Chemical Process Calculation Questions and Answ

Question 1
Marks : +2 | -2
Pass Ratio : 100%
The heat capacity depends on whether the heat is added at constant __________ or constant ________
Volume, Temperature
Pressure, Volume
Pressure, Temperature
Temperature, Pressure
Explanation:
The heat capacity depends on whether the heat is added at constant Pressure or constant Volume.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
For an ideal mono atomic gas
Cp = Cv + 1.5 R
Cp = Cv + R
Cp = Cv – 1.5 R
Cp = Cv – R
Explanation:
For an ideal gas: Cp = Cv + R.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
For a diatomic gas, Cv is
1.5 R
2.5 R
3.5 R
4.5 R
Explanation:
For a diatomic gas Cv = 2.5 R.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
For an mono atomic ideal gas Cv is
1.5 R
2.5 R
3.5 R
4.5 R
Explanation:
For a mono atomic gas Cv = 1.5 R.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
measurement of Cp is _______ than Cv.
Safer
Dangerous
Can`t say
None of the mentioned
Explanation:
Heat capacity measurements at constant volume are dangerous because the container can explode.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant pressure is
Cv
Cp
Latent heat
none of the mentioned
Explanation:
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant pressure is Cv.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Consider He gas an ideal gas, What is Cv for He?
1.5 R
2.5 R
3.5 R
4.5 R
Explanation:
For a diatomic gas Cv = 2.5 R.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Which one of correct relation ?
Cp + Cv = 0
Cp = 1 + R/Cv
1 = Cp/Cv
Cp = R + Cv
Explanation:
Cp = R + Cv.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume is
Cv
Cp
Latent heat
none of the mentioned
Explanation:
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume is Cv.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Consider N2 gas an ideal gas, What is Cv for N2?
1.5 R
2.5 R
3.5 R
4.5 R
Explanation:
For a diatomic gas Cv = 2.5 R.