Otto cycle consists of following four processes____________________?
(A) two isothermals and two isentropics
(B) two isentropics and two constant volumes
(C) two isentropics, one constant volume and one constant pressure
(D) two isentropics and two constant pres-sures
(D) none of the above
Thermal power plant works on______________?
(A) Carnot cycle
(B) Joule cycle
(C) Rankine cycle
(D) Otto cycle
(D) Brayton cycle
Kelvin Planck’s law deals with___________________?
(A) conservation of heat
(B) conservation of work
(C) conversion of heat into work
(D) conversion fo work into heat
(D) conservation of mass
The first law of thermodynamics is the law of_________________?
(A) conservation of mass
(B) conservation of energy
(C) conservation of momentum
(D) conservation of heat
(D) conservation of temperature
Stirling and Ericsson cycles are__________________?
(A) reversible cycles
(B) irreversible cycles
(C) quasi-static cycles
(D) semi-reversible cycles
(D) adiabatic irreversible cycles
Reversed joule cycle is called_________________?
(A) Carnot cycle
(B) Rankine cycle
(C) Brayton cycle
(D) Bell Coleman cycle
(D) Dual cycle
Which of the following cycles is not a reversible cycle_____________________?
(A) Carnot
(B) Ericsson
(C) Stirling
(D) Joule
(D) none of the above
The efficiency of Diesei cycle with decrease in cut off_________________?
(A) increases
(B) decreases
(C) remains unaffected
(D) first increases and then decreases
(D) first decreases and then increases
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?
(A) carnot cycle can’t work with saturated steam
(B) heat is supplied to water at temperature below the maximum temperature of the cycle
(C) a rankine cycle receives heat at two places
(D) rankine cycle is hypothetical
(D) none of the above
The following cycle is used for air craft refrigeration___________________?
(A) Brayton cycle
(B) Joule cycle
(C) Carnot cycle
(D) Bell-Coleman cycle
(D) Reversed-Brayton cycle