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Fluid Mechanics

Fluid Mechanics
A hydraulic ram acts as a/an __________ pump.

Reciprocating
Parallel cylinder
Centrifugal
Impulse

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Fluid Mechanics
N²Re/NFr is called the __________ number.

Brinkman
Galileo
Euler
Archimedes

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Fluid Mechanics
The pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be

2Δp
Δp/2
Δp
Δp²

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Fluid Mechanics
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around

1000
2000
10
100

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Fluid Mechanics
While starting an axial flow pump, its delivery valve should be kept

Open
Closed
None of these
Either open or closed

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Fluid Mechanics
Plunger pumps are used for

None of these
Viscous mass
Higher pressure
Slurries

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MORE MCQ ON Fluid Mechanics

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