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Dielectric Heating MCQ Questions And Answers - Heat Transfer

Dielectric Heating MCQs : This section focuses on the "Dielectric Heating" in Heat Transfer. These Multiple Choice Questions (MCQs) should be practiced to improve the Heat Transfer skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Dielectric heating is also termed as _____________.

A. radio frequency
B. capacitive
C. electric heating
D. All of the above

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Question 2

In Dielectric Heating Circuit Diagram, The system is included with two metal plates also called?

A. proton
B. neutrod
C. electrodes
D. None of the above

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Question 3

Which of the following are Advantages of Dielectric Heating?

A. Heating can be done only for the substances that have a high-level of dielectric losses.
B. Dielectric heating is appropriate for non-conducting substances
C. The utilization of high-frequency ranges might produce radio interferences.
D. The whole efficiency of the dielectric heating is too minimal

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Question 4

What are the applications of dielectric heating?

A. Preheating of Plastic Upgrades
B. Wood Gluing
C. Baking of Foundry Cores
D. All of the above

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Question 5

_____________ is used for heating a dielectric material in the altering electric field.

A. dielectric gain
B. dielectric equlizer
C. dielectric loss
D. None of the above

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Question 6

Do radio waves produce heat?

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 7

Which one of the following materials are quickly heated by applying high frequency?

A. Engines
B. Textiles
C. Rubber
D. Coal

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Question 8

Generally heat generated depends on some parameters. It is directly proportional to

A. Time
B. Conductivity
C. Voltage
D. Distance between plates

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Question 9

The insulating material used in dielectric heating is

A. Coal
B. Silver
C. Coin
D. Wool

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Question 10

Electric heat is totally efficient where the received electrical energy is completely transformed as heat.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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