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131.

Pressure cables are used for

132.

A relay for protective system should have

133.

A Buchholz relay is used on

134.

The protection against lightning is provided by

135.

The efficiency of a thermal power plant improves with

A.	Larger quantity of water used	B.	Lower load on the plant
C.	Increased quantity of coal burnt	D.	Use of high pressure steam
E.	All of the above

136.

Which of the following contributes to the improvement of efficiency of Rankine cycle in a thermal power plant?

A.	Use of high pressures	B.	Reheating of steam at some intermediate stage
C.	Regeneration	D.	All of the above
E.	None of the above

137.

Steam pressure of super-thermal power plant is

138.

When pulverised fuel is not used the equipment used for feeding coal to the boiler is

139.

Burning of low grade fuels can be improved by

A.	Blending with better quality	B.	Oil assisted ignition
C.	Pulverising	D.	Any of the above
E.	None of the above

140.

Water is fed to the boiler at

A.	Atmospheric pressure	B.	Less than atmospheric pressure
C.	Slightly more than atmospheric pressure	D.	At 100 kg/cm2
E.	At pressure more than the steam pressure