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