Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another By direct mixing From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts. and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is 0.8 0.5 0.4 0.25 0.8 0.5 0.4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler is best suited to meet the fluctuating demand of steam? Lancashire boiler Cornish boiler Babcock and Wilcox boiler Locomotive boiler Lancashire boiler Cornish boiler Babcock and Wilcox boiler Locomotive boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Lancashire boiler Yarrow boiler None of these Babcock and Wilcox boiler Lancashire boiler Yarrow boiler None of these Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The equivalent evaporation is defined as The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated or steam produced in kg per kg of fuel burnt The evaporation of 15.653 kg of water per hour from and at 100°C The amount of water evaporated from and at 100°C into dry and saturated steam The ratio of heat actually used in producing the steam to the heat liberated in the furnace The amount of water evaporated or steam produced in kg per kg of fuel burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called Woolf type compound engine Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine Tandem type compound engine Both (A) and (B) Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
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