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. Equal to Twice Four times Three times Equal to Twice Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following compound steam engine requires a smaller flywheel? Tandem type All of these Receiver type Woolf type Tandem type All of these Receiver type Woolf type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following boiler is best suited to meet the fluctuating demand of steam? Lancashire boiler Cornish boiler Locomotive boiler Babcock and Wilcox boiler Lancashire boiler Cornish boiler Locomotive boiler Babcock and Wilcox boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The purpose of governing in steam turbines is to Maintain the speed of the turbine Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust Maintain the speed of the turbine Reheat the steam and improve its quality Reduce the effective heat drop Completely balance against end thrust ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 25 to 40% 40 to 60% 10 to 15% 15 to 25% 25 to 40% 40 to 60% 10 to 15% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Expansion ratio Clearance ratio Cut-off ratio None of these Expansion ratio Clearance ratio Cut-off ratio None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS