Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred By direct mixing Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material By direct mixing Heat is transferred by bleeding some gas from furnace From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines With increase in load, convection superheater has Drooping characteristic Flat characteristic Linear characteristic Rising characteristic Drooping characteristic Flat characteristic Linear characteristic Rising characteristic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Three times Twice Equal to Four times Three times Twice Equal to Four times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Besides mean effective pressure, the data required to determine the indicated power of an engine include Piston diameter, specific fuel consumption and Calorific value of fuel Piston diameter, length of stroke and calorific value of fuel Specific fuel consumption, speed of rotation and torque Piston diameter, length of stroke and speed of rotation Piston diameter, specific fuel consumption and Calorific value of fuel Piston diameter, length of stroke and calorific value of fuel Specific fuel consumption, speed of rotation and torque Piston diameter, length of stroke and speed of rotation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Inside diameter and thickness Outside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter Inside diameter and thickness Outside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter ANSWER DOWNLOAD EXAMIANS APP