Steam Boilers, Engines, Nozzles and Turbines For combustion of a fuel, following is essential Proper ignition temperature O₂ to support combustion Correct fuel air ratio All the three above Proper ignition temperature O₂ to support combustion Correct fuel air ratio All the three above ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are Internally as well as externally fired Externally fired None of these Internally fired Internally as well as externally fired Externally fired None of these Internally fired ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases None of these The flames and hot gases pass through the tubes which are surrounded by water Forced circulation takes place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Direction of steam flow Number of stages Mode of steam action All of these Direction of steam flow Number of stages Mode of steam action All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency Condenser efficiency Vacuum efficiency Nozzle efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS