In an evaporator, the heat lost by heating water must be equal to the _____________

sum of heat lost from the evaporator to its surroundings in each step

sum of heat gained by the product and heat lost from the evaporator to its surroundings

sum of heat lost from the evaporator to its surroundings in each step

overall heat lost from the evaporator

Which of the following statements about unit operation performance are correct?Statement 1: Performance of unit operation depends on material handling.

nStatement 2: Optimization of time and movement of material from one unit operation to other is achieved by proper material handling techniques.

Are these statements about the contact equilibrium processes true?Statement 1: Gas absorption, crystallization comes under the category of contact equilibrium processes.

nStatement 2: Contact equilibrium processes does not depend on the concentration gradient.

Unit operation is based on ______________

third law of thermodynamics only

law of conservation of mass only

law of conservation of energy only

law of conservation of mass and energy

third law of thermodynamics only

Which of the following are the unit operations?

Distillation, membrane separation, sampling

Distillation, evaporation, centrifugation

Distillation, membrane separation, sampling

Membrane separation, centrifugation, sampling

Evaporation, centrifugation, sampling

Explore topic-wise MCQs in Food Processing Unit Operations.

This section includes 8 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 mixing not considered as a unit operation?
A.	True
B.	False
Answer» C.

Discussion

2.	Preliminary unit operation in any food industry includes __________
A.	cleaning, sorting
B.	cleaning, drying
C.	grading, drying
D.	sorting, drying
Answer» B. cleaning, drying

Discussion

3.	In an evaporator, the heat lost by heating water must be equal to the _____________
A.	sum of heat gained by the product and heat lost from the evaporator to its surroundings
B.	sum of heat lost from the evaporator to its surroundings in each step
C.	heat gained by the product
D.	overall heat lost from the evaporator
Answer» B. sum of heat lost from the evaporator to its surroundings in each step

Discussion

4.	Which of the following statements about unit operation performance are correct? Statement 1: Performance of unit operation depends on material handling.
A.	nStatement 2: Optimization of time and movement of material from one unit operation to other is achieved by proper material handling techniques.
B.	True, False
C.	True, True
D.	False, True
E.	False, False
Answer» C. True, True

Discussion

5.	Are these statements about the contact equilibrium processes true? Statement 1: Gas absorption, crystallization comes under the category of contact equilibrium processes.
A.	nStatement 2: Contact equilibrium processes does not depend on the concentration gradient.
B.	True, False
C.	True, True
D.	False, True
E.	False, False
Answer» B. True, False

Discussion

6.	Unit operation is based on ______________
A.	law of conservation of mass only
B.	law of conservation of energy only
C.	law of conservation of mass and energy
D.	third law of thermodynamics only
Answer» D. third law of thermodynamics only

Discussion

7.	Which of the following are the unit operations?
A.	Distillation, evaporation, centrifugation
B.	Distillation, membrane separation, sampling
C.	Membrane separation, centrifugation, sampling
D.	Evaporation, centrifugation, sampling
Answer» B. Distillation, membrane separation, sampling

Discussion

8.	The basic operations done in the food process engineering are called as __________
A.	unit operations
B.	processing
C.	process management
D.	unit process
Answer» B. processing

Discussion

Explore topic-wise MCQs in Food Processing Unit Operations.

Is mixing not considered as a unit operation?

Preliminary unit operation in any food industry includes __________

In an evaporator, the heat lost by heating water must be equal to the _____________

Which of the following statements about unit operation performance are correct?Statement 1: Performance of unit operation depends on material handling.

Are these statements about the contact equilibrium processes true?Statement 1: Gas absorption, crystallization comes under the category of contact equilibrium processes.

Unit operation is based on ______________

Which of the following are the unit operations?

The basic operations done in the food process engineering are called as __________

Which of the following statements about unit operation performance are correct?
Statement 1: Performance of unit operation depends on material handling.

Are these statements about the contact equilibrium processes true?
Statement 1: Gas absorption, crystallization comes under the category of contact equilibrium processes.