constant volume process
adiabatic process
constant pressure process
isothermal process
✅ The correct answer is option C.
Thermodynamics MCQs
Which of the following is the lightest and most volatile liquid fuel?
Gasoline
Kerosene
Fuel oil
✅ The correct answer is option A.
Coal gas is obtained by mixing coal and gas at ambient conditions.
Yes
No
✅ The correct answer is option B.
The constant pressure, constant volume and constant pvn processes are regarded as irreversible process.
TRUE
FALSE
✅ The correct answer is option A.
There is no change in internal energy in an isothermal process.
Correct
Incorrect
✅ The correct answer is option A.
In the first law of thermodynamics, the total energy of the system remains constant.
TRUE
FALSE
✅ The correct answer is option A.
When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.
atomisation
carbonisation
✅ The correct answer is option B.
The specific heat of water is
1.817
2512
4.187
none of these
✅ The correct answer is option C.
The efficiency of Diesel cycle increases with
decrease in cut-off
increase in cut-off
constant cut-off
none of these
✅ The correct answer is option A.
The absolute zero temperature is taken as
-273°C
273°C
237°F
-237°F
✅ The correct answer is option A.