Food Engineering and Heat Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Food Engineering and Heat Transfer, a fundamental topic in the field of Food Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Food Engineering and Heat Transfer MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Food Engineering and Heat Transfer mcq questions that explore various aspects of Food Engineering and Heat Transfer problems. Each MCQ is crafted to challenge your understanding of Food Engineering and Heat Transfer principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Food Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Food Engineering and Heat Transfer MCQs are your pathway to success in mastering this essential Food Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Food Engineering and Heat Transfer. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Food Engineering and Heat Transfer knowledge to the test? Let's get started with our carefully curated MCQs!

Food Engineering and Heat Transfer MCQs | Page 4 of 8

Q31.
Фᵥ is generally taken as 1 in food processing as generally very high wall temperatures aren’t reached and hence (µ/µw) * 0.14 is 1 as there isn’t much difference in µ and µw.
Discuss
Answer: (b).False, False
Q32.
Statement 1: Sieder-Tate and Dittus-boelter equations imply only to laminar flow conditions.
Statement 2: Under laminar conditions, the same equation applies both to Newtonian and Non-Newtonian fluids.
Discuss
Answer: (c).False, False
Q33.
Dittus-boelter equation is applicable for fluids with phase change.
Discuss
Answer: (b).False
Q34.
Statement 1: Radiation is the transfer of heat by electromagnetic waves.
Statement 2: When heat is radiated from a hot source, the amount of heat received by the body depends on the nature of the body.
Discuss
Answer: (b).True, True
Q35.
Statement 1: Radiation needs a medium to travel.
Statement 2: Thermal radiation takes place at a certain temperature for every body.
Discuss
Answer: (c).False, False
Q36.
Statement 1: Radiation is NOT heat.
Statement 2: Maximum value of absorptivity is 1.
Discuss
Answer: (b).True, True
Q37.
The emission of radiation by any body is independent of the radiation by any body next to it.
Discuss
Answer: (a).True
Q38.
A food industry keeps food cool in a very crude manner, by radiation. It paints its walls white and not black, because of _____
Discuss
Answer: (a).Kirchhoff’s Law
Q39.
Which of the following reason does NOT affect radiation between two parallel bodies?
Discuss
Answer: (a).Angle of vision
Q40.
Freezer is at -18 °C. Will will be Radiative heat transfer if meat is at 298k, its emissivity is 0.82 and average area is 0.045m².
Either use Stefan Boltzmann law or take hᵣ (radiative heat transfer co-efficient) as 0.227.

ε = ( Tₐᵥ/100 )³
Discuss
Answer: (a).7.61
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