MCQs

Civil Engineering MCQs with Explanations

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1951Civil EngineeringMedium

The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is________?

Awl4/3EI

Bwl4/12EI

Cwl3/3EI

Dwl4/8EI

Correct answer

D. wl4/8EI

Explanation

The correct answer is wl4/8EI.

1952Civil EngineeringMedium

If flying height of a spacecraft is H, the length of air base is B and the parallax difference between two points is dp, then the difference in height________?

Ah = (B/H) dp

Bh = dp/(B/H)

Ch = (H/B) dp

Dh = dp/(H/B)

Correct answer

B. h = dp/(B/H)

Explanation

The correct answer is h = dp/(B/H).

1953Civil EngineeringMedium

Pick up the correct statement from the following?

ACement is paid per 50 kg bag

BLime is paid per quintal

CAll the above

DBricks are paid per thousand

Correct answer

C. All the above

Explanation

The correct answer is All the above.

1954Civil EngineeringMedium

The center of pressure of a surface subjected to fluid pressure is the point________?

Asimilar to metacentre

Bon the surface at which gravitational force acis

Cwhere pressure equivalent to hydraulic thrust will act

Dat which all hydraulic forces meet

Eon the surface at which resultant pres-sure acts

Correct answer

E. on the surface at which resultant pres-sure acts

Explanation

The correct answer is on the surface at which resultant pres-sure acts.

1955Civil EngineeringMedium

Coefficient of compressibility is________?

Aconstant for any type of soil

Bindependent of type of soil but depends on the stress history of soil

Cdifferent for different types of soils but same for a soil under different states of consolidation

Ddifferent for different types of soils and also different for a soil under different states of consolidation

Correct answer

D. different for different types of soils and also different for a soil under different states of consolidation

Explanation

The correct answer is different for different types of soils and also different for a soil under different states of consolidation.

1956Civil EngineeringMedium

An ideal flow of any fluid must satisfy ________?

ANewton’s law of viscosity

BBernoulli’s theorem

Ccontinuity equation

Dboundary layer theory

EPascal law

Correct answer

C. continuity equation

Explanation

The correct answer is continuity equation.

1957Civil EngineeringMedium

If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then________?

Athe liquid limit of soil always decreases

Bthe liquid limit of soil may increase

Cthe liquid limit of soil may decrease

Dthe liquid limit of soil always increases

Correct answer

D. the liquid limit of soil always increases

Explanation

The correct answer is the liquid limit of soil always increases.

1958Civil EngineeringMedium

The ratio of volume of voids to the total volume of soil mass is called________?

Aporosity

Bpercentage air voids

Cvoids ratio

Dair content

Correct answer

A. porosity

Explanation

The correct answer is porosity.

1959Civil EngineeringMedium

To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about________?

AC joint

BA joint

CD joint

DB joint

Correct answer

A. C joint

Explanation

The correct answer is C joint.

1960Civil EngineeringMedium

Pick up the incorrect statement from the following?

ALead is the average horizontal straight distance between the borrow pit and the place of spreading soil

BThe unit of lead is 50 m for a distance upto 500 m

CThe lead is calculated for each block of the excavated area

DThe unit of lead is 1 km where the lead exceeds 2 km

Correct answer

D. The unit of lead is 1 km where the lead exceeds 2 km

Explanation

The correct answer is The unit of lead is 1 km where the lead exceeds 2 km.

The center of pressure of a surface subjected to fluid pressure is the point________?

Asimilar to metacentre

Bon the surface at which gravitational force acis

Cwhere pressure equivalent to hydraulic thrust will act

Dat which all hydraulic forces meet

Eon the surface at which resultant pres-sure acts

Correct answer

E. on the surface at which resultant pres-sure acts

Explanation

The correct answer is on the surface at which resultant pres-sure acts.

Coefficient of compressibility is________?

Aconstant for any type of soil

Bindependent of type of soil but depends on the stress history of soil

Cdifferent for different types of soils but same for a soil under different states of consolidation

Ddifferent for different types of soils and also different for a soil under different states of consolidation

Correct answer

D. different for different types of soils and also different for a soil under different states of consolidation

Explanation

The correct answer is different for different types of soils and also different for a soil under different states of consolidation.

Pick up the incorrect statement from the following?

ALead is the average horizontal straight distance between the borrow pit and the place of spreading soil

BThe unit of lead is 50 m for a distance upto 500 m

CThe lead is calculated for each block of the excavated area

DThe unit of lead is 1 km where the lead exceeds 2 km

Correct answer

D. The unit of lead is 1 km where the lead exceeds 2 km

Explanation

The correct answer is The unit of lead is 1 km where the lead exceeds 2 km.