Motors are treated in the thermodynamics as a [Select] system a) warm b) cold c) closed (d) open The combustion of...

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Physics

Motors are treated in the thermodynamics as a [Select]system
a) warm
b) cold
c) closed
(d) open

The combustion of the fuel is replaced by [Select 1] and theexhaust gases [Select 2]
[Select 1]
(a) cold air
b) compression
c) expansion
d) heat supply

[Select 2]
(a) hot air
b) compression
c) expansion
d) heat supply

In an ideal Otto Cycle, expansion work is done [Select 1] butfor a Stirling cycle it does [Select 2].
[Select 1]
a) isothermal
b) isobaric
c) isenthalpic
(d) isokort
c) isentropic

[Select 2]
a) isothermal
b) isobaric
c) isenthalpic
(d) isokort
c) isentropic

For a long time, Brayton cycles were mainly improved byraising [Select 1] at the inlet to the turbine, however, in recenttimes, the improvement work has mainly revolved around lowering[Select 2] and implementing [Select 3] in the cycle.

[Select 1]
a) the pressure
b) the flow
c) entropy
(d) the temperature

[Select 2]
a) the pressure increase
b) the flow losses
c) the entropy generation
d) the enthalpy generation

Answer & Explanation Solved by verified expert

3.8 Ratings (415 Votes)

1 Thermodynamics basically deals with 2 systems ie open and closed system Open system is that system in which matter interacts with surroundings In Closed system matter does not interacts with surroundings System remains isolated from the See Answer

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