Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Material balances for Multi-Unit System – Primary Concept”.
1. ________ combines two or more flow streams.
a) Mixer
b) Splitter
c) Separator
d) Adder
Answer: a
Clarification: Mixer combines two or more flow streams.
2. Apparatus that divides a flow in to two or more streams
a) Mixer
b) Splitter
c) Separator
d) Adder
Answer: b
Clarification: Splitter divides a flow in to two or more streams.
3. Apparatus that produces two or more streams of different composition from the fluid entering the apparatus is called
a) Mixer
b) Splitter
c) Separator
d) Adder
Answer: c
Clarification: Separator produces two or more streams of different composition from the fluid entering the apparatus.
4. Streams produced by a splitter have ________ composition as the feed.
a) Same
b) Different
c) Depends on the splitter
d) None of the mentioned.
Answer: a
Clarification: Streams produced by a splitter have same composition as the feed.
5. __________ is a sequence of boxes, circles and other shapes used to represent operational features of a process flowsheet.
a) Block Diagram
b) Process flow diagram
c) flow chart
d) None of the mentioned
Answer: a
Clarification: Block diagram is a sequence of boxes, circles and other shapes used to represent operational features of a process flow sheet.
6. A graphical representation of a process layout is called
a) Flow sheet
b) Flow diagram
c) Block diagram
d) None of the mentioned
Answer: a
Clarification: A graphical representation of a process layout is called Flow sheet.
7. Correct statement for a well-mixed system is
a) Material within the system has uniform composition
b) Material within the system doesn`t have uniform composition
c) Exit stream have the different composition as the material inside the system
d) None of the mentioned
Answer: a
Clarification: Material within the system have uniform composition.
8. The conversion of a reactant based on the amount of material that enters and leaves a reactor is
a) Once through fraction conversion
b) Overall fraction conversion
c) Percentage conversion
d) None of the mentioned
Answer: a
Clarification: The conversion of a reactant based on the amount of material that enters and leaves a reactors is called once through fraction conversion.
9. The conversion of a reactant in a process with recycle based on the fresh feed of the reactant and the overall products.
a) Once through fraction conversion
b) Overall fraction conversion
c) Percentage conversion
d) None of the mentioned
Answer: b
Clarification: The conversion of a reactant in a process with recycle based on the fresh feed of the reactant and the overall products overall fraction conversion.
10. A designated part of a system is ______
a) Connection
b) Subsystem
c) Reactor
d) Block Diagram
Answer: b
Clarification: A designated part of a system is called Subsystem.