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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 5
1.
The heat capacities for the ideal gas state depend upon the
pressure
temperature
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following will increase the volume of a real gas by four times ?
Doubling the absolute temperature as well as pressure of the gas.
Reducing pressure to one fourth at constant temperature.
Reducing temperature to one fourth at constant pressure.
Reducing the temperature to half and doubling the pressure.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Pick out the wrong statement.
A refriferation cycle violates the second law of thermadynamics.
Refrigeration cycle is normally represented by a temperature vs. entropy plot.
In a refrigerator, work required decreases as the temperature of the refrigerator and the temperature at which heat is rejected increases.
One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The equation, PV = nRT, is best obeyed by gases at
low pressure & high temperature.
high pressure & low temperature.
low pressure & low temperature.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.
0
273
25
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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