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A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be

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Question: A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be
[A].

[B].

[C].

[D].

Answer: Option A

Explanation:

No answer description available for this question.

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

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

[B].

[C].

[D].

Answer: Option C

Explanation:

No answer description available for this question.

An orifice is said to be large, if

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Question: An orifice is said to be large, if
[A].

the size of orifice is large

[B].

the velocity of flow is large

[C].

the available head of liquid is more than 5 times the height of orifice

[D].

the available head of liquid is less than 5 times the height of orifice

Answer: Option D

Explanation:

No answer description available for this question.

Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

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Question: Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)
[A].

Cc x Cv

[B].

Cc x Cr

[C].

Cv x Cr

[D].

Cc/Cr

Answer: Option A

Explanation:

No answer description available for this question.

Coefficient of velocity is defined as the ratio of

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Question: Coefficient of velocity is defined as the ratio of
[A].

actual velocity of jet at vena contracta to the theoretical velocity

[B].

area of jet at vena contracta to the area of orifice

[C].

actual discharge through an orifice to the theoretical discharge

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

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Question: A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is
[A].

0.46

[B].

0.64

[C].

0.78

[D].

0.87

Answer: Option B

Explanation:

No answer description available for this question.

DIRGE : FUNERAL

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Question: DIRGE : FUNERAL
[A].

chain : letter

[B].

bell : church

[C].

telephone : call

[D].

jingle : commercial

Answer: Option D

Explanation:

A dirge is a song used at a funeral; a jingle is a song used in a commercial.

Coefficient of resistance is the ratio of

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Question: Coefficient of resistance is the ratio of
[A].

actual velocity of jet at vena contracta to the theoretical velocity

[B].

area of jet at vena contracta to the area of orifice

[C].

loss of head in the orifice to the head of water available at the exit of the orifice

[D].

actual discharge through an orifice to the dieoretical discharge

Answer: Option C

Explanation:

No answer description available for this question.

Coefficient of contraction is the ratio of

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Question: Coefficient of contraction is the ratio of
[A].

actual velocity of jet at vena contracta to the theoretical velocity

[B].

loss of head in the orifice to the head of water available at the exit of the orifice

[C].

actual discharge through an orifice to the theoretical discharge

[D].

area of jet at vena contracta to the area of orifice

Answer: Option D

Explanation:

No answer description available for this question.