# Poultry Products Processing Questions and Answers – Grading of Shell Eggs – Set 2

This set of Poultry Products Processing Multiple Choice Questions & Answers (MCQs) focuses on “Grading of Shell Eggs – Set 2”.

1. What is float test?
a) It measures the egg freshness
b) It measures the egg diameter
c) It measures the egg height
d) It measures the egg area

Explanation: During the float test of the egg, if it sinks to the bottom then it is very fresh. If the egg sinks but floats at an angle, then the egg is a bit older. If the egg float, then it is too old and should be discarded immediately.

a) It helps in the process of identification, classification and separation
b) It helps in the process of identification
c) It helps in the process of classification
d) It helps in the process of classification and separation

Explanation: Grading separates the eggs into a number of uniform categories according to physical and quality characteristics of economic importance. It is a process of identification, classification and separation.

3. What is the weight of jumbo eggs according to USDA?
a) 70 g and above
b) 65-70 g
c) 56-65 g
d) 49-56 g

Explanation: According to United States Department of Agriculture, the weight of jumbo eggs is 70g and above. These are relatively rare. The egg white increases proportionally with the size of the egg. But the jumbo eggs are still the cheapest in unit cost.

4. What is the weight of extra-large eggs according to USDA?
a) 70 g and above
b) 65-70 g
c) 56-65 g
d) 49-56 g

Explanation: According to United States Department of Agriculture, the weight of the extra-large eggs is 65-70g. Eggs of any quality grade may differ in weight. Egg grading is a voluntary service where it involves sorting of eggs.

5. What is the weight of large eggs according to USDA?
a) 70 g and above
b) 65-70 g
c) 56-65 g
d) 49-56 g

Explanation: According to United States Department of Agriculture, the weight of the large size eggs is 56-65g. It is commonly used in the cooking and baking process. All the recipes used in the baking uses large eggs.

6. What is the weight of medium size eggs according to USDA?
a) 70 g and above
b) 65-70 g
c) 56-65 g
d) 49-56 g

Explanation: According to United States Department of Agriculture, the weight of the medium size eggs is 49-56g. The yolks are 50% moisture, 30% fat, and 20% protein. Egg yolks are high in protein, fat and cholesterol.

7. What is the weight of small size eggs according to USDA?
a) 42- 49 g
b) 65-70 g
c) 56-65 g
d) 49-56 g

Explanation: According to United States Department of Agriculture, the weight of the small size eggs is 42-49g. An egg basically consists of three parts like shell, egg white and egg yolk. An egg from a hen consists of 2/3 egg white and 1/3 egg yolk.

8. What is Haugh unit of egg?
a) It measures the egg quality
b) It measures the egg diameter
c) It measures the egg height
d) It measures the egg area

Explanation: The Haugh unit is a measure of egg quality. The test was introduced by Raymond Haugh. It remains an important industry measure of egg quality. The Haugh units are directly correlated to egg grading criteria.

9. What is the basis of Haugh unit?
a) It is based on the height of the egg white
b) It is based on the height of the egg yolk
c) It is based on the diameter of the egg
d) It is based on the diameter of the egg white

Explanation: The Haugh unit is based on the height of the egg white. It measures the egg protein quality. The industry measures shell thickness and strength of the egg along with the Haugh unit. It is an important parameter in checking the egg quality.

10. Eggs at room temperature maintain their freshness for about 10 to 12 days.
a) True
b) False

Explanation: Eggs can lose as much quality in one day at room temperature as compared to 4 to 5 days in the refrigerator. The eggs at room temperature maintain their freshness for about 10 to 12 days after being laid.

Sanfoundry Global Education & Learning Series – Poultry Products Processing.

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