Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 25 to 40% 15 to 25% 40 to 60% 10 to 15% 25 to 40% 15 to 25% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To convert heat energy of the steam into mechanical work To guide motion of the piston rod and to prevent it from bending To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To convert heat energy of the steam into mechanical work To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Pump water, similar to boiler feed pump Add make up water in the system Create vacuum Inject chemical solution in feed pump Pump water, similar to boiler feed pump Add make up water in the system Create vacuum Inject chemical solution in feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is of the following type Internally fired Multi tubular Horizontal All of the listed here Internally fired Multi tubular Horizontal All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP