Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure + actual pressure Gauge pressure + atmospheric pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Barometric pressure + actual pressure Gauge pressure + atmospheric pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The performance of a boiler is measured by the Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt Steam produced in kg/h All of the listed here Amount of water evaporated per hour Steam produced in kg/kg of fuel burnt Steam produced in kg/h All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Remains constant Increases None of these Decreases Remains constant Increases None of these Decreases 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 Wet Superheated Dry Remain dry saturated Wet Superheated Dry Remain dry saturated ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation is defined as The amount of water evaporated from and at 100°C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The amount of water evaporated or steam produced in kg per kg of fuel burnt The ratio of heat actually used in producing the steam to the heat liberated in the furnace The evaporation of 15.653 kg of water per hour from and at 100°C ANSWER DOWNLOAD EXAMIANS APP