Carnot cycle efficiency is maximum when
A. Initial temperature is 0°K
B. Final temperature is 0°K
C. Difference between initial and final temperature is 0°K
D. Final temperature is 0°C
Answer: Option B
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
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Addition of heat at constant pressure to a gas results in
A. Raising its temperature
B. Raising its pressure
C. Raising its volume
D. Raising its temperature and doing external work
Which of the following items is not a path function?
A. Heat
B. Work
C. Kinetic energy
D. Thermal conductivity
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is
A. Feasible
B. Impossible
C. Possible
D. Possible, but with lot of sophistications
The absolute zero pressure can be attained at a temperature of
A. 0°C
B. -273°C
C. 273 K
D. None of these
Temperatures should be in Kelvin, so the answer is 0 K
kuch to gadbad hai daya?
When the Carnot cycle efficiency will be maximum?
When the initial temperature of cycle is at 0°C.
When the initial temperature is at 100°C.
When the maximum temperature of cycle is at 0°C.
When the final temperature of cycle is at 0°C.