MCQs

Civil Engineering MCQs with Explanations

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2341Civil EngineeringMedium

A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively________?

A0.05 N/mm2 and 45°

B0.05 N/mm2 and 0°

C0.2 N/mm2 and 0°

D0.5 N/mm2 and 30°

Correct answer

B. 0.05 N/mm2 and 0°

Explanation

The correct answer is 0.05 N/mm2 and 0°.

2342Civil EngineeringMedium

The ratio of design discharge to the surface area of a sedimentation tank is called________?

ASurface loading

BAll of these

COverflow rate

DOverflow velocity

Correct answer

B. All of these

Explanation

The correct answer is All of these.

2343Civil EngineeringMedium

Horizontal acceleration due to earthquake results in________?

Aboth (A) and (B)

Bhydrodynamic pressure

Cinertia force into the body of the dam

Dnone of the above

Correct answer

A. both (A) and (B)

Explanation

The correct answer is both (A) and (B).

2344Civil EngineeringMedium

Select the incorrect statement?

APretensioning system has greater certainty about its durability.

BFor heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system

Cnone of the above

DThe loss of prestress is more in pre-tensioning system than in post-tensioning system.

Correct answer

C. none of the above

Explanation

The correct answer is none of the above.

2345Civil EngineeringMedium

If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads________?

Ay = L/2 + (l –

By = L – (l – ) )

Correct answer

A. y = L/2 + (l –

Explanation

The correct answer is y = L/2 + (l –.

2346Civil EngineeringMedium

Normally prestressing wires are arranged in the________?

Alower part of the beam

Bupper part of the beam

Ccenter

Danywhere

Correct answer

A. lower part of the beam

Explanation

The correct answer is lower part of the beam.

2347Civil EngineeringMedium

Paints with white lead base are suitable for painting of________?

Airon work

Bwood work

Cboth wood work and iron work

Dnone of the above

Correct answer

B. wood work

Explanation

The correct answer is wood work.

2348Civil EngineeringMedium

The stone suitable for rubble masonry should be________?

Atough

Bhard

Cheavy

Dlight

Correct answer

B. hard

Explanation

The correct answer is hard.

2349Civil EngineeringMedium

The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as________?

Aindependent float

Binterfering float

Ctotal float

Dfree float

Correct answer

A. independent float

Explanation

The correct answer is independent float.

2350Civil EngineeringMedium

Mr. Jun Ramos was granted a loan of P20,000 by his employer Excel First Review and Training Center, Inc. with an interest of 6% for 180 days on the principal collected in advance. The corporation would accept a promissory note for P20,000 non-interest for 180 days. If discounted at once, find the proceeds of the note?

AP19,100

BP18,000

CP19,000

DP18,900

Correct answer

B. P18,000

Explanation

The correct answer is P18,000.

Select the incorrect statement?

APretensioning system has greater certainty about its durability.

BFor heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system

Cnone of the above

DThe loss of prestress is more in pre-tensioning system than in post-tensioning system.

Correct answer

C. none of the above

Explanation

The correct answer is none of the above.