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