Hydraulics And Fluid Mechanics MCQ Questions & Answers

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Each section contains 100 MCQs on Hydraulics and Fluid Mechanics .

Piezometer is used to measure

A) pressure in pipe, channels etc B) atmospheric pressure C) very low pressures D) difference of pressure between two points

Discuss

Answer & Solution

Answer: Option C

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

Barometer is used to measure

A) pressure in pipes, channels etc B) atmospheric pressure C) very low pressure D) difference of pressure between two points

Discuss

Answer & Solution

Answer: Option B

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

Differential monometer is used to measure

A) pressure in pipes, channels etc B) atmospheric pressure C) very low pressure D) difference of pressure between two points

Discuss

Answer & Solution

Answer: Option D

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

Manometer is used to measure

A) pressure in pipes, channels etc B) atmospheric pressure C) very low pressure D) difference of pressure between two points

Discuss

Answer & Solution

Answer: Option A

Solution:

Manometers are devices in which columns of a suitable liquid are used to measure the difference in pressure between two points or between a certain point and the atmosphere. The manometer is needed for measuring large gauge pressures.

Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

A) slightly less B) slightly more C) nearly half D) equal

Discuss

Answer & Solution

Answer: Option A

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

Dynamic viscosity of most of the liquids with rise in temperature

A) increases B) decreases C) remains unaffected D) unpredictable

Discuss

Answer & Solution

Answer: Option B

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

Dynamic viscosity of most of the gases with rise in temperature

A) increases B) decreases C) remains unaffected D) unpredictable

Discuss

Answer & Solution

Answer: Option A

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

Poise is the unit of

A) surface tension B) capillarity C) viscosity D) shear stress in fluids

Discuss

Answer & Solution

Answer: Option C

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

The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will

A) increase B) remain unaffected C) may increase or decrease depending on the characteristics of liquid D) decrease

Discuss

Answer & Solution

Answer: Option D

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

Viscosity of water in comparison to mercury is

A) higher B) lower C) same D) higher/lower depending on temperature

Discuss

Answer & Solution

Answer: Option A

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