Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower/higher depending on steam flow Same value Lower value Higher value Lower/higher depending on steam flow Same value Lower value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 81-85% 90-95% 78-81% 85-90% 81-85% 90-95% 78-81% 85-90% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The balanced draft furnace is one using Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above Induced draft fan and chimney Induced draft fan and forced draft fan Forced draft fan and chimney Any one of the above Induced draft fan and chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 1 kgf/ cm² 273 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² 1 kgf/ cm² 273 kgf/ cm² 225.65 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Gross or stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Gross or stage efficiency Nozzle efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
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 900 m/s 79 m/s 450 m/s 188 m/s 900 m/s 79 m/s 450 m/s 188 m/s ANSWER DOWNLOAD EXAMIANS APP
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