Chemical Process Calculation Questions and Answer

Terminology

Question 1
Marks : +2 | -2
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 2
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 3
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 4
Marks : +2 | -2
Pass Ratio : 100%
The quantity of matter or region of space chosen for study is called
Boundary
Surrounding
System
None of the mentioned
Explanation:
The quantity of matter or region of space chosen for study is called System.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
The properties of a system are invariant in a state, called
Transition state
Steady state
Unsteady state
None of the mentioned
Explanation:
The properties of a system are invariant in a state, that is called Steady state.
Question 6
Marks : +2 | -2
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 7
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 8
Marks : +2 | -2
Pass Ratio : 100%
Density of a material is an
Extensive property
Intensive property
Neither Intensive nor Extensive
None of the mentioned
Explanation:
Density of a material doesn`t depend on the mass. It is equal for each amount of a specific material.
Question 9
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 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.