Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The pressure and temperature of steam remains constant The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The expansion of steam takes place partly in the fixed blades and partly in the moving blades The pressure and temperature of steam remains constant The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The expansion of steam takes place partly in the fixed blades and partly in the moving blades 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 guide motion of the piston rod and to prevent it from bending None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross-head To guide motion of the piston rod and to prevent it from bending None of these To convert heat energy of the steam into mechanical work id) to exhaust steam from the cylinder at proper moment ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Presence of moisture in fuel oil would Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame Clean the nozzles Aid in proper combustion Keep the burner tips cool Because sputtering, possibly extinguishing flame ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diagram factor is the ratio of the Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram Any one of the above Actual mean effective pressure to the theoretical mean effective pressure Actual workdone per stroke to the theoretical workdone per stroke Area of the actual indicator diagram to the area of theoretical indicator diagram Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Four times Half Equal Double Four times Half Equal Double ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for initially superheated steam is __________ as compared to initially dry saturated steam. Same None of these More Less Same None of these More Less ANSWER DOWNLOAD EXAMIANS APP
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