A. to decrease it
B. to increase it
C. either to decrease or to increase it
D. to keep it unchanged
Related Mcqs:
- A higher modular ratio shows____________?
A. higher compressive strength of con-crete
B. lower compressive strength of concrete
C. higher tensile strength of steel
D. lower tensile strength of steel - The recommended value of modular ratio for reinforced brick work is______________?
A. 18
B. 30
C. 40
D. 58 - In case of hand mixing of concrete, the extra cement to be added is__________________?
A. 5%
B. 10%
C. 15%
D. 20% - For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is__________________?
A. 50 mm
B. 75 mm
C. 100 mm
D. 120 mm - According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is__________________?
A. 0.43 d
B. 0.55 d
C. 0.68 d
D. 0.85 d - To minimise the effect of differential settlement, the area of a footing should be designed for______________?
A. dead load only
B. dead load + live load
C. dead load + fraction of live load
D. live load + fraction of dead load - The effect of adding calcium chloride in concrete is________________?
1. to increase shrinkage
2. to decrease shrinkage
3. to increase setting time
4. to decrease setting time
The correct answer is?
A. (1) and (3)
B. (1)and(4)
C. (2)and (3)
D. (2)and (4) - The approximate value of the ratio between direct tensile strength and flexural strength is_____________?
A. 0.33
B. 0.5
C. 0.75
D. 1.0 - Poisson’s ratio for concrete_______________?
A. remains constant
B. increases with richer mixes
C. decreases with richer mixes
D. none of the above - According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?
A. less than 12
B. less than 18
C. between 18 and 24
D. more than 24
