Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Scotch marine boiler are Vertical Inclined None of the listed here Horizontal Vertical Inclined None of the listed here Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion Work is done All of these Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion Work is done All of these Heat transfer takes place across cylinder walls ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Unburnt carbon Moisture in fuel Steam formation Dry flue gases Unburnt carbon Moisture in fuel Steam formation Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater is installed Between the economiser and chimney Before the economiser None of these Before the superheater Between the economiser and chimney Before the economiser None of these Before the superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called None of these Internal efficiency Stage efficiency Rankine efficiency None of these Internal efficiency Stage efficiency Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel Ease in storing Produce minimum smoke and gases High ignition point High calorific value Ease in storing Produce minimum smoke and gases High ignition point High calorific value ANSWER DOWNLOAD EXAMIANS APP