A. compressive stress
B. shear stress
C. bond stress
D. tensile stress
✅ The correct answer is option C.
Design of Concrete Structures MCQs
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
✅ The correct answer is option C.
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
✅ The correct answer is option D.
For a reinforced concrete section, the shape of shear stress diagram is_______________?
A. wholly parabolic
B. wholly rectangular
C. parabolic above neutral axis and rectangular below neutral axis
D. rectangular above neutral axis and parabolic below neutral axis
✅ The correct answer is option C.
Workability of concrete is directly proportional to________________?
A. aggregate cement ratio
B. time of transit
C. grading of the aggregate
D. all of above
✅ The correct answer is option C.
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by_______________?
A. 10%
B. 20%
C. 30%
D. 40%
✅ The correct answer is option D.
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is________________?
A. 20 m
B. 30 m
C. 45 m
D. 60 m
✅ The correct answer is option C.
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then_________________?
A. there will be no settlement of columns
B. there will be no differential settlement
C. the settlement of exterior columns will be more than interior columns
D. the settlement of interior columns will be more than exterior columns
✅ The correct answer is option C.
The diameter of ties in a column should be_______________?
A. more than or equal to one fourth of diameter of main bar
B. more than or equal to 5 mm
C. more than 5 mm but less than one-fourth of diameter of main bar
D. more than 5 mm and also more than one-fourth of diameter of main bar
✅ The correct answer is option 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 correct answer is option C.