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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 1
21.
Carbonisation of coal consists of
drying and crushing the coal to a fine powder
moulding the finely ground coal under pressure with or without a binding material
heating the wood with a limited supply of air to temperature not less than 280°C
none of the above
Answer: Option
Explanation:
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22.
The efficiency of Stirling cycle is __________ Carnot cycle.
greater than
less than
equal to
Answer: Option
Explanation:
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23.
According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
True
False
Answer: Option
Explanation:
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24.
There is no change in internal energy in an isothermal process.
Correct
Incorrect
Answer: Option
Explanation:
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25.
If the value of n = 0 in the equation pvn = C, then the process is called
constant volume process
adiabatic process
constant pressure process
isothermal process
Answer: Option
Explanation:
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