Steam Boilers, Engines, Nozzles and Turbines Besides mean effective pressure, the data required to determine the indicated power of an engine include Piston diameter, length of stroke and calorific value of fuel Piston diameter, length of stroke and speed of rotation Specific fuel consumption, speed of rotation and torque Piston diameter, specific fuel consumption and Calorific value of fuel Piston diameter, length of stroke and calorific value of fuel Piston diameter, length of stroke and speed of rotation Specific fuel consumption, speed of rotation and torque Piston diameter, specific fuel consumption and Calorific value of fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Pressure compounding Velocity compounding All of these Pressure-velocity compounding Pressure compounding Velocity compounding All of these Pressure-velocity compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these Enables low grade fuel to be burnt Increases evaporative capacity of the boiler Increases the efficiency of the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. Decreases Increases None of the listed here Has no effect on Decreases Increases None of the listed here Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle decreases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) None of the listed here ηS = ηB / ηN ηS = ηB × ηN ηS = ηN / ηB None of the listed here ηS = ηB / ηN ηS = ηB × ηN ηS = ηN / ηB ANSWER DOWNLOAD EXAMIANS APP
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