Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during compression Work done during the Rankine cycle Change in enthalpy Work done during adiabatic expansion Work done during compression Work done during the Rankine cycle Change in enthalpy Work done during adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The principal function of a stop valve is to Increase the temperature of saturated steam without raising its pressure Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler Increase the temperature of saturated steam without raising its pressure Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of flue tube in a Cornish boiler is _________ that of the shell. One-third Three-fifth Two-fifth One-fourth One-third Three-fifth Two-fifth One-fourth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To transfer motion from the piston to the cross-head To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment None of these To guide motion of the piston rod and to prevent it from bending To transfer motion from the piston to the cross-head To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment None of these To guide motion of the piston rod and to prevent it from bending 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 first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit None of these When the cross-section of the nozzle decreases continuously from entrance to exit When the cross-section of the nozzle increases continuously from entrance to exit ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Alkaline pyrogallate is used in Orsat's apparatus for absorption of CO O₂ N₂ CO₂ CO O₂ N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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