For the following questions answer them individually
In regenerator type heat exchanger, heat transfer takes place by
Film coefficient is the ratio of _____.
Highest thermal diffusivity is of _____.
Highest thermal conductivity is of _____.
The ratio of work done per cycle to the swept volume in case of compressor is called
The indicator diagram shown in the figure below obtained on a compressor shows that _______.
Metals are good heat conductors because _____.
Heat is transferred from an insulated pipe to the surrounding still air by _____.
Heat is transferred by conduction, convection and radiation in _____.
In optical pyrometers absorption filter is used _____.