Explore topic-wise MCQs in Dairy Engineering.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Dairy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Fat is added back to skim milk in the process of standardization.

A. True
B. False
Answer» B. False
2.

500 kg of milk testing 6.5% fat to be standardized to 3.1% fat using skim milk containing 0.05% fat. Therefore, the quantity of skim milk required to be added to 500 kg whole milk will be?

A. 557.38 kg
B. 440 kg
C. 850 kg
D. 500 kg
Answer» B. 440 kg
3.

How much whole milk with 3.9% fat and skimmed milk with 0.04% fat content will you need to produce 2000 kg of standardized milk with 2.5% fat?

A. 725.4 kg
B. 825.4 kg
C. 925.4 kg
D. 715.4 g
Answer» B. 825.4 kg
4.

A decanter centrifuge is a machine for continuous sedimentation of suspended solids from a liquid by the action of ________in an elongated, horizontal rotating bowl.

A. Centrifugal force
B. Gravitation force
C. Friction force
D. Force of resistance
Answer» B. Gravitation force
5.

The amount of bactofugate from the two-phase Bactofuge ______ as compared to one-phase Bactofuge.

A. More
B. Less
C. Constant
D. Variable
Answer» B. Less
6.

Which of the factor does not affect the precision in standardization process?

A. Fluctuations in the fat content of the incoming milk
B. Fluctuations in throughput
C. Fluctuations in preheating temperature
D. Fluctuation in protein content
Answer» E.
7.

Which of the following method is used in a standardization of milk?

A. Pearson square method
B. Donald method
C. Jake method
D. Pearson cube method
Answer» B. Donald method
8.

A_DECANTER_CENTRIFUGE_IS_A_MACHINE_FOR_CONTINUOUS_SEDIMENTATION_OF_SUSPENDED_SOLIDS_FROM_A_LIQUID_BY_THE_ACTION_OF_________IN_AN_ELONGATED,_HORIZONTAL_ROTATING_BOWL.?$

A. Centrifugal force
B. Gravitation force
C. Friction force
D. Force of resistance
Answer» B. Gravitation force
9.

500 kg of milk testing 6.5% fat to be standardized to 3.1% fat using skim milk containing 0.05% fat. Therefore, the quantity of skim milk required to be added to 500 kg whole milk will be?$

A. 557.38 kg
B. 440 kg
C. 850 kg
D. 500 kg
Answer» B. 440 kg
10.

How much whole milk with 3.9% fat and skimmed milk with 0.04% fat content will you need to produce 2000 kg of standardized milk with 2.5% fat?$

A. 725.4 kg
B. 825.4 kg
C. 925.4 kg
D. 715.4 g
Answer» B. 825.4 kg
11.

Fat is added back to skim milk in the process of standardization. State true or false?

A. True
B. False
Answer» B. False
12.

How many parts by weight of 40% cream and 3% milk must be mixed to make milk testing 5% fat?

A. 2 and 35
B. 4 and 45
C. 5 and 10
D. 6 and 12
Answer» B. 4 and 45
13.

Which of the following standardization is more desirable in large-scale operation?

A. Continuous
B. Batch
C. No standardization
D. Centrifugation
Answer» B. Batch
14.

The amount of bactofugate from the two-phase Bactofuge ______ as compared to one-phase Bactofuge?

A. More
B. Less
C. Constant
D. Variable
Answer» B. Less
15.

Major Application of Bactofugation is in which of the following processing?

A. Wine processing
B. Juice processing
C. Cheese processing
D. Ice cream processing
Answer» D. Ice cream processing
16.

Which of the following device is used in Bactofugation?

A. Decanter
B. Centrifuge
C. Bactofuge
D. Filter
Answer» B. Centrifuge
17.

What is the objective of Bactofugation?

A. Separate microorganisms from milk
B. Separate fat from skim milk
C. Standardize milk
D. Separate fat globules
Answer» B. Separate fat from skim milk
18.

The cream fat content is _______ to the flow rate.

A. Inversely proportional
B. Directly proportional
C. Neither inversely proportional nor directly proportional
D. Increased
Answer» B. Directly proportional
19.

Which of factor does not affect the precision in standardization process?

A. Fluctuations in the fat content of the incoming milk
B. Fluctuations in throughput
C. Fluctuations in preheating temperature
D. Fluctuation in protein content
Answer» E.
20.

The pressure in the skim milk outlet must be kept _______ in order to enable accurate standardization.

A. High
B. Low
C. Constant
D. Steep
Answer» D. Steep
21.

Which of the following method is used in standardization of milk?

A. Pearson square method
B. Donald method
C. Jake method
D. Pearson cube method
Answer» B. Donald method
22.

Standardization of milk involved which of the following?

A. Adjustment of fat content
B. Breakdown of protein
C. Whitish appearance of milk
D. Increase in nutritional content of milk
Answer» B. Breakdown of protein