Civil Engineering Mcqs MCQs

201. The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as___________________?

A. one dimensional flow

B. uniform flow

C. steady flow

D. turbulent flow

✅ The correct answer is option B.

202. Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the______________?

A. force of adhesion

B. force of cohesion

C. force of friction

D. force of diffusion

✅ The correct answer is option B.

203. The bulk modulus of elasticity __________________?

A. has the dimensions of 1/pressure

B. increases with pressure

C. is large when fluid is more compressible

D. is independent of pressure and viscosity

✅ The correct answer is option B.

204. The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is__________________?

A. Vs = 418 (Gs – Gw) d [(3T + 70)/100]

B. Vs = 418 (Gs – Gw)d² [(3T + 70)/100]

C. Vs = 218 (Gs – Gw)d² [(3T + 70)/100]

D. Vs = 218 (Gs – Gw)d [(3T + 70)/100]

✅ The correct answer is option B.

205. Principle of similitude forms the basis of__________________?

A. comparing two identical equipments

B. designing models so that the result can be converted to prototypes

C. comparing similarity between design and actual equipment

D. hydraulic designs

✅ The correct answer is option B.

206. The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in__________________?

A. Chezy’s formula

B. Bazin’s formula

C. Kutter’s formula

D. Manning’s formula

✅ The correct answer is option B.

207. Flow occurring in a pipeline when a valve is being opened is ______________________?

A. steady

B. unsteady

C. laminar

D. vortex

✅ The correct answer is option B.

208. The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is______________________?

A. 213.5 cm/sec

B. 313.5 cm/sec

C. 413.5 cm/sec

D. 500 cm/sec

✅ The correct answer is option B.

209. What do you call a one-time credit against taxes ?

A. Due credit

B. Tax credit

C. Credible credit

D. Revenue credit

✅ The correct answer is option B.

210. The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be ___________________?

A. 2 meters of water column

B. 3 meters of water column

C. 3.5 meters of water column

D. 4 m of water column

✅ The correct answer is option B.