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PSC Civil Engg: Fluid Mechanics Quiz 3

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Question 1

In an incompressible flow, the:

Question 2

Consider the continuity equation for velocity field
where:
ρ = fluid density
u = x-component of flow velocity
v = flow velocity of y component
The above equation is used only for

Question 3

A mixed flow pump is driven by a 8 kW motor running at 1000 rpm. It delivers water at the rate of 100 liters/min against a total head of 25 m. What is the specific speed of the pump?

Question 4

A U- tube open at ends and made of 8 mm diameter glass tube has mercury up to a height of 10 cm in both the limbs. If 19 cm3 of water is added to one of the limbs, what is the difference in mercury levels in the two limbs at equilibrium ?

Question 5

How is the difference of pressure head ‘h’ measured by a mercury-oil differential manometer expressed ?
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Mar 24ESE & GATE CE