MCQ Questions Civil Engineering Concrete Technology and Design of Concrete Structures
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MCQ Questions Civil Engineering Concrete Technology and Design of Concrete Structures - Set - 3
Question 1:
The factor of safety for
a) steel and concrete are same
b) steel is lower than that for concrete
c) steel is higher than that for concrete
d) none of the above
Correct Answer – (B)
Question 2 :
1% of voids in a concrete mix would reduce its strength by about
a) 5%
b) 10 %
c) 15%
d) 20%
Correct Answer – (A)
Question 3 :
Finer grinding of cement
a) affects only the early development of strength
b) affects only the ultimate strength
c) both (a) and (b)
d) does not affect the strength
Correct Answer – (A)
Question 4 :
The effect of adding calcium chloride in concrete is
i) to increase shrinkage
ii) to decrease shrinkage
iii) to increase setting time
iv) to decrease setting time
The correct answer is
a) (i) and (iii)
b) (i)and(iv)
c) (ii) and (iii)
d) (ii) and (iv)
Correct Answer – (B)
Question 5 :
Modulus of rupture of concrete is a measure of
a) flexural tensile strength
b) direct tensile strength
c) compressive strength
d) split tensile strength
Correct Answer – (A)
MCQ Questions Civil Engineering Concrete Technology and Design of Concrete Structures
Question 6:
The fineness modulus of fine aggregate is in the range of
a) 2.0 to 3.5
b) 3.5 to 5.0
c) 5.0 to 7.0
d) 6.0 to 8.5
Correct Answer – (A)
Question 7:
Poisson’s ratio for concrete
a) remains constant
b) increases with richer mixes
c) decreases with richer mixes
d) none of the above
Correct Answer – (B)
Question 8:
Bulking of sand is maximum if moisture content is about
a) 2 %
b) 4%
c) 6%
d) 10%
Correct Answer – (B)
Question 9:
In order to obtain the best workability of concrete, the preferred shape of aggregate is
a) rounded
b) elongated
c) angular
d) all of the above
Correct Answer – (A)
Question 10:
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
Correct Answer – (A)
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