Dive into the fascinating world of Heat Transfer with our comprehensive collection of multiple-choice questions and answers. Whether you're a student studying physics, an engineer designing thermal systems, or simply curious about the movement of heat, our meticulously curated selection covers a wide range of topics. Explore fundamental concepts such as conduction, convection, and radiation, as well as practical applications in everyday life and industrial processes. With our user-friendly interface and detailed explanations, mastering the complexities of heat transfer has never been more engaging and accessible. Start your journey towards understanding the transfer of thermal energy today!
1. Thermal diffusivity is
2. Which of the following has maximum value of thermal conductivity
3. Which of the following is the case of heat transfer by radiation
4. Sensible heat is the heat required to
5. Total heat is the heat required to
6. Thermal conductivity of glass-wool varies from sample to sample because of variation in
7. When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by
8. When heat is transferred form hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by
9. When heat is Transferred by molecular collision, it is referred to as heat transfer by
10. Heat transfer in liquid and gases takes place by
11. Heat flows from one body to other when they have
12. The amount of heat flow through a body by conduction is
13. Thermal diffusivity of a substance is
14. Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in
15. Pick up the wrong case. Heat flowing from one side to other depends directly on
16. Cork is a good insulator because it has
17. Which of the following has least value of conductivity
18. Moisture would find its way into insulation by vapour pressure unless it is prevented by
19. Which of the following is a case of steady state heat transfer
20. The insulation ability of an insulator with the presence of moisture would
21. Thermal conductivity of solid metals with rise in temperature normally
22. Thermal conductivity of non-metallic amorphous solids with decrease in temperature
23. Thermal conductivity of water in general with rise in temperature
24. Thermal conductivity of air with rise in temperature
25. Heat transfer by radiation mainly depends upon
26. The thermal diffusivities for solids are generally
27. Heat is closely related with
28. Thermal diffusivity of a substance is .
29. All radiations in a black body are
30. Which of the following is expected to have highest thermal conductivity
31. Metals are good conductors of heat because
32. Which of the following property of air does not increase with rise in temperature
33. Temperature of steam at around 540°C can be measured by
34. Heat transfer takes place as per
Spreading Knowledge Across the World
USA - United States of America Canada United Kingdom Australia New Zealand South America Brazil Portugal England Scotland Norway Ireland Denmark France Spain Poland Netherland Germany Sweden South Africa Ghana Tanzania Nigeria Kenya Ethiopia Zambia Singapore Malaysia India Pakistan Nepal Taiwan Philippines Libya Cambodia Hong Kong China UAE - Saudi Arabia Qatar Oman Kuwait Bahrain Dubai Israil and many more....