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