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