Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the chimney is called Forced steam jet draught Chimney draught Induced steam jet draught None of these Forced steam jet draught Chimney draught Induced steam jet draught None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Natural circulation boiler Forced circulation boiler Internally fired boiler Externally fired boiler Natural circulation boiler Forced circulation boiler Internally fired boiler Externally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about effect of sulphur in fuel? It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low It helps in electrostatic precipitation of ash in flue gases It erodes furnace walls It has heating value It leads to corrosion of air heaters, ducting, etc. if flue gas exit temperature is low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Feed pump Feed check valve Pressure gauge Injector Feed pump Feed check valve Pressure gauge Injector ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Ease in storing High calorific value Produce minimum smoke and gases High ignition point Ease in storing High calorific value Produce minimum smoke and gases High ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
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