Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Natural circulation boiler Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler Internally fired boiler Forced circulation boiler Externally fired boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston in a steam engine is To guide motion of the piston rod and to prevent it from bending None of these 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 To guide motion of the piston rod and to prevent it from bending None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Scotch marine boiler are None of the listed here Horizontal Vertical Inclined None of the listed here Horizontal Vertical Inclined ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of It is not possible to achieve 0°K temperature Leakage Frictional losses Non availability of ideal substance It is not possible to achieve 0°K temperature Leakage Frictional losses Non availability of ideal substance ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 100 tonnes/h 135 tonnes/h 175 tonnes/h 250 tonnes/h 100 tonnes/h 135 tonnes/h 175 tonnes/h 250 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The pressure and temperature of steam remains constant The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop The pressure and temperature of steam remains constant The steam is expanded both in fixed and moving blades continuously The steam is expanded in moving blades only The steam is expanded in nozzles only and there is a pressure drop and heat drop ANSWER DOWNLOAD EXAMIANS APP
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