Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Single tube, horizontal, internally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Water level indicator Fusible plug Pressure gauge Safety valve Water level indicator Fusible plug Pressure gauge Safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual power supplied by the engine crankshaft is called Indicated power Brake power Frictional power None of these Indicated power Brake power Frictional power None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature Non availability of ideal substance Leakage Frictional losses It is not possible to achieve 0°K temperature ANSWER DOWNLOAD EXAMIANS APP
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 Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler Externally fired boiler Internally fired boiler Forced circulation boiler ANSWER DOWNLOAD EXAMIANS APP