Oil Processing MCQs : This section focuses on the "Oil Processing". These Multiple Choice Questions (MCQs) should be practiced to improve the Oil Processing skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
After toasting and before Refining, Oil is _____
A. Used
B. Made into pellets by hammer mill and stored
C. Washed
D. All of the mentioned
Question 2
An Oil Press is called _____
A. Expresser
B. Boiler
C. Expeller
D. None of the mentioned
Question 3
Butter made from hydrogenated oils is flakier than naturally saturated oils.
A. TRUE
B. FALSE
Question 4
In Oil refining, oil is _____
A. Filtered / Centrifuged
B. De-acidified / Steam blown through Oil in vacuum
C. Filtered / Centrifuged, De-acidified / Steam blown through Oil in vacuum
D. None of the mentioned
Question 5
In Oil refining, oil is __________
A. De-odorized
B. Bleached
C. De-odorized & Bleached
D. None of the mentioned
Question 6
In Solvent Extraction, the oil and miscella are moved in a ________
A. Co- current fashion
B. Counter- current fashion
C. Cross- current fashion
D. None of the mentioned
Question 7
In the Seed Cooking step of Pre-press Solvent Extraction of oil ________
A. Reducing oil viscosity promotes oil collection
B. Temperature is increased to inactive/denature the enzymes
C. Sometimes, very high temperature affects meal protein
D. All of the mentioned
Question 8
Oil is extracted by _____
A. Mechanical Extraction
B. Pre- Press Solvent Extraction
C. None of the mentioned
D. Mechanical Extraction & Pre- Press Solvent Extraction
Question 9
Oil Refining is a step __________
A. After Oil Extraction
B. Before Oil Extraction
C. Between Oil cooking and flaking in Pre- Press Solvent Extraction
D. None of the mentioned
Question 10
Stripping Solvent off a meal is called _____
A. Toasting
B. Buttering
C. Jamming
D. Milling
Question 11
Which of the following does NOT refer to sparging of oil?
A. Oil is kept in vacuum and heated to smoke point. Water is introduced through the bottom
B. Water gets converted to steam
C. The steam bubbles through the oil and separates water-insoluble impurities
D. None of the mentioned
Question 12
Which of the following is NOT a step in Pre-press Solvent Extraction?
A. Seed Cooking
B. Pressing the flake
C. Solvent Extraction
D. Seed Whipping
Question 13
Which of the following is true about Seed Flaking in Pre-press Solvent Extraction?
A. The flakes have to be very thin
B. The flakes have to be very thick
C. The flakes have to be an optimum size- neither to thick nor too thin
D. None of the mentioned
Question 14
Which of the following is untrue about Solvent extraction of Oil?
A. The most common solvent used is Hexane
B. This process is difficult/complex for small scale operators
C. This suitable for materials containing low percentage of oil
D. None of the mentioned
Question 15
Which of the following is untrue?
A. Saturation might be to -> rancidity
B. As saturation ->, viscosity and MP ->
C. Partial hydrogenation leads to Trans fats which are unhealthy
D. None of the mentioned