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