Steam Boilers, Engines, Nozzles and Turbines A condenser in a steam power plant Increases expansion ratio of steam Reduces temperature of exhaust steam All of these Reduces back pressure of steam Increases expansion ratio of steam Reduces temperature of exhaust steam All of these Reduces back pressure of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time None of these Ratio of the heat liberated in the furnace to the heat actually used in producing steam Ratio of heat actually used in producing steam to the heat liberated in the furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Ultimate analysis of fuel is determination of percentage of Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture Lower calorific value Higher calorific value Fixed carbon, ash, volatile matter, moisture Carbon, hydrogen, nitrogen, sulphur, moisture ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Remain constant Decreases May increase or decrease depending upon the method of storage Increases Remain constant Decreases May increase or decrease depending upon the method of storage Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to None of these pa + ps pa - ps ps - pa None of these pa + ps pa - ps ps - pa ANSWER DOWNLOAD EXAMIANS APP