112) Lancashire boiler is a stationary fire tube boiler.

Agree

Disagree

Answer is:

Agree

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113) Lancashire boiler is used where working pressure and power required are

low

moderate

high

none of these

Answer is:

moderate

114) The amount of water evaporated or steam produced in kg per kg of fuel burnt is termed as evaporative capacity of a boiler.

Agree

Disagree

Answer is:

Agree

Explanation:

The performance of a steam boiler is measured in terms of its evaporative capacity. The evaporative capacity of a boiler is the amount of water evaporated or steam produced in kg/h. It may also be expressed in kg/kg of fuel burnt or kg/h/m² of heating surface.

115) In a compound steam engine, the temperature range per cylinder is reduced, with corresponding reduction in the condensation.

Correct

Incorrect

Answer is:

Correct

116) The cylinder condensation or missing quantity may be reduced by

the efficient steam jacketing of the cylinder walls

superheating the steam supplied to the engine cylinder

keeping the expansion ratio small in each cylinder

all of the above

Answer is:

all of the above

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