The mechanical brake - Study guides, Class notes & Summaries

Class D license is for anyone driving a vehicle or combined set of vehicles in this weight range _____, as long as they are not carrying hazardous materials - Correct answer10,001-26,001 pounds A Class D license allows for a driver-for-fire to drive any vehicle fitting into the Class __ requirements - Correct answer-E you must be ____ years old to receive a class D license - Correct answer-17 the maximum width for all vehicles except buses is ___ - Correct answer-8 feet the maximum width f...

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

AL Factor The size or surface area of a brake chamber multiplied by the length of the slack adjuster in inches Anti-fade An opposite condition of heat fade where the coefficient of friction increases as the brakes get hotter. Automatic Slack Adjusters (ASAs) Automatically adjust brake stroke to maintain the correct shoe-to-drum clearance. Brake Block Brake friction material that is 0.75 inch (19mm) thick. Brake Fade The inability of the brakes to maintain its eff...

FCTC Written Study Guide Questions And Answers 100% Solved Classes of Levers ️️Class 1, Class 2, Class 3 Class 1 Levers ️️Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum and resistance (output) on the other side .Mechanical Advantage greater or less than 1 Ex: Seesaw, Crowbar, Pair of Scissors. Class 2 Levers ️️Resistance is in the middle, the effort is applied on one side of the resistance and the fulcrum on the other side .Mechanic...

Heavy Duty Truck Systems - Ch 3 with Verified Solutions What is the purpose of the truck’s air compressor? The air compressor generates compressed air for use in the truck’s braking system and other pneumatic components. How does the truck’s transmission system contribute to vehicle performance? The transmission system adjusts the engine’s power output to match the vehicle’s speed and load requirements, optimizing performance and fuel efficiency. What is the function ...

An MOV burns out, you replace it but cannot read voltage or resistance. What should you do? - ACCURATE ANSWERReplace it with a larger one (630) On a Ward-Leonard circuit, the brake is set but the motor is trying to slip through the brake. What circuit is the issue? - ACCURATE ANSWERSuicide circuit (425) A Hydro runs up with no load but does not run up with a full load. What is the issue? - ACCURATE ANSWERThe relief valve is set too low (805) Runby for a 1:1 car hits the CWT buffer 4" ...

Mechanics Exam Review-NEIEP Comprehensive Questions With 100%Correct Answers. A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? - ANSWER-100 fpm/125 fpm= 12"/ X =15 A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? - ANSWER-Replace it with a larger MOV - 630 On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is...

NEIEP 800 Final Exam V2 (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Belted walkways use a tensioning device at the tail end to maintain the proper tension on the treadway belt and is normally maintained at _____ lbs. Answer: 3000 QUESTION (True/False) The speed governor switch on moving walks not driven by an induction motor directly connected to the driving machine (aka AC squirrel cage), will cause power to be remove...

in the AL factor the L refers to the? length of the slack adjuster Spring brakes on an air-brake vehicle must be able to hold the vehicle, facing uphill or downhill, on what percentage grade? B 20% How much free movement should exist between a slack adjuster and its camshaft? .005 in. max The warning light on a truck with a antilock brake system light when the truck is started. When the truck is moving, the light stays on. which of the following could be the cause? Misad...

Which of the following air brake system components functions as a lever? the slack adjuster Which of the following components sets the system cut-in and cut-out pressures? the governor What is the function of a system safety pop-off valve? It relieves pressure from the supply tank in the event of governor cut-out failure. The function of the foot valve or dual-circuit application valve is to: meter air to the service brake circuit The potential energy of an air br...