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