Steam Boilers, Engines, Nozzles And Turbines MCQ Questions & Answers | Mechanical Engineering

A. Minimum

B. Maximum

C. Zero

D. None of these

A. Induced steam jet draught

B. Chimney draught

C. Forced steam jet draught

D. None of these

A. Horizontal fire tube boiler

B. Horizontal water tube boiler

C. Vertical water tube boiler

D. Vertical fire tube boiler

A. Increases

B. Decreases

C. Has no effect on

D. None of these

A. Condenser

B. Condensate pump

C. Air extraction pump

D. All of these

A. Fixed blades

B. Moving blades

C. Both fixed and moving blades

D. None of these

A. When the cross-section of the nozzle increases continuously from entrance to exit

B. When the cross-section of the nozzle decreases continuously from entrance to exit

C. When the cross-section of the nozzle first decreases from entrance to throat and then increases from its throat to exit

D. None of the above

A. To provide proper conditions for continuous complete combustion

B. Mix fuel with air and ignite

C. Separate ash from coal

D. Maintain heat supply to prepare and ignite the incoming fuel

A. Only moving blades

B. Only fixed blades

C. Identical fixed and moving blades

D. Fixed and moving blades of different shape

A. Initial pressure and superheat

B. Exit pressure

C. Turbine stage efficiency

D. All of these