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Civil Engineering MCQs with Explanations

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331Civil EngineeringMedium

The pitot tube is used to measure________?

Astagnation pressure

Bstatic pressure

Cvelocity at stagnation point

Ddynamic pressure

Correct answer

A. stagnation pressure

Explanation

The correct answer is stagnation pressure.

332Civil EngineeringMedium

The timber floor not spanning on the masonry wall but properly anchored to the wall gives________?

Arotational restraint but not lateral restraint

Bboth lateral and rotational restraints

Clateral restraint but not rotational restraint

Dneither lateral nor rotational restraint

Correct answer

C. lateral restraint but not rotational restraint

Explanation

The correct answer is lateral restraint but not rotational restraint.

333Civil EngineeringMedium

The detention time (t) of a settling tank, may be defined as the time required for________?

AA particle to travel from top surface to bottom sludge zone

BNone of these

CA particle to travel along its length

DThe flow of sewage to fill the tank

Correct answer

D. The flow of sewage to fill the tank

Explanation

The correct answer is The flow of sewage to fill the tank.

334Civil EngineeringMedium

If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as________?

A160 mm

B200 mm

C300 mm

D120 mm

Correct answer

A. 160 mm

Explanation

The correct answer is 160 mm.

335Civil EngineeringMedium

The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be________?

A105 mm

B90 mm

C80mm

D70mm

Correct answer

D. 70mm

Explanation

The correct answer is 70mm.

336Civil EngineeringMedium

Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

Awhen the dock is empty with the ship of maximum tonnage

Bwhen the dock is empty

Cwhen the dock is full of water

Dwhen the dock is dry and is under construction

Correct answer

C. when the dock is full of water

Explanation

The correct answer is when the dock is full of water.

337Civil EngineeringMedium

The use of coarse screens for the disposal of sewage, may be dispensed with by________?

AComminutor

BNeither A. nor B.

CBoth A. and B.

DShredder

Correct answer

C. Both A. and B.

Explanation

The correct answer is Both A. and B..

338Civil EngineeringMedium

The main function of alumina in brick earth is________?

Ato make the brick durable

Bto make the brick impermeable

Cto impart plasticity

Dto prevent shrinkage

Correct answer

C. to impart plasticity

Explanation

The correct answer is to impart plasticity.

339Civil EngineeringMedium

Which of the following does not represent an activity?

Athe office area is being cleaned

Bthe invitations are being sent

Csite located

Dfoundation is being dug

Correct answer

C. site located

Explanation

The correct answer is site located.

340Civil EngineeringMedium

A machine costs Rs. 20000 and its useful life is 8 years. The money is borrowed at 8% interest per annum. The capital recovery factor at 8% interest per annum for 8 years is 0.174. The annual equipment cost of the machine will be________?

ARs.6960

BRs.1740

CRs.3480

DRs.5220

Correct answer

C. Rs.3480

Explanation

The correct answer is Rs.3480.

The timber floor not spanning on the masonry wall but properly anchored to the wall gives________?

Arotational restraint but not lateral restraint

Bboth lateral and rotational restraints

Clateral restraint but not rotational restraint

Dneither lateral nor rotational restraint

Correct answer

C. lateral restraint but not rotational restraint

Explanation

The correct answer is lateral restraint but not rotational restraint.