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