What is the correct answer?


The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

A. rγ - 1

B. 1 - rγ - 1

C. 1 - (1/r) γ/γ - 1

D. 1 - (1/r) γ - 1/ γ

Correct Answer :

D. 1 - (1/r) γ - 1/ γ

Related Questions

The capacity of a strained body for doing work on the removal of the straining… The ultimate tensile stress of mild steel compared to ultimate compressive… An adiabatic process is one in which The temperature at which the volume of a gas becomes zero is called The energy stored in a body when strained within elastic limit is known… The work ratio of simple gas turbine cycle depends upon After reaching the yielding stage while testing a mild steel specimen,… The efficiency of Diesel cycle depends upon Within elastic limit, stress is In case of an under-reinforced beam, the depth of actual neutral axis… Which of the following gas has the highest calorific value? When a body is subjected to a direct tensile stress (σx) in one plane… The gas constant (R) is equal to the __________ of two specific heats. One kilowatt is equal to For riveting, the size of hole drilled in plates is __________ shank diameter… The behaviour of a perfect gas, undergoing any change in the variables… Which is the false statement about true stress strain method? A cylindrical section having no joint is known as The cycle in which heat is supplied at constant volume and rejected at… The shear force diagram of a cantilever beam of length l and carrying… In the below figure, curve D represents_________. When a body is subjected to three mutually perpendicular stresses, of… The fuel mostly used in steam boilers is A beam is loaded as cantilever. If the load at the end is increased, the… The unit of energy is S. I. units is A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The… The maximum stress produced in a bar of tapering section is at Stirling and Ericsson cycles are The smallest quantity of a substance, which can exist by itself in a chemically… The bending moment at a point on a beam is the algebraic ________ of all…