Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler Natural circulation boiler Forced circulation boiler Externally fired boiler Internally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Besides mean effective pressure, the data required to determine the indicated power of an engine include Specific fuel consumption, speed of rotation and torque Piston diameter, specific fuel consumption and Calorific value of fuel Piston diameter, length of stroke and speed of rotation Piston diameter, length of stroke and calorific value of fuel Specific fuel consumption, speed of rotation and torque Piston diameter, specific fuel consumption and Calorific value of fuel Piston diameter, length of stroke and speed of rotation Piston diameter, length of stroke and calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 1.0 to 1.5 kg 0.1 to 0.2 kg 0.2 to 0.4 kg 0.6 to 0.8 kg 1.0 to 1.5 kg 0.1 to 0.2 kg 0.2 to 0.4 kg 0.6 to 0.8 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which the high pressure and low pressure cylinders have common piston rod, is called Woolf type compound engine Tandem type compound engine None of these Receiver type compound engine Woolf type compound engine Tandem type compound engine None of these Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High ignition point Produce minimum smoke and gases Ease in storing High calorific value High ignition point Produce minimum smoke and gases Ease in storing High calorific value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2α, where α is the nozzle exit flow angle, if the Blade solidity is 0.65 Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular Blade solidity is 0.65 Blades are equiangular and frictionless Blade velocity coefficient is unity Blades are equiangular ANSWER DOWNLOAD EXAMIANS APP