The fire point of an oil is about ________ higher than the flash point.
(a) 5-10^oC
(b) 5-20^oC
(c) 5-30^oC
(d) 5-40^oC
The question was posed to me by my college director while I was bunking the class.
Asked question is from Lubricants General Questions in section Lubricants of Applied Chemistry