Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 188 m/s 450 m/s 900 m/s 79 m/s 188 m/s 450 m/s 900 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following substance will have same percentage in both proximate and ultimate analysis? Ash Moisture Hydrogen Volatile matter Ash Moisture Hydrogen Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off ratio is the ratio of Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume Volume at cut-off to the swept volume Clearance volume to the volume at cut-off Swept volume to the volume at cut-off Volume at cut-off to the clearance volume ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Forced circulation type Horizontal fire tube type Horizontal water tube type Vertical fire tube type Forced circulation type Horizontal fire tube type Horizontal water tube type Vertical fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In regenerative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gas from furnace By direct mixing From a metal wall from one medium to another From heating an intermediate material and then heating the air from this material Heat is transferred by bleeding some gas from furnace By direct mixing From a metal wall from one medium to another ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle increases continuously from entrance to exit, it is called a Convergent-divergent nozzle Convergent nozzle Divergent nozzle None of these Convergent-divergent nozzle Convergent nozzle Divergent nozzle None of these ANSWER DOWNLOAD EXAMIANS APP