Hydraulics and Fluid Mechanics - Section 1 (3)

Directions to Solve

Hydraulics and Fluid Mechanics - Section 1

17.

A manometer is used to measure

A.	low pressure
B.	moderate pressure
C.	high pressure
D.	atomospheric pressure

Answer: Option C

Explanation:

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18.

An ideal fluid is frictionless and incompressible.

A.	Correct
B.	Incorrect

Answer: Option A

Explanation:

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19.

The stability of a dam is checked for

A.	tension at the base
B.	overturning of the wall or dam
C.	sliding of the wall or dam
D.	all of these

Answer: Option D

Explanation:

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20.

The coefficient of viscosity may be determined by

A.	capillary tube method
B.	orifice type viscometer
C.	rotating cylinder method
D.	all of these

Answer: Option D

Explanation:

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21.

The maximum efficiency of transmission through a pipe is

A.	50%
B.	56.7%
C.	66.67%
D.	76.66%

Answer: Option C

Explanation:

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22.

A structure whose width is __________ the width of the channel, is called a flumed structure.

A.	less than
B.	more than

Answer: Option A

Explanation:

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23.

The total energy line lies over the hydraulic gradient line by an amount equal to the

A.	pressure head
B.	velocity head
C.	pressure head + velocity head
D.	pressure head - velocity head

Answer: Option B

Explanation:

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24.

The pressure less than atmospheric pressure is known as

A.	suction pressure
B.	vacuum pressure
C.	negative gauge pressure
D.	all of these

Answer: Option D

Explanation:

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