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