Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Equal to Twice Three times Four times Equal to Twice Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = 2gH' V = H'/2g V = 2g/H' V = 2g H' V = 2gH' V = H'/2g V = 2g/H' V = 2g H' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Reheating of steam in a turbine Reduces wear on the blades Increases the efficiency of the turbine All of these Increases the work-done through the turbine Reduces wear on the blades Increases the efficiency of the turbine All of these Increases the work-done through the turbine ANSWER DOWNLOAD EXAMIANS APP
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 capacity of induced draft fan compared to forced draft fan in a boiler is Less Same More Less or more depending on size of boiler Less Same More Less or more depending on size of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Rateau turbine is Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine ANSWER DOWNLOAD EXAMIANS APP