Provision of fins on a given heat transfer surface will cause more heat transfer if there are ________.
In order to achieve maximum heat dissipation, the fin should be designed in such a way that :
The value of Biot number is very small (<0.01) when __________.
The time constant of thermocouple is______.
Which of the following is an application of fins in heat transfer?
A body cools from 90 °C to 80°C in 5 minutes. Under the same external conditions to cool from 80 °C to 70 °C the body will take __________.
