Chemical Process Calculation Questions and Answer

Terminology

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Which one is not a path variable?
Work
Heat
Internal Energy
None of the mentioned
Explanation:
Internal energy does not depend on the path.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
A system in which the temperature is invariant during a process is
Adiabatic system
Isobaric system
Isochoric system
Isothermal system
Explanation:
A system in which the temperature is invariant during a process is an Isothermal system.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
A system that does not exchange heat with the surroundings during a process is
Adiabatic system
Isobaric system
Isochoric system
Isothermal system
Explanation:
A system that does not exchange heat with the surroundings during a process is Adiabatic system.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Unsteady state is also known as Transient state, the statement is
True
False
Applicable for some systems
None of the mentioned
Explanation:
Unsteady state is also known as Transient state.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
A flow system is also known as
Open System
Closed System
Bounded System
None of the mentioned
Explanation:
A flow system is also known as Open System.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
A system that is open to interchange of mass with the surrounding is called
Open System
Closed System
Bounded System
None of the mentioned
Explanation:
A system that is open to interchange of mass with the surrounding is called Open System.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
A boundary may be movable. The statement is
True
False
Imaginary
None of the mentioned
Explanation:
A boundary may be movable and rigid as well.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Heat is ___________ when transferred to a system.
Positive
Negative
Zero
None of the mentioned
Explanation:
Heat is Positive when transferred to a system.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Heat transfer is caused by
Pressure difference
Temperature difference
Volume difference
None of the mentioned
Explanation:
Heat transfer is caused by Temperature difference.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Heat is negative when transferred to the _____________
System
Surrounding
Boundary
None of the mentioned
Explanation:
Heat is negative when transferred to the surrounding .