Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for a compound steam engine? 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 ratio of expansion is reduced, thus reducing the length of stroke The temperature range per cylinder is increased, with corresponding increase in condensation 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 ratio of expansion is reduced, thus reducing the length of stroke The temperature range per cylinder is increased, with corresponding increase in condensation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? The steam consumption is less The efficiency of steam turbine is higher A steam turbine develops higher speeds All of these The steam consumption is less The efficiency of steam turbine is higher A steam turbine develops higher speeds All of these ANSWER DOWNLOAD EXAMIANS APP
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 Purchased from several parties and packed together at site Packaged boiler does not exist Supplied mounted on a single base Supplied by same manufacturer loose and assembled at site Purchased from several parties and packed together at site Packaged boiler does not exist Supplied mounted on a single base ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which device is used in thermal power plants to reduce level of pollution? Chimney Induced draft fan Precipitator Smoke meter Chimney Induced draft fan Precipitator Smoke meter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Carnot cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency All the three above plus gas cycle efficiency Carnot cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency All the three above plus gas cycle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 15 to 25% 10 to 15% 40 to 60% 25 to 40% 15 to 25% 10 to 15% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
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