What is the self ignition temperature of HFO,Diesel and petrol.

What is the Self ignition temperature of the Petrol

I just have a general plumbing question. I live in a 4 year old luxury apartment building downtown and we have had an issue with our water temperature for the past month. (there is no cold/cool water... it is all hot - out of all the faucets). The building management is trying to say that this is...

What is the self ignition temperature of diesel and petrol? Is the ignition temperature is same as flash point or fire point

Why does the same air temperature feel differently in different parts of the country ? i.e. - Breckenridge, Colorado @ 40 degrees, feels much different than Houston, Texas @ 40 degrees no matter the time of the year.