PLT493 ATPWHICH CONDITIONS RESULT IN THE FORMATION OF FROST

60. PLT493 ATP

Which conditions result in the formation of frost?

A) The temperature of the collecting surface is at or below freezing and small droplets of moisture are falling.

B) Temperature of the collecting surface is below the dewpoint and the dewpoint is also below freezing.

C) Dew collects on the surface and then freezes because the surface temperature is lower than the air temperature.