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