Steam Boilers, Engines, Nozzles and Turbines A packaged boiler is one in which various parts like firing equipment, fans, feed pumps and automatic controls are Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist Purchased from several parties and packed together at site Supplied mounted on a single base Supplied by same manufacturer loose and assembled at site Packaged boiler does not exist Purchased from several parties and packed together at site Supplied mounted on a single base ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expansion ratio is the ratio of Clearance volume to the swept volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the clearance volume Clearance volume to the swept volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of the plant __________ with the mechanical draught. Remains constant None of these Decreases Increases Remains constant None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Essential Desirable Economical Uneconomical Essential Desirable Economical Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Natural draught Induced draught Forced draught Balanced draught Natural draught Induced draught Forced draught Balanced draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by The draft to be created Limitation of construction facilities Control of pollution Quantity of flue gases to be handled The draft to be created Limitation of construction facilities Control of pollution Quantity of flue gases to be handled ANSWER DOWNLOAD EXAMIANS APP
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