Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades Identical fixed and moving blades Only moving blades Fixed and moving blades of different shape Only fixed blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Feed pump Pressure gauge Injector Feed check valve Feed pump Pressure gauge Injector Feed check valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.4 0.75 0.9 0.5 0.4 0.75 0.9 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 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 temperature range per cylinder is increased, with corresponding increase in condensation The forces in the working parts are increased as the forces are distributed over more parts 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 temperature range per cylinder is increased, with corresponding increase in condensation ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Mode of steam action Number of stages Direction of steam flow All of these Mode of steam action Number of stages Direction of steam flow All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the clearance volume Swept volume to the volume at cut-off Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Volume at cut-off to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS