Steam Power Plant - Vapour & Gas Power Cycle - MCQs with Answers

Steam Power Plant - Vapour & Gas Power Cycle - MCQs with Answers

Q1. When two vapor cycles are coupled in series and heat rejected by one is absorbed by another, the cycle is called as

a. Dual vapour cycle
b. Binary vapour cycle
c. Coupled vapour cycle
d. none of the above

View Answer / Hide Answer

Q2. In binary vapour cycle, the cycle which is operated in high pressure ratio is called as

a. bottoming cycle
b. topping cycle
c. upper cycle
d. pressure cycle

View Answer / Hide Answer

Q3. What is the correct formula for brake efficiency of the turbine in vapour power cycle?
Where out flow is as following,

Ideal output(Actual work given to turbine) ----> Internal losses ----> Internal output (Actual work produced by turbine turbine) ----> External losses -----> Brake output (Actual work at the shaft)

a. η_Brake = Brake output / Ideal output
b. η_Brake = Brake output / Internal output
c. η_Brake = Ideal output / Brake output
d. η_Brake = Internal output / Brake output

View Answer / Hide Answer

Q4. What is the relation between brake efficiency, internal efficiency and mechanical efficiency?

a. η_Internal = η_Mech * η_Brake
b. η_Mech = η_Internal * η_Brake
c. η_Brake = η_Internal * η_Mech
d. none of the above

View Answer / Hide Answer