What is the drawback of the steam as a working substance in a power cy – McqOptions

MCQOPTIONS

1.	What is the drawback of the steam as a working substance in a power cycle?
A.	in a vapour power cycle, maximum temperature which can be obtained with best available material is more than the critical temperature of water and requires large superheating
B.	it allows only small amount of heat addition at the highest temperature
C.	it requires reheat and reheater tubes are costly
D.	all of the above
Answer» E.

Discussion

No Comment Found

Related MCQs

Carnot cycle is
A body is at a temperature T1 with certain heat capacity and a heat engine is operated between the body and a thermal heat reservoir at temperature (T0). What will be the final temperature of the body when heat engine will stop working?
The mean temperature of heat addition (T) in the Rankine cycle can be increased by
Match the following group 1 items with group 2 items and select the correct option.(1) PMM1 ---------------------------------- (A) Heat pump(2) PMM2 ---------------------------------- (B) Violates the statement that total energy of the universe is constant(3) Reversible heat engine ---------- (C) Violates Kelvin-Planck statement(4) Carnot cycle ------------------------- (D) Reversible process
The efficiency of the Carnot cycle is the function of
How is the Helmholtz functions (F) represented?Where U represents internal energyT represents temperature S represents entropy
How is the Gibbs function (G) represented? Where U represents internal energyT represents temperature S represents entropy
Assume that a reversible heat engine is operating between a source at T1 and a sink at T2. If T2 decreases, the efficiency of the heat engine______
What is the relation between thermodynamic probability and entropy?
Which among the following engines is NOT the type of aircraft gas turbine which works on