Chemical Process Calculation Questions and Answer

Terminology

Question 1
Marks : +2 | -2
Pass Ratio : 100%
System is enclosed by
Boundary
Surrounding
Layers
None of the mentioned
Explanation:
A system is enclosed by Boundary.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
A ___________ is any variable whose value depends on how the process takes place.
Path variable
State variable
Neither Path nor State variable
None of the mentioned
Explanation:
A Path variable is any variable whose value depends on how the process takes place.
Question 3
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 .
Question 4
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 5
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 6
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 7
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 8
Marks : +2 | -2
Pass Ratio : 100%
For an adiabatic system, two statements are given as following
Only I is correct
Only II is correct
Both I & II are correct
Neither I nor II correct
Explanation:
Both I and II are the properties of an Adiabatic system.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Any variable whose value depends only on the state of the system is called
Path variable
State variable
Neither Path nor State variable
None of the mentioned
Explanation:
A State variable is any variable whose value depends only on the state, not on the previous history.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
A property that does not dependent on amount of material present in the system is
Extensive property
Intensive property
Neither Intensive nor Extensive
None of the mentioned
Explanation:
A property that does not dependent on amount of material present in the system is Intensive property.