MCQs Civil Engineering
1. The characteristics strength of concrete is defind as that strength below which not more than …………. of the test results are expected to fall :
(a) 10%
(b) 5%
(c) 15%
(d) 20%
Ans (b)
2. Ductility of which of the following is the maximum ?
(a) Mild steel
(b) Cost iron
(c) Wrought iron
(d) Pig iron
Ans (c)
3. The partial safety factor for concrete is :
(a) 1-15
(b) 1-5
(c) 1-95
(d) 2-0
Ans (b)
4. The bond strength between steel and concrete is due tob
(a) Friction
(b) Adhesion
(c) Both of the above
(d) None of the abouve
Ans (C)
5. When HYSD bars are used in plate of mild steel bars, the bond strength
(a) Increases
(b) Decreases
(c) Does not change
(d) Become zero
Ans (a)
6. The term ‘Characteristic load’ means that load which has a probability of not being exceeded, during the life of the structure is equal to :
(a) 90 %
(b) 95 %
(c) 99 %
(d) 100 %
Ans (b)
7.For reinforced concrete members totally immersed in sea water, the additional cover thickness recommended by the code is :(a) 25 mm
(b) 30 mm
(c) 35 mm
(d) 40 mm
Ans (d)
8. Fe415 in RCC construction implies
(a) Iron of grade 415
(b) High Yield Strengh Deformed steels bars used in RCC
(c) Mild structural steel
(d) None of the above
Ans (b)
9. Load factor is defined as the ratio of :
(a) Average load to maximum load
(b) Average load to the reserve capacity
(c) Reserve capacity to the installed capacity
(d) Average load to the peak load
Ans (a)
10. Plain cement concrete is strong in taking :
(a) Tensile stresses
(b) Compressive stresses
(c) Shear stresses
(d) Bending stresses
Ans (b)
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