Learn Concrete Technology MCQ Questions with answers and solutions.

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Q. According to IS: 4561978, the maximum reinforcement in a column is

(A) 2 %
(B) 4 %
(C) 6 %
(D) 8 %

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Q. According to the recommendations of IS : 456-1978, the expansion joints

(A) are provided where plane changes abruptly
(B) are provided to ensure minimum resistance
(C) do not carry reinforcement across them
(D) all the above

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Q. The impurity of mixing water which affects the setting time and strength of concrete, is

(A) sodium sulphates
(B) sodium chlorides
(C) sodium carbonates and bicarbonates
(D) calcium bicarbonates

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Q. If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

(A) 3.0 m and 1.5 m
(B) 1.5 m and 3.0 m
(C) 3.0 m and 3.0 m
(D) 1.5 m and 1.5 m

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Q. While designing the pile as a column, the end conditions are nearly

(A) both ends hinged
(B) both ends fixed
(C) one end fixed and other end hinged
(D) one end fixed and other end free

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Q. The internal dimensions of a ware house are 15 m × 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are

(A) 1500 bags
(B) 2000 bags
(C) 2500 bags
(D) 3000 bags

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Q. Pick up the incorrect statement from the following. While performing preliminary test on concrete

(A) proportions of the material and water should be the same as to be used at the work site
(B) cement should be mixed by hand in order to maintain uniformity
(C) concrete mix should be stored in air-tight containers
(D) concrete ingredients should be kept at a temperature of 37° ± 2°c

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Q. In a spherical dome the hoop stress due to a concentrated load at crown is

(A) compressive everywhere
(B) tensile everywhere
(C) partly compressive and partly tensile
(D) zero

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Q. I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

(A) coarse aggregates
(B) fine aggregates
(C) neither (a) nor (b)
(D) both (a) and (b)

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Q. The property of the ingredients to separate from each other while placing the concrete is called

(A) segregation
(B) compaction
(C) shrinkage
(D) bulking

Concrete Technology MCQs with answers Page - 77

Q. According to IS: 4561978, the maximum reinforcement in a column is

Q. According to the recommendations of IS : 456-1978, the expansion joints

Q. The impurity of mixing water which affects the setting time and strength of concrete, is

Q. If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are

Q. While designing the pile as a column, the end conditions are nearly

Q. The internal dimensions of a ware house are 15 m × 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are

Q. Pick up the incorrect statement from the following. While performing preliminary test on concrete

Q. In a spherical dome the hoop stress due to a concentrated load at crown is

Q. I.S. Sieve Nos. 10 mm and 4.75 mm are generally used for grading of

Q. The property of the ingredients to separate from each other while placing the concrete is called

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