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ce13

Civil Engineering || MCQ – 13 || 20 MCQs

Posted on July 11, 2021July 4, 2021 By Civil Vedant

Q.1) Quick set cement is obtained by :

A) Reducing gypsum content

B) Reducing C3S content

C) Increasing C2S content

D) Reducing C2S content

Answer

Option (A)

Q.2) A self-cleansing velocity may be defined as that velocity at which the solid particles will –

A) Cause damage to the sewer

B) Remain in suspension, without settling at the bottom of the sewer

C) Wash out from the sewer

D) Settle at the bottom of the sewer

Answer

Option (B)

Q.3) What will happen to permeability of soil mass if air is entrapped in its voids?

A) Decreases

B) Depends on the viscosity of the fluid

C) Increases

D) No effect

Answer

Option (A)

Q.4) A good structural stone should possess a crushing strength of more than –

A) 50 N/mm2

B) 75 N/mm2

C) 25 N/mm2

D) 100 N/mm2

Answer

Option (D)

Q.5) The hydraulic machines which convert hydraulic energy into mechanical energy called as :

A) Pump

B) Dynamo

C) Rotometer

D) Turbine

Answer

Option (D)

Q.6) Which of the following is the mechanical pressure gauge?

A) U-tube Manometer

B) Bourdon tube pressure gauge

C) Piezometer

D) Manometer

Answer

Option (B)

Q.7) IS:2720-Part 7, recommends the use of 4.9 kg rammer for heavy compaction with a drop height of –

A) 310 mm

B) 400 mm

C) 510 mm

D) 450 mm

Answer

Option (D)

Q.8) Identify the type of rocks formed due to the cooling of magma at a considerable depth from earth’s surface?

A) Sedimentary rocks

B) Volcanic rocks

C) Plutonic rocks

D) Metamorphic rocks

Answer

Option (C)

Q.9) Crushing strength of coarse aggregates for making concrete for buildings should not be more than –

A) 60

B) 15

C) 30

D) 45

Answer

Option (D)

Q.10) In permanent adjustment of dumpy level, the principle of reversal states that “if any error exists in certain parts of an instrument, it is……….on reversing i.e. revolving through 1800  the position of that part.”

A) Becomes 4 times

B) Reduced by half

C) Doubled

D) Remains same

Answer

Option (C)

Q.11) In Standard Penetration Test the term “penetration resistance N” means :

A) The number of blows required to drive the sampler 15 cm beyond the seating drive

B) The number of blows required to drive the sampler 60 cm beyond the seating drive

C) The number of blows required to drive the sampler 30 cm beyond the seating drive

D) The number of blows required to drive the sampler 45 cm beyond the seating drive

Answer

Option (C)

Q.12) What is the value of effective stress if the neutral pressure is ‘X’ and total stress is ‘Y’?

A) Y – X

B) X/Y

C) X + Y

D) X * Y

Answer

Option (A)

Q.13) Darcy’s law is valid for :

A) Boulders

B) Fine sands

C) Gravels

D) Coarse sands

Answer

Option (B)

Q.14) The length of specimen in a triaxial test is kept about………..times its diameter.

A) 0.5

B) 2.5

C) 5

D) 7

Answer

Option (B)

Q.15) The type of bearing capacity failure at shallow depth, in very dense sand is called :

A) Punching failure

B) Combined local and General shear failure

C) General shear failure

D) Local shear failure

Answer

Option (C)

Q.16) Water borne disease ‘Typhoid fever’ is caused by –

A) Typhi shiga bacillus

B) Entamoeba hystalytica

C) Amoeba

D) Salmonella typhi

Answer

Option (D)

Q.17) The point about which a body starts oscillating when the body is tilted by a small angle –

A) Meta centre

B) Centre of buoyancy

C) Vein

D) Sill

Answer

Option (A)

Q.18) Purpose of providing inverted siphons is to :

A) Allow excess wastewater to escape to a watercourse

B) Join a hole in the sewer and the ground, for the purpose of lowering a lamp inside the sewer

C) Carry the sewer under the obstruction, such as roadway, railway, river etc.

D) Excludes grease and oil from sewage

Answer

Option (C)

Q.19) Identify which is NOT a part of a prismatic compass?

A) Prism

B) Pivot

C) Plummet

D) Lifting pin

Answer

Option (C)

Q.20) Timber quality does not depend on the :

A) Time of felling

B) Type of tree

C) Size of tree

D) Maturity

Answer

Option (C)

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