Which of the following cycle consists of two isothemal and two constant volume processes?
A.Stirling cycle
B.Joule cycle
C.Diesel cycle
D.Rankine cycle
E.Otto cycle
Category: Thermodynamics Mcqs
In the regenerative cycle
A.Steam is reheated after expansion and again used
B.Power is generated in two stages
C.Part of the steam is withdrawn from the turbine and is used in heating the steam being supplied to the turbine
D.Part of the steam is withdrawn from the turbine and is used in heating the feed water
E.Part of the steam is withdrawn from the turbine and is utilised in heating the exhaust steam
Which rays have the least wavelength?
A.Irifrared
B.Ultraviolet
C.Radio
D.X-rays
E.Cosmic rays
Cetane number of a diesel fuel is a measure of its
A.volatility
B.viscosity
C.ignition quality
D.delay period
A gs which satisfies the Kinetic theory of gases is known as
A.Manoatomic gas
B.Diatomic gas
C.Real gas
D.Perfect gas
E.None of the above
Reduced pressure is
A.always less than atmospheric pressure
B.always unity
C.an index of molecular position of gas
D.dimensionless
Non-dimensional numbers generally involved in case of heat transfer from horizontal cylinders by natural convection are
A.Reynolds number
B.Nusselt number
C.Prandtl number
D.Grashof number
E.(B), (C) and (D) above
Which of the following cycle is less efficient as compared to the remaining?
A.Carnot cycle
B.Stirling cycle
C.Ericsson cycle
D.Otto cycle
E.All have identical efficiency
