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