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