Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Equal Half Double Four times Equal Half Double Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A supercritical boiler is one that operates above the pressure and temperature of following values 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C 100 kg/cm² and 540°C 218 kg/cm² abs and 373°C 1 kg/cm² and 100°C 218 kg/cm² abs and 540°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The evaporation of 15.653 kg of water per hour from and at 100°C is called Evaporative capacity Equivalent evaporation Factor of evaporation One boiler h.p. Evaporative capacity Equivalent evaporation Factor of evaporation One boiler h.p. ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. None of these Less than Higher than Equal to None of these Less than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for a compound steam engine? The cost of the engine, for the same power and economy, is more than that of a simple steam engine The forces in the working parts are increased as the forces are distributed over more parts The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke The cost of the engine, for the same power and economy, is more than that of a simple steam engine The forces in the working parts are increased as the forces are distributed over more parts The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be 302 kW 260 kW 296 kW 282 kW 302 kW 260 kW 296 kW 282 kW ANSWER DOWNLOAD EXAMIANS APP