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