Question

state the rate of heating of bitumen in flash and fire point test​

Answer 1

Answer:

The bitumen getting heated and preferred rate of heating should be 5oC to 6oC per minute. Stirring of sample should be simultaneously done along with heating using stirrer device. The rate of stirring should be approximately 60 revolutions per minute.

Answer 2

Answer:

Now lit up the flame and set the size of flame to 4mm in diameter. The bitumen getting heated and preferred rate of heating should be 5oC to 6oC per minute. Observe the thermometer carefully and when the temperature is 17oC below the actual flash point (175OC) lit up the test flame.

Explanation:

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