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