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