Exercise: Hydraulics

Questions for: Hydraulics

To measure very low pressure, we use
A:
barometers
B:
piezometers
C:
manometers
D:
differential manometers.
Answer: C
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A rise or fall of liquid in a glass tube of a very small diameter when dipped is
A:
directly proportional to the force per unit length of periphery
B:
direcly proportional to the sine of the angle of contact
C:
directly proportional to the specific weight of liquid
D:
inversely proportional to the diameter of the glass tube.
Answer: C
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A load w is rolled a distance d across the deck of a ship of weight W, due to which the ship heels through ΞΈΒ°. The metacentric height of the ship, is
A:
B:
C:
D:
Answer: C
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If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be
A:
Cdbd22gH
B:
Cdb2d2gH
C:
Cdbd2gh
D:
Cdbd.2g H1/2.
Answer: C
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The pressure less than atmospheric , pressure, is known
A:
suction pressure
B:
vacuum pressure
C:
negative gauge pressure
D:
all the above.
Answer: D
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