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