Steam Boilers, Engines, Nozzles and Turbines The feed check valve is used in order to Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Check level of water in boiler drum Recirculate unwanted feed water Regulate flow of boiler water Allow high pressure feed water to flow to drum and not allow reverse flow to take place Check level of water in boiler drum Recirculate unwanted feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly 150 kg/h 280 kg/h 210 kg/h 340 kg/h 150 kg/h 280 kg/h 210 kg/h 340 kg/h 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 Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Volume at cut-off to the clearance volume Swept volume to the volume at cut-off Clearance volume to the volume at cut-off Volume at cut-off to the swept volume Volume at cut-off to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Locomotive boiler has 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes 137 fire tubes and 44 superheated tubes 167 fire tubes and 14 superheated tubes 157 fire tubes and 24 superheated tubes 147 fire tubes and 34 superheated tubes ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Rate of steam flow is more in former case Former occupies less space for same power Chances of explosion are less in former case Former is used for high installed capacity Rate of steam flow is more in former case Former occupies less space for same power Chances of explosion are less in former case Former is used for high installed capacity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of 0.5 0.1 0.8 0.3 0.5 0.1 0.8 0.3 ANSWER DOWNLOAD EXAMIANS APP