Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Medium pressures Atmospheric pressures Very low pressure Very high pressures Medium pressures Atmospheric pressures Very low pressure Very high pressures ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as Blow off cock Superheater Stop valve Fusible plug Blow off cock Superheater Stop valve Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is installed in a boiler primarily to All of the listed here Superheat the steam Increase steam pressure Reduce fuel consumption All of the listed here Superheat the steam Increase steam pressure Reduce fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fourth One third One fifth One half One fourth One third One fifth One half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Incomplete combustion can be best judged by Measuring temperature of flue gases at exit of furnace Excess air in flue gases Measuring carbon monoxide in flue gases Smoky chimney exit Measuring temperature of flue gases at exit of furnace Excess air in flue gases Measuring carbon monoxide in flue gases Smoky chimney exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A nozzle is said to be a convergent 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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