Steam Boilers, Engines, Nozzles and Turbines Desecration of feed water is carried out because it reduces pH value of water Heat transfer coefficient Cavitation of boiler feed pumps Corrosion caused by oxygen pH value of water Heat transfer coefficient Cavitation of boiler feed pumps Corrosion caused by oxygen ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 78-81% 85-90% 90-95% 81-85% 78-81% 85-90% 90-95% 81-85% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for a compound steam engine? The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke The forces in the working parts are increased as the forces are distributed over more parts The cost of the engine, for the same power and economy, is more than that of a simple steam engine The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke The forces in the working parts are increased as the forces are distributed over more parts The cost of the engine, for the same power and economy, is more than that of a simple steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A fusible plug is fitted in small boilers in order to Avoid excessive build up of pressure Control steam dome Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit Avoid excessive build up of pressure Control steam dome Avoid explosion Extinguish fire if water level in the boiler falls below alarming limit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Clearance ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Clearance volume to the swept volume Swept volume to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.75 0.9 0.4 0.5 0.75 0.9 0.4 ANSWER DOWNLOAD EXAMIANS APP
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