Category: Design of Concrete Structures

A. steel and concrete are same
B. steel is lower than that for concrete
C. steel is higher than that for concrete
D. none of the above

A. is maximum at neutral axis
B. decreases below the neutral axis and increases above the neutral axis
C. increases below the neutral axis and decreases above the neutral axis
D. remains same

A. the least lateral dimension
B. 2 times the least lateral dimension
C. 3 times the least lateral dimension
D. 4 times the least lateral dimension

A. to decrease it
B. to increase it
C. either to decrease or to increase it
D. to keep it unchanged

A. 600 mm
B. 750 mm
C. 900 mm
D. more than 1 m

A. reduces the strength
B. increases the strength
C. does not change the strength
D. all of the above

A. 0.75-0.80
B. 0.80-0.85
C. 0.85 – 0.92
D. above 0.92

A. about 0.1 N/mm2
B. zero
C. 0.3 N/mm2 to 0.7 N/mm2
D. about 1.0 N/mm2

A. higher initial setting time but lower final setting time
B. lower initial setting time but higher final setting time
C. higher initial and final setting times
D. lower initial and final setting times

1. bottom face in front counterfort
2. inclined face in front counterfort
3. bottom face in back counterfort
4. inclined face in back counterEort
The correct answer is

A. (1) and (ii),
B. (2) and (3)
C. (1) and (4)
D. (3) and (4)