Ontario Z Endorsement Knowledge Exam (Air Brake) -04 1 / 20 The air dryer is installed between ______ and _______ . governor, brake chamber service tank, suppy tank air compressor, service tank air compressor, supply tank 2 / 20 When air enters into ______, the pushrod stroke occurs. Air dryer Brake chamber Engine Air Tanks 3 / 20 How often the air brakes must be inspected according to Highway Traffic Act? Monthly Daily Yearly Bi Weekly 4 / 20 If the connection port is _______, you will require a long stroke brake chamber. Hexagonal Round Triangle Square 5 / 20 What is the colour of the Service Line couplings? Blue Red Yellow Green 6 / 20 Air loss in 1 minute should not be more than 1 PSI 4 PSI 2 PSI 3 PSI 7 / 20 If one tractor is pulling two trailers, air loss rate should not be more than __ PSI. 2 3 8 6 8 / 20 Minimum governor cut in is ____ PSI. 120 80 60 70 9 / 20 It is normal to see a small amount of oil from the drainage of ______ . Service tank Supply tank Main tank Any tank 10 / 20 On which part of the brake system 'Brake linings' are attached? Rotors S Cam Brake shoes Brake chambers 11 / 20 What type of brakes are considered powerful? Both are equal Spring brakes None Service brakes 12 / 20 When the vehicle is in operation, air pressure should not drop below _____ ? 80 PSI 90 PSI 120 PSI 55 PSI 13 / 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 14 / 20 What you will find on a long stroke size 24 brake chamber? Square ports A Tag Cover marking All of these 15 / 20 Who must take the proper inspection of the air brake system? Safety manager Driver Company owner MTO 16 / 20 When does the brake fade occur? By applying frequently on downhills While applying on uphills In winter By applying frequently when stopped 17 / 20 What is a Gladhand? A Coupling device Brake pedal An air line A Tool 18 / 20 What is the use of alcohol evaporator? to prevent freezing of an air brake system to stop rust to stop corrosion to stop air leak 19 / 20 How many air line connections a DD3 Safety Actuator has? Three Two One Four 20 / 20 The brake pedal should be ______, while measuring the pushrod stroke. not pressed partially pressed fully pressed any of these Your score is 0% Restart quiz
