1000+ Fluid Mechanics Quiz Questions and Answers Pdf - 1

Question: 1

The standard step method of gradually varied flow computations involves the application of

(A) differential equation of gradually varied flow

(B) continuity and momentum equations

(C) continuity equation and equation of motion

(D) continuity and energy equations

Ans: D

continuity and energy equations

Question: 2

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

(A) metacentre

(B) centre of pressure

(C) centre of buoyancy

(D) centre of gravity

Ans: B

centre of pressure

Question: 3

In a standing wave flume, the depth of flow in the throat region

(A) is affected by the downstream depth, when a jump si formed

(B) should be equal to the critical depth

(C) can be less than the critical depth

(D) should always be larger than the critical path

Ans: B

should be equal to the critical depth

Question: 4

The causes of cavitation are

(A) low suction lift and low pump speed

(B) high suction lift and high pump speed

(C) low suction lift and high pump speed

(D) high suction lift and low pump speed

Ans: B

high suction lift and high pump speed

Question: 5

The most common device for measuring discharge through channel is

(A) pitot tube

(B) current meter

(C) venturi flume

(D) all the above

Ans: C

venturi flume

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