Conduction With Heat Generation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Conduction With Heat Generation, a fundamental topic in the field of Heat Transfer. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Conduction With Heat Generation 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 Conduction With Heat Generation mcq questions that explore various aspects of Conduction With Heat Generation problems. Each MCQ is crafted to challenge your understanding of Conduction With Heat Generation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Heat Transfer tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Conduction With Heat Generation MCQs are your pathway to success in mastering this essential Heat Transfer topic.

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

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Conduction With Heat Generation MCQs | Page 3 of 3

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Q21.
Suppose heat is conducted due to electrons
Where, i = I/A and p is the resistivity, then
Discuss
Answer: (c).q g = i² p
Q22.
In case when both the surfaces of plane wall are at different temperature, we get an expression i.e.

T MAX – T W2 /T W1 – TW2 = (B + 1)²/4B

What is the value of B?
Discuss
Answer: (a).(q g) (δ)²/2k (T W1 – TW2)
Q23.
Which one of the following materials are quickly heated by applying high frequency?
Discuss
Answer: (a).Textiles
Q24.
Generally heat generated depends on some parameters. It is directly proportional to
Discuss
Answer: (c).Voltage
Q25.
Consider a 1.2 m thick slab of poured concrete (k = 1.148 W/m degree) with both of side surfaces maintained at a temperature of 20 degree Celsius. During its curing, chemical energy is released at the rate of 80 W/m³. Workout the maximum temperature of concrete
Discuss
Answer: (b).29.73 degree celsius
Q26.
The insulating material used in dielectric heating is
Discuss
Answer: (d).Wool
Q27.
Unit of specific resistance is
Discuss
Answer: (a).Ohm mm²/m
Q28.
What maximum thickness of concrete can be poured without causing the temperature gradient to exceed 98.5 degree Celsius per meter anywhere in the slab? Consider a 1.2 m thick slab of poured concrete (k = 1.148 W/m degree) with both of side surfaces maintained at a temperature of 20 degree Celsius. During its curing, chemical energy is released at the rate of 80 W/m³. Workout the maximum temperature of concrete
Discuss
Answer: (b).3.64 m
Q29.
Dielectric heating apparatus consists of
Discuss
Answer: (b).Elemental strip
Q30.
A slab of insulating material of thickness 6 cm and thermal conductivity 1.4kJ/m hr deg is placed between and is in contact with two parallel electrodes, and is then subjected to high frequency dielectric heating at a uniform rate of 140,000kJ/m³ hr. At steady state coefficients of combined radiation and convection are 42 and 48 kJ/m² hr deg. If atmospheric temperature is 25 degree Celsius, find surface temperatures?
Discuss
Answer: (c).121.60 degree Celsius and 115.45 degree Celsius
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