A part of an exam or series of exams in which the candidate has to demonstrate their practical ability

A prop that has some degree of functionality, rather than being a mere imitation.

Based on practice or action rather than theory or hypothesis

“Jack didn't get an engineering degree, but has practical knowledge of metalworking.”

Being likely to be effective and applicable to a real situation; able to be put to use

“Jack's knowledge has the practical benefit of giving us useful prototype parts.”

Of a person, having skills or knowledge that are practical

“All in all, Jack's a very practical chap.”