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