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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

91 PA
1 PA
9810 PA
981 PA

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Hydraulics & Fluid Mechanics
A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will

increase/decrease depending on depth of immersion
remain same
decrease
increase

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Hydraulics & Fluid Mechanics
Operation of McLeod gauge used for low pressure measurement is based on the principle of

Pascal’s law
Charle’s law
gas law
Boyle’s law

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

pressure
discharge
velocity
head

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Hydraulics & Fluid Mechanics
Least possible value of correction factor for i) kinetic energy is zero ii) kinetic energy is 1 iii) momentum is zero iv) momentum is 1 The correct statements are

(ii) and (iv)
(i) and (iv)
(i) and (iii)
(ii) and (iii)

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Hydraulics & Fluid Mechanics
If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

specific weight
specific mass
specific gravity
specific density

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