A.Otto cycle is more efficient
B.Brayton cycle is less efficient
C.Brayton cycle is for slow speed engines
D.Brayton cycle requires large air-fuel ratio
E.Large volume of low pressure air cannot be efficiently handled in reciprocating engines
A.adiabatic expansion
B.Joule-Thomson effect
C.adiabatic magnetisation
D.adiabatic demagnetisation
A.Isentropic, isothermal, constant volume, constant pressure
B.Two constant volume, one constant pressure, one isothermal
C.Two isentropic, one constant volume one constant pressure
D.Two constant pressure, one constant volume, one isentropic
E.Two isentropic and two isothermal
A.increase in temperature and increase in pressure
B.increase in temperature and decrease in pressure
C.decrease in temperature and decrease in pressure
D.decrease in temperature and increase in pressure
A.Conduction
B.Convection
C.Radiation
A.96
B.53.3
C.29.97
D.1554
E.848
A.Helium
B.Oxygen
C.Methane
D.Air
E.Nitrogen
A.3 kg/cm2
B.6 kg/cm2
C.9 kg/cm2
D.27 kg/cm2
E.81 kg/cm2
A.Temperature increases gradually
B.Volume remains constant
C.Pressure remains constant
D.Enthalpy change is maximum
E.Change in internal energy is zero
A.Unity
B.0.5
C.Zero
