Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower value Lower/higher depending on steam flow Same value Higher value Lower value Lower/higher depending on steam flow Same value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Static Dynamic Neither static nor dynamic Static and dynamic Static Dynamic Neither static nor dynamic Static and dynamic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Worsen May improve/worsen depending on size Improve Remain unaffected Worsen May improve/worsen depending on size Improve Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) tan²α cos²α cot²α sin²α tan²α cos²α cot²α sin²α 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 Tandem type compound engine Receiver type compound engine Both (A) and (B) Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
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