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Fluid Mechanics

Fluid Mechanics
Rubber latex is an example of a __________ .fluid.

Newtonion
Bingham plastic
Pseudoplastic
Dilatent

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Fluid Mechanics
Purpose of relief valve in a reciprocating pump is to

Facilitate unidirectional flow of liquid
Protect the pump against developing excessive pressure
Control the rate of discharge
Reduce the discharge pressure

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Fluid Mechanics
Bernoull's equation does not apply to the functioning of a/an

Pitot tube
Orificem
Venturimeter
None of these

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Fluid Mechanics
Lower BWG means __________ of the tube.

Lower thickness
Lower cross-section
Outer diameter
Inner diameter

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Fluid Mechanics
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary.

I, II, V
I, II, III
II, IV, V
II, III, V

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Fluid Mechanics
Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is

90
60
30
45

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