Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called Chimney draught None of these Induced steam jet draught Forced steam jet draught Chimney draught None of these Induced steam jet draught Forced steam jet draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these Work is done Steam may be wet, dry or superheated after expansion Heat transfer takes place across cylinder walls All of these Work is done ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 100 kg/cm² 17 kg/cm² 1 kg/cm 6 kg/cm 100 kg/cm² 17 kg/cm² 1 kg/cm 6 kg/cm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder dimensions of a compound engine may be designed on the basis of Equal power developed in each cylinder for uniform turning moment All of these Equal temperature drop in each cylinder for economy of steam Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders Equal power developed in each cylinder for uniform turning moment All of these Equal temperature drop in each cylinder for economy of steam Equal initial piston loads on all pistons for obtaining same size of piston rod, connecting rod etc. for all cylinders ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotive boiler, maximum steam pressure is limited to 10 kg/cm² 1 kg/cm² 5 kg/cm² 18 kg/cm² 10 kg/cm² 1 kg/cm² 5 kg/cm² 18 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS