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Heat Transfer Questions

Practice 15 Heat Transfer questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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15
Total Questions
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2
Easy
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12
Medium
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1
Hard
Practice by Exam:Physics(11)General Awareness(1)General Science(1)PHYSICS(1)General Studies(1)

About Heat Transfer — practice questions, PYQs & concepts

Heat Transfer is a frequently-tested topic on Physics, General Awareness, General Science. ExamTest.live currently lists 15 Heat Transfer questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Heat Transfer weight in competitive exams

Across our Heat Transfer question bank, the largest sources are Physics (11), General Awareness (1), General Science (1), PHYSICS (1) and General Studies (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 2 easy Heat Transfer questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Heat Transfer Questions(1–15 of 15)

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Q1mediummcqPhysicsAIEEE 20072026
0% accuracy
One end of a thermally insulated rod is kept at a temperature and the other at . The rod is composed of two sections of lengths and and thermal conductivities and respectively. The temperature at the interface of the two sections is:
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Q2mediummcqGeneral StudiesCompetitive Exam2026
100% accuracy
The heat of the sun reaches us by:
Q3mediummcqPhysicsNEET 20172026
Two rods and of different materials are welded together as shown in figure. Their thermal conductivities are and . The thermal conductivity of the composite rod will be:
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Q4hardmcqPHYSICSNEET 20192026
A deep rectangular pond of surface area , containing water (density = , specific heat capacity = ), is located in a region where the outside air temperature is at a steady value of . The thickness of the ice layer in this pond at a certain instant is . Taking the thermal conductivity of ice as , and its specific latent heat of fusion as , the rate of increase of the thickness of the ice layer, at this instant, would be given by:
Q5mediummcqPhysicsNEET 20212026
A cup of coffee cools from to in minutes, when the room temperature is . The time taken by a similar cup of coffee to cool from to at a room temperature same at is:
Q6mediummcqPhysicsAIEEE2026
The figure shows a system of two concentric spheres of radii and and kept at temperatures and respectively. The radial rate of flow of heat in a substance between the two concentric sphere is proportional to:
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Q7mediummcqPhysicsAIEEE 20092026
A long metallic bar is carrying heat from one of its ends to the other end under steady-state. The variation of temperature along the length of the bar from its hot end is best described by which of the following figure:
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Q8mediummcqGeneral AwarenessSSC Combined Graduate Level Exam2026
The transfer of heat through horizontal movement of air is called __________.
Q9mediummcqGeneral SciencePractice Test2026
Which of the following concepts explains heat transfer through the bulk movement of fluids (liquids or gases)?
Q10mediummcqPhysicsPhysics2026
Good absorbers of heat are:
Q11mediummcqPhysicsWBCS Prelims2026
The freezing chest in refrigerator is kept near the top because
Q12mediummcqPhysicsCompetitive Exam2026
Ventilators are systematically provided near the roof or top of a room because:
Q13mediummcqPhysicsPhysics
0% accuracy
Three identical heat conducting rods are connected in series as shown in the figure. The rods on the sides have thermal conductivity while that in the middle has thermal conductivity . The left end of the combination is maintained at temperature and the right end at . The rods are thermally insulated from outside. In steady state, temperature at the left junction is and that at the right junction is . The ratio is:

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Q14easymcqPhysicsPhysics
The two ends of a rod of length and a uniform cross-sectional area are kept at two temperatures and (). The rate of heat transfer, , through the rod in a steady state is given by:
Q15easymcqPhysicsPhysics
A piece of iron is heated in a flame. It first becomes dull red, then reddish yellow, and finally turns white hot. The correct explanation for this observation is possible using:

Frequently Asked Questions

How many Heat Transfer questions are on ExamTest.live?▼
We have 15 Heat Transfer questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Heat Transfer MCQs free?▼
Yes. All Heat Transfer questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Heat Transfer questions?▼
Heat Transfer questions are commonly asked in Physics, General Awareness, General Science, PHYSICS, General Studies. You can filter by exam using the links above.
How do I practice Heat Transfer questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.