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In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.

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Question: In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.
[A].

less than

[B].

more than

Answer: Option A

Explanation:

No answer description available for this question.

An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

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Question: An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
[A].

less than twice

[B].

more than twice

[C].

less than three times

[D].

more than three times

Answer: Option C

Explanation:

No answer description available for this question.

An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

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Question: An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.
[A].

free

[B].

partially

[C].

full

Answer: Option C

Explanation:

No answer description available for this question.

In an internal mouthpiece, if the jet after contraction expands and fills up the whole mouthpiece, then the mouthpiece is said to be running free.

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Question: In an internal mouthpiece, if the jet after contraction expands and fills up the whole mouthpiece, then the mouthpiece is said to be running free.
[A].

True

[B].

False

Answer: Option B

Explanation:

No answer description available for this question.

In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

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Question: In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be
[A].

running full

[B].

running free

[C].

partially running full

[D].

partially running free

Answer: Option B

Explanation:

No answer description available for this question.

FERAL : TAME

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Question: FERAL : TAME
[A].

rancid : rational

[B].

repetitive : recurrent

[C].

nettlesome : annoying

[D].

repentant : honorable

Answer: Option E

Explanation:

Feral and tame are antonyms; ephemeral and immortal are antonyms.

In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

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Question: In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
[A].

equal to

[B].

one-fourth

[C].

one-third

[D].

one-half

Answer: Option B

Explanation:

No answer description available for this question.

A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

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Question: A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
[A].

notch

[B].

weir

[C].

mouthpiece

[D].

nozzle

Answer: Option C

Explanation:

No answer description available for this question.

A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is

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Question: A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
[A].

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

A hemispherical tank of radius (R) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to lower the level of liquid from (H1) to (H2) will be

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Question: A hemispherical tank of radius (R) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to lower the level of liquid from (H1) to (H2) will be
[A].

[B].

[C].

[D].

none of the above

Answer: Option C

Explanation:

No answer description available for this question.