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Z Endorsement (Air Brakes) Practice Test | 100% Correct Answers | Verified | Latest 2024, Exams of Engineering

Saint Lawrence UniversityEngineering

Breaks convert the energy of a moving vehicle into ________________________ that is developed by friction between fixed and moving brake parts. - ✔✔Heat Hydraulic brake systems are filled with _____________________________ that cannot be compressed. - ✔✔Brake fluid Compressed air mass travel from one component to another In the system so there are split second ______________________________ in break reactions. - ✔✔Delays Drivers must avoid being ___________________________ Of any exhausting compressed air. - ✔✔Direct path Air compressors force air into a ___________________________ space. - ✔✔Smaller Air compressors for power directly by the engine or are powered by using _________________________ and _____________________________. - ✔✔Belts , Pulleys The ________________________ pressure setting is the point where the compressor stops pumping air. - ✔✔Cut out The _________________________ pressure setting is the point where the compressor s

Typology: Exams

2023/2024

Available from 09/05/2024

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Z Endorsement (Air Brakes) Practice
Test | 100% Correct Answers | Verified |
Latest 2024 Version
Breaks convert the energy of a moving vehicle into ________________________ that is developed by
friction between fixed and moving brake parts. - ✔✔Heat
Hydraulic brake systems are filled with _____________________________ that cannot be compressed. -
✔✔Brake fluid
Compressed air mass travel from one component to another In the system so there are split second
______________________________ in break reactions. - ✔✔Delays
Drivers must avoid being ___________________________ Of any exhausting compressed air. - ✔✔Direct
path
Air compressors force air into a ___________________________ space. - ✔✔Smaller
Air compressors for power directly by the engine or are powered by using _________________________
and _____________________________. - ✔✔Belts , Pulleys
The ________________________ pressure setting is the point where the compressor stops pumping air.
- ✔✔Cut out
The _________________________ pressure setting is the point where the compressor starts pumping
air. - ✔✔Cut in
The operating pressure range for air brake systems must be between ________________ And
____________________. - ✔✔80 PSI , 100 PSI
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pf4
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Partial preview of the text

Download Z Endorsement (Air Brakes) Practice Test | 100% Correct Answers | Verified | Latest 2024 and more Exams Engineering in PDF only on Docsity!

Z Endorsement (Air Brakes) Practice

Test | 100% Correct Answers | Verified |

Latest 2024 Version

Breaks convert the energy of a moving vehicle into ________________________ that is developed by friction between fixed and moving brake parts. - ✔✔Heat Hydraulic brake systems are filled with _____________________________ that cannot be compressed. - ✔✔Brake fluid Compressed air mass travel from one component to another In the system so there are split second ______________________________ in break reactions. - ✔✔Delays Drivers must avoid being ___________________________ Of any exhausting compressed air. - ✔✔Direct path Air compressors force air into a ___________________________ space. - ✔✔Smaller Air compressors for power directly by the engine or are powered by using _________________________ and _____________________________. - ✔✔Belts , Pulleys The ________________________ pressure setting is the point where the compressor stops pumping air.

  • ✔✔Cut out The _________________________ pressure setting is the point where the compressor starts pumping air. - ✔✔Cut in The operating pressure range for air brake systems must be between ________________ And ____________________. - ✔✔80 PSI , 100 PSI

The air brake system supply tank is also called a _____________________________ tank. - ✔✔Wet To ensure that excessive moisture is not held up in the air brake system, the air tanks must be ___________________________ on regular basis. - ✔✔Drained Vehicle manufacturers recommend the air tanks be drained on a __________________________ basis. - ✔✔Daily Air pressure gauges are provided to show the air pressure in the _______________________ And _______________________ air tanks. - ✔✔Primary , Secondary To protect from damage (that could be caused by over-pressure), air brake systems are fitted with ________________________ Valves. - ✔✔Safety To morning driver the air pressure is dangerously low, Vehicles are fitted with __________________________ Warning devices. - ✔✔Low air pressure When an air dryer cycles, there is a noticeable discharge of air exhaust port coincides with compressor __________________________. - ✔✔Cut out Alcohol and operators are optional devices that add alcohol Vapour to the air system to help (avoid ___________________________ of moisture in the air brake system.) - ✔✔Freezing Limiting the application pressured to the front steering axle brakes of the vehicle reduce the chance __________________________. - ✔✔Wheel lock When the air loss rate Is higher then is permitted, The air brake system has _________________________________. - ✔✔Air leaks (3,4,6 PSI) Stroking of a break chamber is the result of _____________________________ entering the chamber. - ✔✔Compressed air.

Cross trailer connections will result in brake system _____________________________. - ✔✔Malfunction In the event of a loss of the trailer service air and a "spring break priority" System, the only way to apply trailer brakes is by use of the trailer ___________________________. - ✔✔Supply valve True or False?!?!?! The protection valve used on towing vehicles prevent loss of air from the trailer service line. - ✔✔True 's' CamAir brakes have _______________________ pushrods. - ✔✔Exposed 's' Cam airbrake use brake ________________ and _________________. - ✔✔Drums and shoes Air disc brake systems use _________________ and ________________. - ✔✔Rotors and calipers Wedge air brake systems use drumming brake chambers facing _____________________. - ✔✔Inward The demands of the vehicles brake system ______________________ as the vehicle speed or weight increases. - ✔✔Increase Vehicles can be overloaded to the point that the vehicles ___________________________ Is exceeded. - ✔✔Braking ability The brakes are used frequently or severely, more ____________________________ Is developed. - ✔✔Brake heat Break fade is a drop in brake force that might be noticed when brakes get _____________. - ✔✔Hot Improper break-adjustment will reduce the effectiveness of the service and _______________ brakes. - ✔✔Spring

When a vehicles wheel locks, the driver loses __________________. - ✔✔Steering control Antilock brake systems (ABS) Should not be expected to shorten a vehicles __________________________ distance. - ✔✔Stopping To indicate the status of a antilock brake system ____________________________ are used. - ✔✔Indicator lights Vehicles that do not comply with the applicable Safety regulations are subject to _____________________. - ✔✔Penalties When vehicles are found to have Defects, The carrier, and then __________________________ can be charged. - ✔✔Driver To perform vehicle inspection safely, drivers must consider where the vehicle is ____________________.

  • ✔✔Parked Unexpected movements of the vehicle during an inspection can be avoided by using wheel ________________________________. - ✔✔Chocks or blocks An inspection of the vehicles air tanks include looking for evidence of? - ✔✔Insecure mounting An inspection of the vehicles air compressor includes looking for evidence of? - ✔✔Please Compressor,Loose, cut or frayed compressor drive belts, and secure air compressor mine, brackets or fasteners. And Inspection of the vehicles air brake chambers include looking for evidence of? - ✔✔Audible air leaks, cracks and non-manufactured holes, mismatch sizes and/or slack adjusters length on steer axles. A vehicle passes the low air warning device test when? - ✔✔Pressure is at or above 55 psi.