No.
about 2 to 3 days
about..... one and a half hour
about..... one and a half hour
depens on temp of fridge
It depends on the type of quiche. If it contains any form of dairy it can be kept unrefrigerated for up to two days, however you should keep it covered.
no
Liverwurst should be okay 4 days if kept refrigerated.
Cooked pinto beans are considered potentially hazardous. They should not be left unrefrigerated for more than 2 hours.
Mayonnaise Spoilage Myths - Mayonnaise Safety http://homecooking.about.com/od/howtocookwithcondiments/a/mayospoilage.htm
While I was in Portugal everyone kept a bowl on the table. As long as they are immersed in oil they keep.
Not long