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Basic Civil Engineering Mcqs

Q:

Which of the below property of aggregates is not desirable?

A) Smooth texture B) Well graded
C) Angular shape D) Smaller size
 
Answer & Explanation Answer: C) Angular shape

Explanation: Aggregates should provide space for cement paste so as to lubricate the area. The parameters like texture, size, shape, grading are to be considered. Larger size, cubical, round and rough textured aggregates are preferred.

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1637
Q:

Contour Maps are not mandatory in civil engineering projects like road works, dams, canals,
etc.

A) True B) False
 
Answer & Explanation Answer: B) False

Explanation: To identify a suitable site for these projects, to study the nature of ground and slopes and to make an estimate for earth work, a contour map of that region is required.

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685
Q:

Impermeability is a property of fresh concrete.

A) True B) False
 
Answer & Explanation Answer: B) False

Explanation: Fresh concrete cannot be judged as impermeable. After it hardens and forms a structure, it may be impervious or pervious. Ideally, it should be impermeable.

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302
Q:

_________ errors are small unavoidable fluctuation.

A) Random B) Gross
C) Systematic D) Mistake
 
Answer & Explanation Answer: A) Random

Explanation: Those errors which are made while performing survey are called gross errors. These can accumulate and finally lead to re-doing the whole procedure. Systematic error follows a consistent pattern.

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258
Q:

The computer communicates with the user via:

A) CPU B) CRT
C) Graphics D) Display button
 
Answer & Explanation Answer: B) CRT

Explanation: Cathode Ray Tube (CRT) screen gives the user the design created as an image. It is done by entering commands to get specific functions performed.

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248
Q:

In how many layers is oil paint applied to a surface?

A) 3 B) 4
C) 2 D) 1
 
Answer & Explanation Answer: A) 3

Explanation: Three layers of varying compositions are applied. They are primers, undercoats and finishing coats.

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227
Q:

Mullion is _________ member employed to sub divide a window or door opening vertically.

A) Horizontal B) Inclined (at 45?)
C) Vertical D) Inclined (at 60?)
 
Answer & Explanation Answer: C) Vertical

Explanation: Mullion is often provided to give aesthetic appearance. It is also provided to extend extra support to structure which has large opening.

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214
Q:

What is the most dominant constituent of cement?

A) Silica B) Lime
C) Magnesia D) Alumina
 
Answer & Explanation Answer: B) Lime

Explanation: Cement contains about 60-65% of lime. Silica constitutes 17-25%, alumina 3-8% and magnesia 1-3%.

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