Question

In pensky martens apparatus what is the purpose of air jacket surrounding the oil cup

Answer 1

Hey

Explanation:

The brass oil cup is meant for heating the petroleum products to the Flash Point.

It carries a mark all round in the inside to show the required level of liquid.

The cup has a flange which rests on the brass top and the lower parts of the cup is within the Air Bath or heating vessel.

Answer 2

Flash point of a flammable liquid is defined as the lowest temperature at which it can form an ignitable mixture in air. It depends on the following factors: Density: Higher the density, higher will be the flash point. Distillation: Higher the boiling range of the oil, higher will be its flash poin