Question

give the limitations of abel's closed cup​

Answer 1

Answer:

The Cleveland open-cup method is used to determine the flash point of a petroleum product with the help of a Cleveland open-cup tester.

Disadvantages

1. It lacks precision. 

2. It gives a higher flash point than a closed cup as it allows free loss of vapours to the atmosphere.

Answer 2

Limitations of Abel's closed cup​

shut cup strategies are directed in a restricted domain.

• the outcomes are less inclined to be meddled with by outside components found in the research center. Moreover, they naturally for the most part produce lower streak focuses, since the warmth is contained and the substance is bound to get combustible at a prior stage. Along these lines, they are commonly utilized as industry gauges, since they convey lower results, which guarantee more secure practices.  

• In any case, it is essential to take note of that neither open cup nor shut cup streak focuses are key parameters having a place with the substance, yet rather exact aftereffects of testing. They will be influenced by all way of criteria, including the lab they are led in, the gear utilized and the technique for testing chose.