A. 25%
B. 40%
C. 60%
D. 80%
Related Mcqs:
- As compared to ordinary portland cement, high alumina cement has______________?
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% of voids in a concrete mix would reduce its strength by about______________?
A. 5%
B. 10 %
C. 15%
D. 20% - As compared to ordinary portland cement, use of pozzuolanic cement_______________?
A. reduces workability
B. increases bleeding
C. increases shrinkage
D. increases strength - Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is_______________?
A. 28 liters
B. 30 liters
C. 32 liters
D. 34 liters - In case of hand mixing of concrete, the extra cement to be added is__________________?
A. 5%
B. 10%
C. 15%
D. 20% - The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________?
A. 0.15
B. 0.12
C. 0.30
D. 1.00 - If the storey height is equal to length of RCC wall, the percentage increase in strength is_____________?
A. 0
B. 10
C. 20
D. 30 - The limits of percentage p of the longitudinal reinforce-ment in a column is given by_____________?
A. 0.15% to 2%
B. 0.8% to 4%
C. 0.8% to 6%
D. 0.8% to 8% - Maximum percentage reinforcement in case of slabs is limited to___________________?
A. 2
B. 4
C. 6
D. 8 - Which of the following statements is incorrect ?
A. Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%
B. Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm
C. Reinforcing bars in a column should not be less than 12 mm in diameter
D. The number of longitudinal bars provided in a circular column should not be less than four
