Ontario Z Endorsement Knowledge Exam (Air Brake) - 02 1 / 20 If the connection port is _______, you will require a long stroke brake chamber. Triangle Hexagonal Square Round 2 / 20 To test the leakage of the air brake chamber, ____________ . spring brakes should be released and service brakes should be applied. both brakes released apply both brakes air tanks should be empty 3 / 20 Which of these is not the type of brake system? 'S' Cam Brakes Wedge Brakes 'V' Brakes Disc Brakes 4 / 20 What do you check while inspecting brake drums? Rust Moisture Date of expiry Crakes and Holes 5 / 20 How to test trailer's spring brakes in easy way? Pull out the trailer supply valve. Using chokes Disconnect airlines Apply tractor brakes 6 / 20 What is the use of alcohol evaporator? to stop corrosion to prevent freezing of an air brake system to stop rust to stop air leak 7 / 20 ______ is measured to determine the size of the brake chamber. The length of the pushrod Tire tread The diameter of its clamp. The engine size 8 / 20 If you cross connect the air lines to the trailer, what may happen? Air loss Any or All of these Spring brakes will not release Service brakes will not function properly 9 / 20 _______ is the part of the disc brake system. Air dryer Brake chamber Rotor S Cam 10 / 20 Brake pushrod stroke will ______ after your brakes wear. Increase Any of these not change Decrease 11 / 20 What will you do if Low Air Warning device is activated on the road? Inform the company after finishing the trip Keep moving slowly Pull out and stop immediately Keep driving at the same speed 12 / 20 To perform the air brake test, vehicle should be parked at ______ . in the garage downhill level surface uphill 13 / 20 When you perform coupling then how many air lines are connected with the trailer? Two One Three Four 14 / 20 To avoid moisture in the brake system, ______ tank should be drained first. Supply Small Any Service 15 / 20 __________ is not a part of the Disc Brake System. Brake Pads Rotors Piston Callipers 16 / 20 How often the air tanks should be drained? Monthly Weekly Daily Never 17 / 20 To test the Tractor Protection Valve, disconnect the trailer service line and ________ Apply spring brakes Press the accelerator Turn the engine off Apply the service brakes 18 / 20 What should be the minimum air pressure to perform the air brake test? 150 PSI 55 PSI 120 PSI 90 PSI 19 / 20 Minimum governor cut out is ____ PSI. 110 120 100 145 20 / 20 To test the air compressor, ______. truck should be in reverse gear the engine must be off truck must be moving air tanks should be empty Your score is 0% Restart quiz
