mediumicing
Clear ice forms when:
A
Large supercooled droplets spread before freezing
B
Small supercooled droplets freeze instantly
C
Ice crystals deposit directly from vapor
D
Frost forms on the aircraft surface
Checking member access
One moment while we confirm your plan so paid members never see checkout by mistake.
Checking member access before showing upgrade options
Keep practising
Take a timed quiz with random questions, or estimate your training costs.