Technology of Grains — Summer 2021

Enlist the specific difference(s) between brown rice and white rice.

Write a short note on ‘refining of crude oil’.

Explain the rice grain cracking mechanism during drying and suggest the remedial measures.

State the industrial applications of corn and its derived products.

Distinguish between whole mill flour and straight run flour.

Explain the working mechanism of Beall Degermer with neat sketch and mention its application.

Explain the various factors affecting milling characteristics of pulses.

Define/explain the terms:

Pitting of legumes ii) Anti-nutritional factors iii) Aspiration

Explain the working mechanism of continuous magnetic separator with neat sketch.

Give a flow diagram of Commercial method of pulse milling and explain the principal steps involved in commercial milling.

Enlist the advantages and disadvantages of rice polishing.

Explain the important features of Modern methods of pulse milling over traditional methods.

Explain the dehusking of paddy using the rubber roll sheller.

Enlist the species of wheat and state their importance.

State the advantages and limitations of solvent extraction method over mechanical methods.

Explain the process of extraction of corn starch by wet milling method.

Write a short note on ‘hydrogenation of oil’.

What is conditioning of wheat? Explain the process of wheat conditioning.

Explain the working of:

Screw press ii) Hydraulic press

State the nutritional value of cereals and pulses.

Explain the nature of soft and waxy varieties of corn.

Explain the air classification of speciality wheat flours.

State the advantages of parboiling of paddy.

Write short note on ‘Supply Chain of Food Grains’

Explain the various pre-treatments required to oilseeds prior to oil extraction.