Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Twice Equal to Four times Three times Twice Equal to Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be Four times the height of chimney Equal to the height of chimney One-half the height of chimney Two times the height of chimney Four times the height of chimney Equal to the height of chimney One-half the height of chimney Two times the height of chimney 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 Remain dry saturated Wet Superheated Dry Remain dry saturated Wet Superheated Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Change in enthalpy Work done during adiabatic expansion Work done during the Rankine cycle Work done during compression Change in enthalpy Work done during adiabatic expansion Work done during the Rankine cycle Work done during compression ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pulverized fuel is used for Medium sized units More calorific value Less radiation loss Better burning Medium sized units More calorific value Less radiation loss Better burning ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Blading efficiency is also known as Stage efficiency None of these Nozzle efficiency Diagram efficiency Stage efficiency None of these Nozzle efficiency Diagram efficiency ANSWER DOWNLOAD EXAMIANS APP