Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Blading efficiency Gross or stage efficiency Nozzle efficiency Mechanical efficiency Blading efficiency Gross or stage efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Both (A) and (B) Centrifugal fan Steam jet Chimney Both (A) and (B) Centrifugal fan Steam jet Chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Raises the boiling point of a liquid Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume Raises the boiling point of a liquid Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Reduces its volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Produce minimum smoke and gases Ease in storing High calorific value High ignition point Produce minimum smoke and gases Ease in storing High calorific value High ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Desirable Economical Essential Uneconomical Desirable Economical Essential Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Unburnt carbon Moisture in fuel Dry flue gases Steam formation Unburnt carbon Moisture in fuel Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
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