Mechanical Engineering : Heat Transfer QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Metals are good conductors of heat because |
| their atoms collide frequently |
| thier atoms-are relatively far apart |
| they contain free electrons |
| they have high density |
| all of the above. |
22.Heat flows from one body to other when they have |
| different heat contents |
| different specific heat |
| different atomic structure |
| different temperatures |
| none of the above. |
23.Pick up tne wrong case. Heat flowing from one side to other depends directly on |
| face area |
| time |
| thickness |
| temperature difference |
| thermal conductivity. |
24.The insulation ability of an insulator with the presence of moisture would |
| increase |
| decrease |
| remain unaffected |
| may increase/decrease depending on temperature and thickness of insulation |
| none of the above. |
More Heat Transfer QUESTIONS AND ANSWERS available in next pages
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