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Concrete Technology MCQs | Page - 26

Dear candidates you will find MCQ questions of Concrete Technology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.32K Points
Coach

Q. 251) An aggregate which may contain some moisture in the pores but having dry surface is known as

(A) very dry aggregate
(B) dry aggregate
(C) saturated surface dry aggregate
(D) moist aggregate
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Mr. Dubey • 51.32K Points
Coach

Q. 252) Proper curing of cement concrete, is good for its

(A) volume stability
(B) strength
(C) wear resistance
(D) all of these
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Mr. Dubey • 51.32K Points
Coach

Q. 253) Hydration of cement is due to the chemical action of water with

(A) dicalcium silicate
(B) tricalcium silicate
(C) tricalcium aluminate
(D) all of these
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Mr. Dubey • 51.32K Points
Coach

Q. 254) The cement concrete in which high compressive stresses are artificially induced before its actual use, is called

(A) plain cement concrete
(B) reinforced cement concrete
(C) prestressed cement concrete
(D) lime concrete
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Mr. Dubey • 51.32K Points
Coach

Q. 255) The fineness modulus of an aggregate is roughly proportional to

(A) specific gravity of the aggregate
(B) shape of the aggregate
(C) average size of particles in the aggregate
(D) grading of the aggregate
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Mr. Dubey • 51.32K Points
Coach

Q. 256) The water used for ordinary concrete is equal to 5% by weight of aggregate plus

(A) 10%
(B) 20%
(C) 30%
(D) 40%
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Mr. Dubey • 51.32K Points
Coach

Q. 257) The sound absorption coefficient of light weight concrete is nearly

(A) twice
(B) three times
(C) four times
(D) six times
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Mr. Dubey • 51.32K Points
Coach

Q. 258) The construction joints in cement concrete

(A) should be located where bending moment is large
(B) should be located where shear force is large
(C) should not be provided at the corners
(D) should be spaced at a distance of 3 m apart in case of huge structures
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Mr. Dubey • 51.32K Points
Coach

Q. 259) During field test, the cement is said to be pure and of good quality when

(A) the colour of cement is uniformly greenish grey
(B) a handful of cement, thrown into a bucket of water, floats
(C) hand is thrusted into a bag of cement, it feels cool
(D) all of the above
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Mr. Dubey • 51.32K Points
Coach

Q. 260) A good concrete should have minimum thermal expansion.

(A) Yes
(B) No
(C) ---
(D) ---
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