101. Lap length in compression shall not be less than______________?
A. 15 4>
B. 20
C. 24 (j)
D. 30 (j)
✅ The correct answer is option C.
Design of Concrete Structures MCQs
102. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on______________?
A. the front face in one direction
B. the front face in both directions
C. the inner face in one direction
D. the inner face in both directions
✅ The correct answer is option C.
103. Which of the following R.C. retaining walls is suitable for heights beyond 6m ?
A. L-shaped wall
B. T-shaped wall
C. counterfort type
D. all of the above
✅ The correct answer is option C.
104. The minimum cover to the ties or spirals should not be less than________________?
A. 15 mm
B. 20 mm
C. 25 mm
D. 50mm
✅ The correct answer is option C.
105. According to Whitney’s theory, ultimate strain of concrete is assumed to be_____________?
A. 0.03%
B. 0.1%
C. 0.3%
D. 3%
✅ The correct answer is option C.
106. The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by_______________?
A. fcr=0.35Vf7
B. fcr=0.57f7
C. fcr=0.7Vf7
D. fcr=1.2Vf7
✅ The correct answer is option C.
107. Stress strain curve of high tensile steel_______________?
A. has a definite yield point
B. does not show definite yield point but yield point is defined by 0.1% proof stress
C. does not show definite yield point but yield point is defined by 0.2% proof stress
D. does not show definite yield point but yield point is defined by 2% proof stress
✅ The correct answer is option C.
108. A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D. is less than__________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0
✅ The correct answer is option C.
109. If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to__________________?
A. xv
B. xc
C. xv – TC
D. Tv + Tc
✅ The correct answer is option C.
110. Modulus of elasticity of steel as per IS : 456-1978 shall be taken as______________?
A. 20 kN/cm2
B. 200 kN/cm2
C. 200kN/mm2
D. 2xl06N/cm2
✅ The correct answer is option C.