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