Ontario Z Endorsement Knowledge Exam (Air Brake) -04 1 / 20 On which part of the brake system 'Brake linings' are attached? Brake chambers Brake shoes S Cam Rotors 2 / 20 The brake pedal should be ______, while measuring the pushrod stroke. partially pressed not pressed any of these fully pressed 3 / 20 When the vehicle is in operation, air pressure should not drop below _____ ? 80 PSI 90 PSI 120 PSI 55 PSI 4 / 20 What you will find on a long stroke size 24 brake chamber? A Tag All of these Square ports Cover marking 5 / 20 Minimum governor cut in is ____ PSI. 70 80 120 60 6 / 20 A trailer with a spring brake priority system will release _______ Spring brake first Both brakes at the same time No brakes Service brake first 7 / 20 If the connection port is _______, you will require a long stroke brake chamber. Round Triangle Hexagonal Square 8 / 20 Air loss in 1 minute should not be more than 3 PSI 4 PSI 2 PSI 1 PSI 9 / 20 If one tractor is pulling two trailers, air loss rate should not be more than __ PSI. 6 3 2 8 10 / 20 How often the air brakes must be inspected according to Highway Traffic Act? Bi Weekly Yearly Monthly Daily 11 / 20 Who must take the proper inspection of the air brake system? Company owner MTO Driver Safety manager 12 / 20 The air dryer is installed between ______ and _______ . air compressor, supply tank governor, brake chamber air compressor, service tank service tank, suppy tank 13 / 20 What is the colour of the Service Line couplings? Red Green Blue Yellow 14 / 20 When does the brake fade occur? While applying on uphills By applying frequently when stopped By applying frequently on downhills In winter 15 / 20 What is a Gladhand? A Tool An air line Brake pedal A Coupling device 16 / 20 It is normal to see a small amount of oil from the drainage of ______ . Service tank Any tank Main tank Supply tank 17 / 20 What type of brakes are considered powerful? Service brakes None Spring brakes Both are equal 18 / 20 When air enters into ______, the pushrod stroke occurs. Engine Brake chamber Air dryer Air Tanks 19 / 20 What is the use of alcohol evaporator? to stop corrosion to stop air leak to stop rust to prevent freezing of an air brake system 20 / 20 How many air line connections a DD3 Safety Actuator has? Four One Two Three Your score is 0% Restart quiz
