Chemical Process Calculation Questions and Answer

Terminology

Question 1
Marks : +2 | -2
Pass Ratio : 100%
A system in which the volume is invariant during a process is
Adiabatic system
Isobaric system
Isochoric system
Isothermal system
Explanation:
A system in which the volume is invariant during a process is an Isochoric system.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
The following is not a type of equilibrium
Mechanical equilibrium
Thermal equilibrium
Chemical equilibrium
None of the mentioned
Explanation:
Mechanical, Chemical and Thermal all are the types of equilibrium.
Question 3
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 4
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 5
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 6
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Pass Ratio : 100%
Boundary may be
Real
Imaginary
Rigid
All of the mentioned
Explanation:
Boundary may be Real, imaginary, rigid.
Question 7
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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 8
Marks : +2 | -2
Pass Ratio : 100%
Volume of a system is
Intensive property
Extensive property
Neither intensive nor Extensive
None of the mentioned
Explanation:
Volume of a system depends on the amount of it present in the system.
Question 9
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 10
Marks : +2 | -2
Pass Ratio : 100%
Which one is an example of _______ phase.
Solid
Liquid
Gas
All of the mentioned
Explanation:
All Solid, Liquid and Gas are the example of a phase.