Classrep2

A trailer with electric brakes is being diagnosed for poor brake application when loaded. The technician has set the gain on the controller correctly and confirmed that power is available at the trailers wheels. How should the technician proceed to determine the fault? a) Check the polarity of the magnets with a compass to verify operation of each wheel b) Monitor the brake controller voltage and replace the magnets at each wheel c) Check resistance of the magnets and compare them to each ...

Which of the following driving practices can cause abnormal wear to clutch components? - ANSWERstanding starts in high gear ratio, riding the clitch pedal, and using the clutch to hold a truck on an incline. what is the function of the clutch brake? - ANSWERsmooth shifts into first and reverse what is the function of coaxial springs in a clutch friction plate? - ANSWERdampening of driveline torsionals, dampening of engine torsionals, reducing clutch chatter what is generally considered ...

Disc Brake Diagnostic Procedure Step 1 - ANSWERTest drive vehicle to see if complaint can be duplicated. Make sure to not test drive if red braking light stays on. Disc Brake Diagnostic Procedure Step 2 - ANSWERCheck pedal height & verify proper operation. If low, count clicks, 3-7 is normal, if 10 or more check rear brakes. Disc Brake Diagnostic Procedure Step 3 - ANSWERSafely lift vehicle & remove wheels. Visually check the Flexible Brake Hose, rotor for excessive rust/scoring, and calip...

A low air pressure warning signal should activate: - ANSWERWhen tank pressure falls below 60 psi. In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag. Why should you regularly drain the air tanks? - ANSWERBecause compressed air contains some water and the water collects in the tanks. Compressed air usually contains a certain amount of moisture...

In a single anchor bendix drum type rear brake - ANSWERthe secondary lining is longer than the primary Compared to the secondary shoe lining areas of drum brakes, the primary shoe lining area is: - ANSWERsmaller and goes toward the front of the car During a brake overhaul, you notice that the brake fluid seems to be very dirty and dark in color. What should you do? - ANSWERflush the system before the new parts are installed In order to bleed the system on a vehicle equipped with power b...

The parking or emergency brake on a heavy vehicle can only be held in position by something that cannot leak away, like: a. Fluid pressure b. Spring pressure c. Air pressure d. Any of the above - ANSWERb. Spring pressure A straight truck or bus air brake system should not leak at a rate of more than __ psi per minute with the engine off and the brake released. a. 1 b. 2 c. 3 d. 4 - ANSWERc. 3 Your vehicle has dual air brake system. If low air pressure warning comes on for the s...

Air in Hydraulic System - ANSWERA spongy brake pedal may be caused by Excessive tire pressure - ANSWERCan not cause very erratic brake pulling while applying brakes Excessive brake pedal travel - ANSWERA power assist brake booster push rod that is too short will cause torque the adjusting nut to a specified torque and back off the nut until it lines up with the hole and install the cotter pin - ANSWERWhen adjusting front wheel bearings,

Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks? - ANSWERAfter every working day EXPLANATION: If your vehicle does not have automatic air tank drains, drain your air tanks at the end of each working day to remove moisture and oil. Otherwise, the brakes could fail. What is the S-cam used for? - ANSWERTo apply the brakes. Explanation: When you push the brake pedal, air is let into each brake chamber. Air ...

Most important reason to do a vehicle inspection - ANSWERsafety Parts of a steering sys - ANSWERSteering wheel, steering shaft, steering arm, gear box Application pressure - ANSWERHow much pressure you are using Certification fate for abs on vehicles - ANSWERMarch 1 1998+

When a truck has no air pressure in its tanks, which warning devices are activated when the ignition key is turned on? - ANSWERA buzzer, a dash gauge and a red light What legislation mandates every required standard of a highway truck air brake system? - ANSWERFMVSS 121 If a truck is FMVSS 121 compliant, which of the following air reservoirs must be incorporated into the air brake circuit? - ANSWERSupply, primary and secondary tanks In a truck air brake system which sub circuit is prima...

Most 1995 & newer vehicles use which of the following types of wheels bearings on non-drive wheel? - ANSWERSealed non-serviceable to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal should: - ANSWERdrop slightly and remain firm You are installing a set of brake shoe linings that are not the same length. Traditionally, the primary shoe lining is: - ANSWERSmaller and goes ...

