Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.3 0.23 0.21 0.4 0.3 0.23 0.21 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam in a nozzle follows Rankine cycle Joule cycle Stirling cycle Carnot cycle Rankine cycle Joule cycle Stirling cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a uniflow engine Steam enters at the centre and exhausts at the other end None of these Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port Steam enters at the centre and exhausts at the other end None of these Steam enters at one end and exhausts at the centre Steam enters and exhausts through the same port ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a receiver type compound engine, the high pressure and low pressure cylinders Are set in V-arrangement Have common piston rod Are set at 90° Have separate piston rods Are set in V-arrangement Have common piston rod Are set at 90° Have separate piston rods ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.582 0.528 0.577 0.546 0.582 0.528 0.577 0.546 ANSWER DOWNLOAD EXAMIANS APP