Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred Heat is transferred by bleeding some gases from furnace By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace By direct mixing From heating an intermediate material and then heating the air from this material From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To convert heat energy of the steam into mechanical work To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for a compound steam engine? The forces in the working parts are increased as the forces are distributed over more parts The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke The cost of the engine, for the same power and economy, is more than that of a simple steam engine The forces in the working parts are increased as the forces are distributed over more parts The temperature range per cylinder is increased, with corresponding increase in condensation The ratio of expansion is reduced, thus reducing the length of stroke The cost of the engine, for the same power and economy, is more than that of a simple steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The factor of evaporation for all boilers is always None of these Less than unity Greater than unity Equal to unity None of these Less than unity Greater than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.2 0.3 0.15 0.45 0.2 0.3 0.15 0.45 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which is not correct statement about the function of furnace? To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal Mix fuel with air and ignite To provide proper conditions for continuous complete combustion Maintain heat supply to prepare and ignite the incoming fuel Separate ash from coal Mix fuel with air and ignite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS