Actual vs. Ideal Cycles
1 / 10
: To improve actual cycle efficiency, one can:
Minimizing friction and heat losses in actual cycles improves efficiency closer to the ideal case.
2 / 10
The primary difference between ideal and actual cycles is:
Actual cycles include irreversibilities like friction and heat loss, unlike ideal cycles.
3 / 10
In an actual Rankine cycle, the steam quality at the turbine exit is:
Turbine inefficiencies increase entropy, reducing steam quality at the exit compared to the ideal cycle.
4 / 10
The actual Brayton cycle has a lower work output due to:
Inefficiencies in the turbine and compressor reduce the net work output in actual Brayton cycles
5 / 10
Heat transfer in actual cycles is:
Heat transfer in actual cycles involves temperature differences, making it irreversible.
6 / 10
In an actual Rankine cycle, the pump work is:
: Pump inefficiencies in actual cycles increase the work required compared to the ideal cycle.
7 / 10
Turbine efficiency in actual cycles is affected by:
: Blade friction and other losses in the turbine reduce its efficiency in actual cycles.
8 / 10
In an actual Brayton cycle, compressor efficiency is:
Compressor inefficiencies in actual cycles cause entropy increase, reducing overall efficiency.
9 / 10
The primary reason for lower efficiency in actual cycles is:
Actual cycles suffer from friction, heat losses, and other irreversibilities, reducing efficiency.
10 / 10
In an ideal cycle, processes are assumed to be:
Ideal cycles assume reversible processes to maximize efficiency, unlike actual cycles with irreversibilities.
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