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 40 of 53

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Q391.
A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is
Discuss
Answer: (d).0.15
Q392.
Intermittant tube cleaning is possible to be done in case of a __________ evaporator.
Discuss
Answer: (a).basket type
Q393.
Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is
Discuss
Answer: (a).thin walled having the value of Ao Ai/< 2.
Q394.
Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for
Discuss
Answer: (a).cube
Q395.
Overall heat transfer co-efficient for cooling of hydrocarbons by water is about
Discuss
Answer: (c).50 -100 BTU/hr. ft.²°F
Q396.
For concentrating an aqueous solution of a material like anhydrous Naβ‚‚SOβ‚„, whose solubility decreases with rise in temperature, the most suitable evaporator is a __________ evaporator.
Discuss
Answer: (b).vacuum
Q397.
Circulation pump is located below the evaporater to
Discuss
Answer: (c).create more suction head.
Q398.
The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law.
Discuss
Answer: (c).Wien's displacement
Q399.
Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low
Discuss
Answer: (d).all (a), (b) and(c)
Q400.
Duhring rule is important in solving problems on
Discuss
Answer: (c).evaporation