Power Plant

What is the correct sequence of processes involved in Rankine cycle?

• Compression, heat addition, heat rejection and expansion

• Heat addition, compression, heat rejection and expansion

• Compression, heat addition, expansion and heat rejection

• Heat rejection, compression, expansion and heat rejection

What are the primary causes of irreversibilities in Rankine cycle

• Fluid friction

• Heat loss to surrounding

• Both A and B

• None

Actual work done in boiler feed pump and turbine_____ and ______ than isentropic work done respectively.

• Higher, Lower

• Lower, Higher

• Higher, Higher

• Lower, Lower

What is the design value of circulation ratio in boiler?

• Always <1

• <6

• >25

• 6 to 25

Which type of super heater gets maximum heat gain and nearest to flame?

• Pendant

• Convective

• Radiant

• Economiser

Which component helps in improvement of boiler efficiency only?

• MSSV

• Fusible plug

• Steam trap

• Feed check valve