Ontario Z Endorsement Knowledge Exam (Air Brake) -03 1 / 20 Minimum governor cut in is ____ PSI. 120 60 70 80 2 / 20 To test the low air pressure warning device, air pressure should be above _____ PSI? 75 60 90 100 3 / 20 When air pressure reaches _____ PSI to ____ PSI lower than the cut out pressure, governor must cut in. 40, 60 15, 25 22, 25 30, 35 4 / 20 What type of brakes are considered powerful? None Spring brakes Both are equal Service brakes 5 / 20 ______ is not the part of the wedge brake system. Drums Shoes Pushrods Spiders 6 / 20 How often the air brakes must be inspected according to Highway Traffic Act? Monthly Daily Yearly Bi Weekly 7 / 20 The air, in the air brake system, first enters into the ______. Air compressor Supply tank Dry tank Service tank 8 / 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 9 / 20 How often the air tanks should be drained? Never Daily Weekly Monthly 10 / 20 Air loss in 1 minute should not be more than 4 PSI 2 PSI 1 PSI 3 PSI 11 / 20 What you will find on a long stroke size 24 brake chamber? All of these A Tag Square ports Cover marking 12 / 20 Air brake system converts _______ into ________ . moving vehicle energy, heat heat, mechanical energy compressed air, mechanical compressed air, heat energy 13 / 20 The colour of the trailer supply valve knob is______ Yellow Blue White Red 14 / 20 Who must take the proper inspection of the air brake system? Safety manager Driver Company owner MTO 15 / 20 If you don't have any trailer attached, your trailer supply valve should be _____? Turned to left Turned to right Pulled out Pushed in 16 / 20 _______ is the part of the disc brake system. Brake chamber Air dryer S Cam Rotor 17 / 20 The air dryer is installed between ______ and _______ . air compressor, service tank service tank, suppy tank governor, brake chamber air compressor, supply tank 18 / 20 What can Brake Fade cause? Air drop Brake failure Nothing Brake seize 19 / 20 It is normal to see a small amount of oil from the drainage of ______ . Supply tank Main tank Any tank Service tank 20 / 20 Which vehicles have mostly DD3 Safety Actuators? Cars Buses Bikes Trucks Your score is 0% Restart quiz
