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