Civil Engineering - RCC Structures Design

26. 

The number of treads in a flight is equal to

A. risers in the flight
B. risers plus one
C. risers minus one
D. none of these.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

27. 

A short column 20 cm x 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2, the Safe load on the column, should not exceed

A. 4120 kg
B. 41, 200 kg
C. 412, 000 kg
D. none of these.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

28. 

The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt,

A. is safe in shear
B. is unsafe in shear
C. is over safe in shear
D. needs redesigning.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

29. 

In a beam the local bond stress Sb, is equal to

A.
B.
C.
D.
E. None of these.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

30. 

According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is

A. 5 kg/cm2
B. 10 kg/cm2
C. 15 kg/cm2
D. 20 kg/cm2
E. 25 kg/cm2

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.