The specific weight of water is 1000 kg/m”

Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m”

at 4°C temperature

at mean sea level

at normal pressure of 760 mm

All listed here

at 4°C temperature

at mean sea level

at normal pressure of 760 mm

All listed here

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

Work-done per kN of water Losses within the impeller

All of these

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe

Work-done per kN of water Losses within the impeller

All of these

Energy per kN at outlet of impeller Energy per kN at inlet of impeller

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Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Pascal’s law

Archimedes’s principle

D-Alembert’s principle

None of these

Pascal’s law

Archimedes’s principle

D-Alembert’s principle

None of these

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Hydraulics and Fluid Mechanics in ME
The velocity at which the laminar flow stops, is known as

Velocity of approach

None of these

Lower critical velocity

Higher critical velocity

Velocity of approach

None of these

Lower critical velocity

Higher critical velocity

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Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of gases __________ with rise in temperature.

Remain unaffected

None of these

Increases

Decreases

Remain unaffected

None of these

Increases

Decreases

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Hydraulics and Fluid Mechanics in ME
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

A2/3 × M1/3 × m × i

A × M × m2/3 × i1/2

A × M × m1/2 × i2/3

A1/2 × M2/3 × m × i

A2/3 × M1/3 × m × i

A × M × m2/3 × i1/2

A × M × m1/2 × i2/3

A1/2 × M2/3 × m × i

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The specific weight of water is 1000 kg/m”

Hydraulics and Fluid Mechanics in ME Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Hydraulics and Fluid Mechanics in ME The velocity at which the laminar flow stops, is known as

Hydraulics and Fluid Mechanics in ME The dynamic viscosity of gases __________ with rise in temperature.

Hydraulics and Fluid Mechanics in ME According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m”

Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Hydraulics and Fluid Mechanics in ME
The velocity at which the laminar flow stops, is known as

Hydraulics and Fluid Mechanics in ME
The dynamic viscosity of gases __________ with rise in temperature.

Hydraulics and Fluid Mechanics in ME
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)