The efficiency of a gas turbine is given by
A. $$\frac{{{\text{Net work output}}}}{{{\text{Work done by the turbine}}}}$$
B. $$\frac{{{\text{Net work output}}}}{{{\text{Heat supplied}}}}$$
C. $$\frac{{{\text{Actual temperature drop}}}}{{{\text{Isentropic temperature drop}}}}$$
D. $$\frac{{{\text{Isentropic increase in temperature}}}}{{{\text{Actual increase in temperature}}}}$$
Answer: Option B
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
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
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