Why is it dangerous to pump the throttle for engine start in cold weather?

Question

Question PPL(H) - Private Pilot License - Operational Procedures

QuizVDS · Accepted Answer

It may cause a carburettor fire

QuizVDS · Answer

Carburettor icing can occur

QuizVDS · Answer

The oil will become diluted

QuizVDS · Answer

The engine might start with not enough power

PPL(H) EN: Why is it dangerous to pump the throttle for engine start in cold weather? Id: 636