Hydraulics And Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Hydraulics and Fluid Mechanics .

Coefficient of velocity for Borda’s mouth piece running full is

A) 0.611 B) 0.707 C) 0.855 D) 1.00

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following is used to measure the discharge ?

A) current meter B) venturimeter C) pitot tube D) hotwire anemometer

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Rotameter is a device used to measure

A) absolute pressure B) velocity of fluid C) flow D) rotation

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Choose the wrong statement

A) The center of buoyancy is located at the center of gravity of the displaced liquid B) For stability of a submerged body, the center of gravity of body must lie directly below the center of buoyancy C) For stability of floating cylinders or spheres, the e.g. of body must lie below the center of buoyancy D) All floating bodies are stable

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is

A) 1 B) 5 C) 7 D) 6

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

An odd shaped body weighing 7.5 kg and occupying 0.01 m³ volume will be completely submerged in a fluid having specific gravity of

A) 1 B) 1.2 C) 0.8 D) 0.75

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Surge wave in a rectangular channel is an example of
i) steady flow
ii) unsteady flow
iii) uniform flow
iv) non-uniform flow
The correct answer is

A) (i) and (iii) B) (ii) and (iii) C) (i) and (iv) D) (ii) and (iv)

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The center of gravity of the volume of the liquid displaced by an immersed body is called

A) center of gravity B) center of pressure C) metacentre D) center of buoyancy

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The center of gravity of the volume of the liquid displaced by an immersed body is called

A) meta-center B) center of pressure C) center of buoyancy D) center of gravity

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

100

The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called

A) upthrust B) reaction C) buoyancy D) metacentre

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Hydraulics And Fluid Mechanics MCQ Questions & Answers | Civil Engineering