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