1000+ Chemical Engineering Fluid Mechanics MCQ Questions & Answers - 1

Question: 1

One dimensional flow implies

(A) a flow which does not account for changes in transverse direction

(B) steady uniform flow

(C) unsteady uniform flow

(D) flow in a straight line

Ans: A

a flow which does not account for changes in transverse direction

Question: 2

The centre of pressure is

(A) at the centroid of the submerged area

(B) a point on the line of action of the resultant force

(C) always above the centroid of the area

(D) always below the centroid of the area

Ans: B

a point on the line of action of the resultant force

Question: 3

In a laminar flow through a round tube, the discharge varies

(A) as the square of the radius

(B) inversely as the viscosity

(C) inversely as the pressure drop

(D) linearly as the viscosity

Ans: B

inversely as the viscosity

Question: 4

Venturimeter and orifice meter measures the _____ of the fluid.

(A) average velocity

(B) point velocity

(C) maximum velocity

(D) pressure

Ans: A

average velocity

Question: 5

Bernoulli’s theorem describes the

(A) mechanical energy balance in boundary layer

(B) mechanical energy balance in turbulent flow

(C) kinetic energy balance in laminar flow

(D) mechanical energy balance in potential flow

Ans: D

mechanical energy balance in potential flow

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