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