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