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