Ontario Z Endorsement Knowledge Exam (Air Brake) -03 1 / 20 What type of brakes are considered powerful? Service brakes None Spring brakes Both are equal 2 / 20 The colour of the trailer supply valve knob is______ Yellow Red Blue White 3 / 20 To test the low air pressure warning device, air pressure should be above _____ PSI? 90 100 75 60 4 / 20 Who must take the proper inspection of the air brake system? Safety manager Company owner MTO Driver 5 / 20 The air, in the air brake system, first enters into the ______. Air compressor Dry tank Supply tank Service tank 6 / 20 Air loss in 1 minute should not be more than 2 PSI 4 PSI 3 PSI 1 PSI 7 / 20 Air brake system converts _______ into ________ . moving vehicle energy, heat compressed air, heat energy compressed air, mechanical heat, mechanical energy 8 / 20 It is normal to see a small amount of oil from the drainage of ______ . Service tank Supply tank Main tank Any tank 9 / 20 The air dryer is installed between ______ and _______ . service tank, suppy tank air compressor, service tank governor, brake chamber air compressor, supply tank 10 / 20 When air pressure reaches _____ PSI to ____ PSI lower than the cut out pressure, governor must cut in. 22, 25 40, 60 30, 35 15, 25 11 / 20 How often the air tanks should be drained? Monthly Never Weekly Daily 12 / 20 If you don't have any trailer attached, your trailer supply valve should be _____? Turned to right Pushed in Pulled out Turned to left 13 / 20 What can Brake Fade cause? Nothing Air drop Brake seize Brake failure 14 / 20 How often the air brakes must be inspected according to Highway Traffic Act? Monthly Bi Weekly Daily Yearly 15 / 20 A trailer with a spring brake priority system will release _______ Service brake first No brakes Spring brake first Both brakes at the same time 16 / 20 _______ is the part of the disc brake system. S Cam Air dryer Brake chamber Rotor 17 / 20 Which vehicles have mostly DD3 Safety Actuators? Cars Bikes Buses Trucks 18 / 20 ______ is not the part of the wedge brake system. Shoes Pushrods Drums Spiders 19 / 20 Minimum governor cut in is ____ PSI. 60 120 70 80 20 / 20 What you will find on a long stroke size 24 brake chamber? Square ports Cover marking A Tag All of these Your score is 0% Restart quiz
