How is electric energy calculated in a unit operation?

Energy = (power time) + pressure

What are the properties to be considered for designing a unit operation equipment?

Only Physical properties and mechanical properties

Only Chemical properties and mechanical properties

Only Physical properties and chemical properties

Physical, chemical, mechanical properties

Which of the following statements about First law of thermodynamics are correct?Statement 1: The First Law of Thermodynamics is a statement of energy conservation.

nStatement 2: Energy cannot be created or destroyed it can be converted from one form to another.

Are these statements about the mass balance true?Statement 1: Total mass of the system will remain the same but the constituent s parts may change.

nStatement 2: Chemical and biological changes affect the mass balance of a unit operation.

A processing unit is producing a product of 100kg which must contain 15% of fat and this is to be made up from component A with 23% of fat and from component B with 5% of fat. What are the proportions in which these should be mixed?

32.13kg of component A to 67.87kg of component B

44.4 kg of component A to 55.6kg of component B

67.87kg of component A to 32.13kg of component B

55.6 kg of component A to 44.4kg of component B

32.13kg of component A to 67.87kg of component B

Which of the following is considered in a continuous process?

Mass balance, energy balance and time

Explore topic-wise MCQs in Food Processing Unit Operations.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.

1.	Is heat and temperature same?
A.	True
B.	False
Answer» C.

Discussion

2.	How is electric energy calculated in a unit operation?
A.	Energy = power time
B.	Energy= power /time
C.	Energy = power + time
D.	Energy = (power time) + pressure
Answer» B. Energy= power /time

Discussion

3.	What are the properties to be considered for designing a unit operation equipment?
A.	Only Physical properties and mechanical properties
B.	Only Chemical properties and mechanical properties
C.	Only Physical properties and chemical properties
D.	Physical, chemical, mechanical properties
Answer» E.

Discussion

4.	What type of energy is enthalpy?
A.	Internal potential energy
B.	Kinetic energy
C.	Dynamic kinetic energy
D.	It is not a type of energy
Answer» E.

Discussion

5.	Which of the following statements about First law of thermodynamics are correct? Statement 1: The First Law of Thermodynamics is a statement of energy conservation.
A.	nStatement 2: Energy cannot be created or destroyed it can be converted from one form to another.
B.	True, False
C.	True, True
D.	False, True
E.	False, False
Answer» C. True, True

Discussion

6.	Which heat energy form is called as hidden energy?
A.	Specific heat
B.	Latent heat
C.	Sensible heat
D.	Radiation energy
Answer» C. Sensible heat

Discussion

7.	Are these statements about the mass balance true? Statement 1: Total mass of the system will remain the same but the constituent s parts may change.
A.	nStatement 2: Chemical and biological changes affect the mass balance of a unit operation.
B.	True, False
C.	True, True
D.	False, True
E.	False, False
Answer» B. True, False

Discussion

8.	A processing unit is producing a product of 100kg which must contain 15% of fat and this is to be made up from component A with 23% of fat and from component B with 5% of fat. What are the proportions in which these should be mixed?
A.	44.4 kg of component A to 55.6kg of component B
B.	67.87kg of component A to 32.13kg of component B
C.	55.6 kg of component A to 44.4kg of component B
D.	32.13kg of component A to 67.87kg of component B
Answer» D. 32.13kg of component A to 67.87kg of component B

Discussion

9.	Which of the following is considered in a continuous process?
A.	Mass balance
B.	Energy balance
C.	Time
D.	Mass balance, energy balance and time
Answer» E.

Discussion

10.	What type of energy is considered in enthalpy balance?
A.	Heat only
B.	Heat and mass only
C.	Mass only
D.	Heat and potential energy only
Answer» B. Heat and mass only

Discussion

Explore topic-wise MCQs in Food Processing Unit Operations.

Is heat and temperature same?

How is electric energy calculated in a unit operation?

What are the properties to be considered for designing a unit operation equipment?

What type of energy is enthalpy?

Which of the following statements about First law of thermodynamics are correct?Statement 1: The First Law of Thermodynamics is a statement of energy conservation.

Which heat energy form is called as hidden energy?

Are these statements about the mass balance true?Statement 1: Total mass of the system will remain the same but the constituent s parts may change.

A processing unit is producing a product of 100kg which must contain 15% of fat and this is to be made up from component A with 23% of fat and from component B with 5% of fat. What are the proportions in which these should be mixed?

Which of the following is considered in a continuous process?

What type of energy is considered in enthalpy balance?

Which of the following statements about First law of thermodynamics are correct?
Statement 1: The First Law of Thermodynamics is a statement of energy conservation.

Are these statements about the mass balance true?
Statement 1: Total mass of the system will remain the same but the constituent s parts may change.