Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke. Does not effect Increases None of these Decreases Does not effect Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks 180° to each other None of these 90° to each other 0° to each other 180° to each other None of these 90° to each other 0° to each other ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of drums in Benson steam generator is One Two No drum One steam drum and one water drum One Two No drum One steam drum and one water drum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Pump feed water Dose chemicals in feed water Create vacuum at turbine exhaust Create vacuum in furnace Pump feed water Dose chemicals in feed water Create vacuum at turbine exhaust Create vacuum in furnace ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Desirable Uneconomical Essential Economical Desirable Uneconomical Essential ANSWER DOWNLOAD EXAMIANS APP