Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Fusible plug Pressure gauge Safety valve Water level indicator Fusible plug Pressure gauge Safety valve Water level indicator 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 Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Supplied mounted on a single base Packaged boiler does not exist Purchased from several parties and packed together at site Supplied by same manufacturer loose and assembled at site Supplied mounted on a single base Packaged boiler does not exist ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 340 kg/h 150 kg/h 280 kg/h 210 kg/h 340 kg/h 150 kg/h 280 kg/h 210 kg/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse reaction turbine has its driving force Partly as an impulsive force and partly as a reaction force None of the listed here As an impulsive force As a reaction force Partly as an impulsive force and partly as a reaction force None of the listed here As an impulsive force As a reaction force ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required. Less More Equal None of the listed here Less More Equal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS