Heat Transfer Basics MCQs

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

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Heat Transfer Basics. 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 Heat Transfer Basics knowledge to the test? Let's get started with our carefully curated MCQs!

Heat Transfer Basics MCQs | Page 39 of 53

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Q381.
In pipe flow, heat is transferred from hot wall to the liquid by
Discuss
Answer: (c).forced convection and conduction.
Q382.
Which of the following has the minimum absorptivity ?
Discuss
Answer: (a).Aluminium foil
Q383.
A black body when hot, emits heat radiation of __________ wavelengths.
Discuss
Answer: (c).all
Q384.
A composite wall consists of two plates A and B placed in series normal to the flow of heat. The thermal conductivities are kA and kB and the specific heat capacities are CPA and CPB for plates A and B respectively. Plate B has twice the thickness of plate A. At steady state, the temperature difference across plate A is greater than that across plate B, when
Discuss
Answer: (c).kA < 0.5kB
Discuss
Answer: (d).all (a), (b) and (c)
Q386.
Heat transfer by conduction in the turbulent core of a fluid flowing through a heated pipe is negligible, if the value of Prandtl number is
Discuss
Answer: (c).0.6
Q387.
Heat transfer by radiation between two bodies at T1 & T2 and in an ambient temperature of Ta°C depends on
Discuss
Answer: (d).none of these
Q388.
The ratio of momentum diffusivity to thermal diffusivity is the __________ number.
Discuss
Answer: (a).Prandtl
Q389.
For a perfectly transparent surface (like gases), the
Discuss
Answer: (b).transmissivity = 1
Q390.
Water is normally used as a coolant in the heat exchange equipments mainly because of its
Discuss
Answer: (a).abundance & high heat capacity