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Concrete Technology MCQs | Page - 25

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.

M

Mr. Dubey • 51.32K Points
Coach

Q. 241) The length of Vicat plunger in Vicat's apparatus varies from

(A) 20 to 30 mm
(B) 30 to 40 mm
(C) 40 to 50 mm
(D) 50 to 60 mm
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Mr. Dubey • 51.32K Points
Coach

Q. 242) The cement concrete prepared by mixing aluminium in it, is called

(A) air-entrained concrete
(B) cellular concrete
(C) aerated concrete
(D) any one of the above
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M

Mr. Dubey • 51.32K Points
Coach

Q. 243) Plain cement concrete is strong in taking

(A) tensile stress
(B) compressive stress
(C) shear stress
(D) all of these
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M

Mr. Dubey • 51.32K Points
Coach

Q. 244) As per IS : 459-1978, the concrete mixes are designated into

(A) 4 grades
(B) 5 grades
(C) 6 grades
(D) 7 grades
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Mr. Dubey • 51.32K Points
Coach

Q. 245) The factor which effect the quality of compaction, is

(A) density of concrete
(B) strength of concrete
(C) durability of concrete
(D) all of these
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M

Mr. Dubey • 51.32K Points
Coach

Q. 246) The top diameter, bottom diameter and height of the mould used for slump test are respectively

(A) 100 mm, 200 mm, 300 mm
(B) 200 mm, 100 mm, 300 mm
(C) 200 mm, 300 mm, 100 mm
(D) 100 mm, 300 mm, 200 mm
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M

Mr. Dubey • 51.32K Points
Coach

Q. 247) The aggregate which pass through 75 mm IS sieve and entirely retain on 4.75 mm IS sieve is known as

(A) cyclopean aggregate
(B) coarse aggregate
(C) fine aggregate
(D) all-in-aggregate
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M

Mr. Dubey • 51.32K Points
Coach

Q. 248) The rate of hydration is

(A) directly
(B) inversely
(C) ---
(D) ---
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M

Mr. Dubey • 51.32K Points
Coach

Q. 249) Weight batching is done by

(A) spring dial scale
(B) platform weighing machine
(C) portable weigh batchers
(D) all of these
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M

Mr. Dubey • 51.32K Points
Coach

Q. 250) The first compound which reacts with water when mixed with cement is tricalcium aluminate.

(A) Correct
(B) Incorrect
(C) ---
(D) ---
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