Ontario Z Endorsement Knowledge Exam (Air Brake) -03 1 / 20 What can Brake Fade cause? Nothing Air drop Brake failure Brake seize 2 / 20 The air dryer is installed between ______ and _______ . service tank, suppy tank air compressor, service tank air compressor, supply tank governor, brake chamber 3 / 20 How often the air brakes must be inspected according to Highway Traffic Act? Daily Monthly Bi Weekly Yearly 4 / 20 Which vehicles have mostly DD3 Safety Actuators? Cars Trucks Bikes Buses 5 / 20 How often the air tanks should be drained? Weekly Monthly Never Daily 6 / 20 _______ is the part of the disc brake system. Brake chamber S Cam Air dryer Rotor 7 / 20 Air brake system converts _______ into ________ . compressed air, heat energy compressed air, mechanical heat, mechanical energy moving vehicle energy, heat 8 / 20 ______ is not the part of the wedge brake system. Spiders Drums Pushrods Shoes 9 / 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 10 / 20 It is normal to see a small amount of oil from the drainage of ______ . Supply tank Any tank Service tank Main tank 11 / 20 Who must take the proper inspection of the air brake system? MTO Driver Safety manager Company owner 12 / 20 The colour of the trailer supply valve knob is______ Red White Yellow Blue 13 / 20 If you don't have any trailer attached, your trailer supply valve should be _____? Turned to right Turned to left Pulled out Pushed in 14 / 20 Air loss in 1 minute should not be more than 4 PSI 3 PSI 2 PSI 1 PSI 15 / 20 To test the low air pressure warning device, air pressure should be above _____ PSI? 100 60 75 90 16 / 20 When air pressure reaches _____ PSI to ____ PSI lower than the cut out pressure, governor must cut in. 22, 25 30, 35 40, 60 15, 25 17 / 20 Minimum governor cut in is ____ PSI. 70 60 80 120 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? A Tag All of these Square ports Cover marking 20 / 20 The air, in the air brake system, first enters into the ______. Supply tank Dry tank Air compressor Service tank Your score is 0% Restart quiz