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