MCQ Academy - English

Free Online MCQ Practice Tests in English

Latest Quizzes

How should you check your air compressor governor “cut in” and “cut out” pressures?

Correct answer(s):
    • Run the engine at a fast idle
    • Step on and off the brake to reduce tank pressure
    • Monitor the air pressure gauge

What does it mean when the safety valve opens and releases air?

Correct answer(s):
    • The pressure has exceeded 150 psi
    • Something is wrong, and a mechanic needs to check it