Ontario Z Endorsement Knowledge Exam (Air Brake) - 02 1 / 20 How to test trailer's spring brakes in easy way? Pull out the trailer supply valve. Disconnect airlines Using chokes Apply tractor brakes 2 / 20 How often the air tanks should be drained? Monthly Weekly Never Daily 3 / 20 If the connection port is _______, you will require a long stroke brake chamber. Square Hexagonal Round Triangle 4 / 20 _______ is the part of the disc brake system. S Cam Brake chamber Rotor Air dryer 5 / 20 To test the Tractor Protection Valve, disconnect the trailer service line and ________ Press the accelerator Apply spring brakes Apply the service brakes Turn the engine off 6 / 20 To test the air compressor, ______. truck should be in reverse gear truck must be moving the engine must be off air tanks should be empty 7 / 20 When you perform coupling then how many air lines are connected with the trailer? Two One Four Three 8 / 20 Which brakes are applied to send air into the air brake chamber? Spring brakes Service brakes None Both 9 / 20 What should be the minimum air pressure to perform the air brake test? 150 PSI 55 PSI 120 PSI 90 PSI 10 / 20 To avoid moisture in the brake system, ______ tank should be drained first. Small Service Supply Any 11 / 20 What is the use of alcohol evaporator? to stop air leak to prevent freezing of an air brake system to stop corrosion to stop rust 12 / 20 Brake pushrod stroke will ______ after your brakes wear. Any of these Increase not change Decrease 13 / 20 Minimum governor cut out is ____ PSI. 110 145 100 120 14 / 20 To perform the air brake test, vehicle should be parked at ______ . in the garage downhill level surface uphill 15 / 20 If you cross connect the air lines to the trailer, what may happen? Service brakes will not function properly Any or All of these Spring brakes will not release Air loss 16 / 20 Which of these is not the type of brake system? 'S' Cam Brakes 'V' Brakes Disc Brakes Wedge Brakes 17 / 20 What do you check while inspecting brake drums? Rust Crakes and Holes Moisture Date of expiry 18 / 20 ______ is measured to determine the size of the brake chamber. Tire tread The length of the pushrod The engine size The diameter of its clamp. 19 / 20 To test the leakage of the air brake chamber, ____________ . air tanks should be empty spring brakes should be released and service brakes should be applied. both brakes released apply both brakes 20 / 20 __________ is not a part of the Disc Brake System. Rotors Piston Brake Pads Callipers Your score is 0% Restart quiz
