Chemical Process Calculation Questions and Answer

Terminology

Question 1
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 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%
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 4
Marks : +2 | -2
Pass Ratio : 100%
A system that does not exchange heat with the surroundings during a process is
Adiabatic system
Isobaric system
Isochoric system
Isothermal system
Explanation:
A system that does not exchange heat with the surroundings during a process is Adiabatic system.
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
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 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 8
Marks : +2 | -2
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 9
Marks : +2 | -2
Pass Ratio : 100%
A system that is not in steady state is in a state that is
Transient state
Unsteady state
Both a and b
Neither a nor b
Explanation:
A system that is not in steady state is in a state that is Transient state or Unsteady state.
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.