Chemical Process Calculation Questions and Answer

Terminology

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Adiabatic system is a perfectly insulated system. The statement is
True
False
Applicable for some systems
None of the mentioned
Explanation:
Adiabatic system is a perfectly insulated system.
Question 2
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 3
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 4
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Pass Ratio : 100%
A system in which the pressure is constant during a process is
Adiabatic system
Isobaric system
Isochoric system
Isothermal system
Explanation:
A system in which the pressure is constant during a process is an Isobaric system.
Question 5
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Pass Ratio : 100%
The properties of a system remain invariant under a balance of potential, is
Equilibrium
Phase transition
Transient phase
None of the mentioned
Explanation:
The properties of a system remain invariant under a balance of potential, is Equilibrium.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Everything outside a system boundary is
Surrounding
Boundary line
Open system
Closed system
Explanation:
Everything outside a system boundary is Surrounding.
Question 7
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Pass Ratio : 100%
The surface that separates a system from the surrounding is called
Boundary
Surface
Surrounding
None of the mentioned
Explanation:
The surface that separates a system from the surrounding is called Boundary.
Question 8
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 9
Marks : +2 | -2
Pass Ratio : 100%
A part of a system that is physically distinct and macroscopically homogeneous of fixed or variable composition is known as
Concentration
State
Phase
None of the mentioned
Explanation:
A part of a system that is physically distinct and macroscopically homogeneous of fixed or variable composition is known as phase.
Question 10
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.