Engineering :: Heat Transfer
|
|
|
|
|
|
| |
The thermal conductivity of a perfect heat insulator is
|
| [A]. |
zero | [B]. |
infinity
|
| [C]. |
one | [D]. |
between zero and infinity |
|
|
|
Niraj kumar said:
|
|
| |
| Answer BIs right |
|
Niraj kumar said:
|
|
| |
| The thermal conductivity of a perfect heat insulator is zero. |
|
sakshi said:
|
|
| |
| answer should be zero..thermal conductivity of a perfect heat conductor is infinity |
|
a. jabbar said:
|
|
| |
| if other than zero then plz give some details |
|
kishan said:
|
|
| |
| How .......? |
|
sandhya said:
|
|
| |
| Zero because thermal conductivity is more for good conducter and less for good insulator |
|
|