Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 79 m/s 450 m/s 188 m/s 900 m/s 79 m/s 450 m/s 188 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Heat transfer area should be optimum Handling and maintenance should be easier Approach temperature should be as low as possible Stack gases should not be cooled to the dew point Heat transfer area should be optimum Handling and maintenance should be easier ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf 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 rod Are set in V arrangement Have common piston rod Are set at 90° Have separate piston rod ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.3 0.1 0.8 0.5 0.3 0.1 0.8 0.5 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Constant temperature process Reversible process Essentially an isentropic process Non-heat transfer process Constant temperature process Reversible process Essentially an isentropic process Non-heat transfer process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a single acting steam engine The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP
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