Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Equal to Higher than Lower than None of these Equal to Higher than Lower than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The temperature of flue gases at air heater outlet should be Above dew point temperature of flue gases Less than wet bulb temperature of flue gases Below dew point temperature of flue gases 100°C Above dew point temperature of flue gases Less than wet bulb temperature of flue gases Below dew point temperature of flue gases 100°C 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 = H'/2g V = 2gH' V = 2g H' V = 2g/H' V = H'/2g V = 2gH' V = 2g H' V = 2g/H' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Have separate piston rod Are set at 90° Have common piston rod Are set in V arrangement Have separate piston rod Are set at 90° Have common piston rod Are set in V arrangement ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of discharge through the nozzle ___ when the exit pressure is gradually reduced. None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α tan²α cot²α cos²α sin²α tan²α cot²α cos²α ANSWER DOWNLOAD EXAMIANS APP