Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler Economize on fuel Extract heat from the exhaust flue gases Increase flue gas temperature Increase thermal efficiency of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is not used in Locomotive boiler Cornish boiler Cochran boiler Lancashire boiler Locomotive boiler Cornish boiler Cochran boiler Lancashire boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between None of these Induced draft fan and forced draft fan Air preheater and chimney Last superheater or reheater and air preheater None of these Induced draft fan and forced draft fan Air preheater and chimney Last superheater or reheater and air preheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. None of these Lower than Equal to Higher than None of these Lower than Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Swept volume to the volume at cut-off Volume at cut-off to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
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