Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Raising of steam temperature High calorific value coal being burnt Higher effectiveness of boiler Fouling of heat transfer surfaces Raising of steam temperature High calorific value coal being burnt Higher effectiveness of boiler Fouling of heat transfer surfaces ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high steam and low water safety valve is used to blow off steam when the None of these Both (A) and (B) Steam pressure exceeds the working pressure Water level in the boiler becomes too low None of these Both (A) and (B) Steam pressure exceeds the working pressure Water level in the boiler becomes too low ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between None of these Air preheater and chimney Last superheater or reheater and air preheater Induced draft fan and forced draft fan None of these Air preheater and chimney Last superheater or reheater and air preheater Induced draft fan and forced draft fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Bomb calorimeter is used to determine Higher calorific value at constant pressure Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume Higher calorific value at constant pressure Lower calorific value at constant pressure Lower calorific value at constant volume Higher calorific value at constant volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Have common piston rod Have separate piston rod Are set in V arrangement Are set at 90° Have common piston rod Have separate piston rod Are set in V arrangement Are set at 90° ANSWER DOWNLOAD EXAMIANS APP