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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 1
11.
The processes occuring in open system which permit the transfer of mass to and from the system, are known as
flow processes
non-flow processes
adiabatic processes
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which of the following has the minimum atomic mass?
Oxygen
Sulphur
Nitrogen
Carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Workdone in a free expansion process is
zero
minimum
maximum
positive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.
one-half
one-third
two-third
three-fourth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The compression ratio for petrol engines is
3 to 6
5 to 8
15 to 20
20 to 30
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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