Search results for query: *

I have often seen lock washers placed between bolt head and a flat washer which makes no sense what so ever. The point of a lock washer is to retard a bolt from backing off by biting into both the head of the bolt which is movable and a solid immovable surface such as a block or such. Use the...

For a given volume of air, colder air weighs more than warm or hot air, hence more oxygen molecules occupy the cold air. This because, as someone said previously, cold air’s molecules are packed closer together as they are not moving around as vigorously compared to a warmer sample of air...

For a given volume of air, colder air weighs more than warm or hot air, hence more oxygen molecules occupy the cold air. This because, as someone said previously, cold air’s molecules are packed closer together as they are not moving around as vigorously compared to a warmer sample of air...