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

A. Pressure increases while velocity decreases

B. Pressure decreases while velocity increases

C. Pressure and velocity both decreases

D. Pressure and velocity both increases

A. Convection

B. Radiation

C. Conduction

D. Radiation and conduction

A. Less

B. More

C. Equal

D. May be less or more depending on temperature

A. Frictional losses

B. It is not possible to achieve 0°K temperature

C. Leakage

D. Non availability of ideal substance

A. Stationary fire tube type

B. Horizontal type

C. Natural circulation type

D. All of the above

A. Longitudinally

B. Circumferentially

C. On dished end

D. Anywhere

A. Steam temperature remains constant

B. Steam pressure remains constant

C. Steam enthalpy remains constant

D. Steam entropy remains constant

A. To provide an adequate supply of air for the fuel combustion

B. To exhaust the gases of combustion from the combustion chamber

C. To discharge the gases of combustion to the atmosphere through the chimney

D. All of the above

A. Steam jet

B. Centrifugal fan

C. Chimney

D. Both (A) and (B)

A. Steam jet

B. Centrifugal fan

C. Chimney

D. Both (A) and (B)