Steam Boilers, Engines, Nozzles and Turbines Water and sediment in fuel oil can be removed by Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks Suspension Cooling the oil in the settling tanks Burning the oil Heating the oil in the settling tanks Suspension ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Rate of steam flow is more in former case Former is used for high installed capacity Chances of explosion are less in former case Former occupies less space for same power Rate of steam flow is more in former case Former is used for high installed capacity Chances of explosion are less in former case Former occupies less space for same power ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Wet steam Superheated steam Saturated steam Cushion steam Wet steam Superheated steam Saturated steam Cushion steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam leaving the nozzle (V) is given by (where K = Nozzle coefficient or nozzle efficiency, and hd = Enthalpy or heat drop during expansion of steam in a nozzle) V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd V = 44.72 hd K V = 44.72 K hd V = 44.72 K hd V = 44.72 K hd ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Lancashire boiler is Internally fired boiler Stationary fire tube boiler Horizontal boiler All of these Internally fired boiler Stationary fire tube boiler Horizontal boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a divergent nozzle When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle decreases continuously from entrance to exit None of these When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit ANSWER DOWNLOAD EXAMIANS APP
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