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Physical Characteristics of Grains Importance

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Physical Characteristics of Grains Importance

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Questions and Answers

Why is it important to study the physical properties of grains?

To analyze the chemical composition of grains

To design machines and structures for production and storage (correct)

To estimate the market value accurately

To determine the taste and color of the grains

What is a key application of solving problems related to heat and mass transfer in grain processing?

Improving the quality of grain storage

Enhancing the aroma of grains

Enhancing the shelf life of grains (correct)

Increasing the weight of the grains

How are shape and size related when describing a physical object?

Only shape influences the physical properties of an object

Size is crucial, while shape is optional

Both are necessary for a complete description of an object (correct)

Shape is irrelevant when considering size

Which criteria can be used to describe the shape and size of grains?

Comparison with a charted standards Signup and view all the answers

What is a characteristic used to classify types of paddy based on ISO standards?

Length/width ratio Signup and view all the answers

What is a possible disadvantage of defining product shape using standard charts and descriptive terms?

It is a subjective assessment prone to personal bias. Signup and view all the answers

How can the axial dimensions of a sample be measured according to the text?

By tracing the outline of the sample's projection with a photographics enlarger. Signup and view all the answers

Why is the surface area of a product, such as paddy grain, important according to the text?

It affects porosity, angle of repose, and angle of friction. Signup and view all the answers

In the context of rice particles, what length characterizes brewer's rice?

Less than 3/8 of the whole unbroken milled rice kernel length. Signup and view all the answers

What defines a large broken milled grain in terms of length compared to the whole unbroken milled rice kernel?

Between 3/8 and 6/8 of the length. Signup and view all the answers