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