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FLUID MECHANICS

Fluid Mechanics
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a

V-notch
Pitot tube
Kennison nozzle
Weir

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Fluid Mechanics
Slurries can be most conveniently pumped by a __________ pump.

Centrifugal
Gear
Screw
Reciprocating

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Fluid Mechanics
Medium viscosity lubricating oil can be most ideally pumped by a __________ pump.

Plunger
Vane
Centrifugal
Piston

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Fluid Mechanics
Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will

Increase
Decrease
Remain same
Data insufficient to predict pressure drop

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Fluid Mechanics
If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is

Greater in 1 mm dia tube
Same in both the tubes
Zero in both the tubes
Greater in 0.5 mm dia tube

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