable for use in massive concrete structures such as large dams ?
A. Ordinary portland cement
B. Low heat cement
C. Rapid hardening cement
D. Sulphate resisting cement