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