Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum heat loss is a boiler occurs due to Steam formation Moisture in fuel Unburnt carbon Dry flue gases Steam formation Moisture in fuel Unburnt carbon Dry flue gases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Superheated Wet Remain dry saturated Dry Superheated Wet Remain dry saturated Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Mean diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Outside diameter and thickness Mean diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Outside diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is 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 Less efficient and less economical More efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS