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