Chemical Process Calculation Questions and Answer

Terminology

Question 1
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 2
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.
Question 3
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 4
Marks : +2 | -2
Pass Ratio : 100%
Which one is an intensive variable?
Pressure
Temperature
Volume
All of the mentioned
Explanation:
All three Pressure, Temperature and Volume are intensive variables as these are not depended on the path .
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Observable characteristic of a system is called
Phase
Property
State
None of the mentioned
Explanation:
Observable characteristic of a system is called Property.
Question 6
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 7
Marks : +2 | -2
Pass Ratio : 100%
A process in which no heat transfer takes place (Q=0) is
Isobaric process
Adiabatic process
Isothermal process
None of the mentioned
Explanation:
A process in which no heat transfer takes place (Q=0) is an Adiabatic process.
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 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.
Question 10
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.