Engineering :: Hydraulics Machines

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131.

A hydraulic ram is a device used to

A.	store the energy of water	B.	increase the pressure of water
C.	to lift water from deep wells	D.	to lift small quantity of water to a greater height when a large quantity of water is available at a smaller height

132.

Which of the following pump is sucessfully used for lifting water to the boilers?

A.	Centrifugal pump	B.	Reciprocating pump
C.	Jet pump	D.	Air-lift pump

133.

Which of the following pump is sucessfully used for lifting water to the wells?

A.	Centrifugal pump	B.	Reciprocating pump
C.	Jet pump	D.	Air-lift pump

134.

Which of the following pump is sucessfully used for lifting water to the turbines?

A.	Centrifugal pump	B.	Reciprocating pump
C.	Jet pump	D.	Air-lift pump

135.

A hydraulic press is a device used

A.	to store pressure energy which may be supplied to a machine later on	B.	to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure
C.	to lift larger load by the application of a comparatively much smaller force	D.	all of the above

136.

The working of which of the following hydraulic units is based on Pascal's law?

A.	Air lift pump	B.	Jet pump
C.	Hydraulic coupling	D.	Hydraulic press

137.

A hydraulic accumulator is a device used to store

A.	strain	B.	pressure
C.	kinetic

138.

The capacity of a hydraulic accomulator is generally specified as the maximum amount of energy stored.

True

False

139.

A hydraulic intensifier is a device used to increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure.

Right

Wrong

140.

Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?

A.	Hydraulic ram	B.	Hydraulic intensifier
C.	Hydraulic torque converter	D.	Hydraulic accumulator