Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME
Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

wQHd

wQ (Hs - Hd)

wQ (Hs + Hd)

wQHs

wQHd

wQ (Hs - Hd)

wQ (Hs + Hd)

wQHs

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at constant rate is called

Unsteady uniform flow

Steady uniform flow

Steady non-uniform flow

Unsteady non-uniform flow

Unsteady uniform flow

Steady uniform flow

Steady non-uniform flow

Unsteady non-uniform flow

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Hydraulics and Fluid Mechanics in ME
Meta-centric height is given as the distance between

The center of gravity of the body and the center of buoyancy

The center of gravity of the body and the metacenter

The center of gravity of the body and the center of pressure

Center of buoyancy and metacenter

The center of gravity of the body and the center of buoyancy

The center of gravity of the body and the metacenter

The center of gravity of the body and the center of pressure

Center of buoyancy and metacenter

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Hydraulics and Fluid Mechanics in ME
If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is

V1 / (V1 - V2)

(V1 - V2) / V1

V1² / (V1² - V2²)

(V1² - V2²) / V1²

V1 / (V1 - V2)

(V1 - V2) / V1

V1² / (V1² - V2²)

(V1² - V2²) / V1²

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Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Submerged weir

Broad crested weir

Narrow crested weir

Ogee weir

Submerged weir

Broad crested weir

Narrow crested weir

Ogee weir

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Hydraulics and Fluid Mechanics in ME
The shear stress-strain graph for a Newtonian fluid is a

Hyperbolic curve

Elliptical

Straight line

Parabolic curve

Hyperbolic curve

Elliptical

Straight line

Parabolic curve

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME A flow through a long pipe at constant rate is called

Hydraulics and Fluid Mechanics in ME Meta-centric height is given as the distance between

Hydraulics and Fluid Mechanics in ME If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is

Hydraulics and Fluid Mechanics in ME A weir, generally, used as a spillway of a dam is

Hydraulics and Fluid Mechanics in ME The shear stress-strain graph for a Newtonian fluid is a

Hydraulics and Fluid Mechanics in ME
Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters)

Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at constant rate is called

Hydraulics and Fluid Mechanics in ME
Meta-centric height is given as the distance between

Hydraulics and Fluid Mechanics in ME
If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is

Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Hydraulics and Fluid Mechanics in ME
The shear stress-strain graph for a Newtonian fluid is a