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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 5
1.
For the same maximum pressure and temperature,
Otto cycle is more efficient than Diesel cycle
Diesel cycle is more efficient than Otto cycle
Dual cycle is more efficient than Otto and Diesel cycles
Dual cycle is less efficient than Otto and Diesel cycles
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a steady flow process, the rate of
heat transfer is constant
work transfer is constant
mass flow at inlet and outlet is same
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The entropy of the universe is continually on the increase.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Select the correct statement as per Charles' law
p.v = constant, if T is kept constant
v/T = constant, if p is kept constant
p/T = constant, if v is kept constant
T/p = constant, if v is kept constant
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The unit of energy is S. I. units is
Joule (J)
Joule metre (Jm)
Watt(W)
Joule/metre (J/m)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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