Concrete Technology And Design Of Concrete Structures MCQ Questions & Answers

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Each section contains 100 MCQs on Concrete Technology and Design of Concrete Structures .

The limits of percentage p of the longitudinal reinforce-ment in a column is given by

A) 0.15% to 2% B) 0.8% to 4% C) 0.8% to 6% D) 0.8% to 8%

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Air entrainment in the concrete increases

A) Workability B) Strength C) The effects of temperature variations D) The unit weight

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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

A) Segregation B) Compaction C) Shrinkage D) Bulking

Discuss

Answer & Solution

Answer: Option A

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Most common method of prestressing used for factory production is

A) Long line method B) Freyssinet system C) Magnel-Blaton system D) Lee-Macall system

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

As compared to ordinary portland cement, use of pozzuolanic cement

A) Reduces workability B) Increases bleeding C) Increases shrinkage D) Increases strength

Discuss

Answer & Solution

Answer: Option C

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Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning?

A) Elastic shortening of concrete B) Shrinkage of concrete C) Creep of concrete D) Loss due to friction

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Answer & Solution

Answer: Option A

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If nominal shear stress $${\tau _{\text{v}}}$$ exceeds the design shear strength of concrete $${\tau _{\text{c}}}$$, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to

A) $${\tau _{\text{v}}}$$ B) $${\tau _{\text{c}}}$$ C) $${\tau _{\text{v}}} - {\tau _{\text{c}}}$$ D) $${\tau _{\text{v}}} + {\tau _{\text{c}}}$$

Discuss

Answer & Solution

Answer: Option C

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Due to circumferential action of the spiral in a spirally reinforced column

A) Capacity of column is decreased B) Ductility of column reduces C) Capacity of column is decreased but ductility of column increases D) Both the capacity of column and ductility of column increase

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Answer & Solution

Answer: Option D

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The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is

A) Not needed B) Provided equally on inner and front faces C) Provided more on inner face than on front face D) Provided more on front face than on inner face

Discuss

Answer & Solution

Answer: Option D

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100

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

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Concrete Technology And Design Of Concrete Structures MCQ Questions & Answers | Civil Engineering