AN ENGINE BRAKE (JACOBS BRAKE) - ANSWERA. IS A SELF-ENERGIZING SERVO TYPE. B. IS NORMALLY USED IN PLACE OF A SPRING BRAKE. C. RESTRICTS THE INTAKE PORT AND CAUSES A BUILD UP OF 30-45 LBS OF PRESSURE. D. OPENS THE EXHAUST VALVES NEAR THE TOP OF THE COMPRESSION STROKE TO RELEASE THE COMPRESSED AIR. (CORRECT AWNSER) WHAT IS THE PURPOSE OF A VACUUM BOOSTER? - ANSWERA. TO DECREASE BRAKE PEDAL EFFORT. (POSSIBLE CORRECT AWNSER) B. TO PREVENT FADE UNDER HEAVY BRAKING. C. TO PROVIDE ASSISTANCE ...

Anti-lock brakes (ABS) - ANSWERhelp prevent accidents and improve vehicle control by preventing wheels from locking up during braking Preset wheel bearing - ANSWERassembly where you install the part and torque the retaining nut down (full turn and half turn 200-400 ft/lbs) Grease-soaked brake linings - ANSWERshould be replaced, not soaked with grease or oil *Air break systems operation - ANSWERUsing the triple-valve principle, air builds up inside the brake pipes or air lines, releasi...

What is staying in place with the new presidency? - ANSWERAge 26 & preexisting conditions & crossing over state lines What triggered the growth of hospitals from ? - ANSWERHill-Burton Act Technological Advances Health insurance Main contributor of hospitals in 1940? - ANSWERHill-Burton Act What triggered the downsizing phase in the US hospital industry during the 1980's - ANSWERProspective payment system Vulnerability framework which is NOT a predisposing factor? - ANSWERHomeles...

True/False? All health systems have common elements or building blocks necessary for a functioning health system despite the unique health determinants and population health. - ANSWERTrue Understanding individual parts of a system as well as how these parts interact through recurring patterns to produce a whole describes which theory? - ANSWERSystems Thinking Theory The Triple Aim framework consists of pursuing which of the following dimensions? - ANSWERImproving the patient experience o...

The US health care system has been described as having imperfect market conditions even though the delivery of services is largely - ANSWERIn private hands. Health care is only partially governed by free market forces. What contributed to the growth of hospitals from : - ANSWERhill burton act, health insurance, and technological advances What was the main contributor to the growth of hospitals in the 1940s? - ANSWERHill burton act What triggered the downsizing phase in the US hospital i...

The vast majority of U.S. health spending is devoted to medical care, but there is strong evidence that personal behaviors and the environment are responsible for more than what percentage of avoidable mortality? - ANSWER70 The central goal of public health is - ANSWERthe reduction of disease and the improvement of health in a population The major difference between public health ethics and medical ethics is that while medical ethics have an individual and clinical focus, public health eth...

What should this course teach a lead inspector to do? - ANSWERTo identify the presence of lead in housing in order to protect children and focus specifically on the presence of lead in paint, dust, soil, to conduct clearance and produce a written report. What does LBP mean? - ANSWERLead-Based Paint What is Title X? - ANSWERGov't focus on primary prevention of lead poisoning through identifying and reducing lead HAZARDS. As of March 2000, lead inspections in___________________________...

HUD Guidelines - ANSWERWhat Federal document serves as an overall guideline for performing inspections, risk assessments, and abatement activities? chelation therapy - ANSWERA child may be treated for lead poisoning by using... Identify LBP hazards - ANSWERThe purpose of a lead risk assessment is to? Elevated Blood Level - ANSWERWhat does EBL mean? Ingestion of lead dust - ANSWERHow does lead primarily enter children's bodies? No - ANSWERWould a child with consecutive blood lea...

Lead was used in paint because it - ANSWERAdds durability and serves as a drying agent. Lead is sometimes found in drinking water because lead is in - ANSWERPipe solder and plumbing fixtures. What form of lead is often found in house paint? - ANSWERWHITE LEAD How much lead must be present in a painted surface for it to be considered lead-based paint by HUD? - ANSWERAt least 1 milligram per square centimeter (0.01 kg / m2) The federal agency responsible for protecting workers who work...