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Auto Mechanics Semester 1 Flashcards

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12176208253RotorA rotating electrogmagnet inside the stator.0
12176208254StatorA stationary loop of wires around the rotor in which electricity is produced.1
12176208255Rectifier BridgeConverts AC to DC2
12176208256Slip RingsThe parts of a generator that rotate with the armature and make contact with the brushes3
12176208257BrushesThe contact points connected to a current source and the commutator of a motor4
12176208258Voltage RegulatorA device that maintains a constant voltage level for either AC or DC electrical energy.5
12176208259What happens if your alternator fails?If your alternator fails, the car can only sustain power for about 30 minutes, and during this timeframe, the Check Battery light should come on6
12176208260Battery = 12.6v OFF:True7
12176208261ArmatureThe rotating part of an electrical generator.8
12176208262CommutatorThe device that switches the direction of electrical current in the electromagnet of an electric motor (Switches Polarity)9
12176208263SolenoidA coil of wire that produces a magnetic field when carrying an electric current, turns starter system on and off10
12176208264BrushesThe contact points connected to a current source and the commutator of a motor11
12176208265Pinion GearSpins the Flywheel12
12176208266VoltsCan be defined as "Electrical Pressure"13
12176208267Ampsunit used to measure electric current, "How well the Electricity Flows"14
12176208268OhmsElectrical resistance measurement15
12176208269Series CurcuitAn electric circuit with a single path to ground16
12176208270Parallel CurcuitElectric circuit with two or more paths to ground17
12176208271ConductorA material that allows electricity to pass through it.18
12176208272InsulatorA material that does not conduct electrical current well19
12176208273Gold, Silver, CopperGold = Best Conductor Silver = 2nd Best Conductor Copper = 3rd Best Conductor20
12176208274Brake LinesTransfers the hydraulic pressure from the master cylinder to the brakes, made of rubber21
12176208275Brake Hoseflexible hose that connects the brake lines on the chassis with the calipers or wheel cylinders, or the junction block on a solid axle.22
12176208276Brake Fluid Characteristics- Is a Liquid - NOT FLAMMABLE - CAN'T FREEZE - No Leaks - Can't Boil - Can't Corrode23
12176208277ABSAnti-lock Braking System; uses an automatic system to brake safely.24
12176208278Traction-Controlactivates brake sensors, which do not allow the wheels to spin25
12176208279What to do if your pedal goes to the floorWhen the pedal goes to the floor, the ABS and the Traction Control should kick in together and prevent the wheels from locking up, whilst proper braking force is being applied26
12176208280Brake CaliperPart of the disc brakes, uses hydraulic pressure to apply the brake pads to the rotor.27
12176208281Brake PadsHigh-friction material attached to a metal backing plate.28
12176208282Brake Rotoralso called brake disc, uses friction from the brake pads to slow or stop wheel rotations29
12176208283Master Cylindercreates the pressure used to apply the breaks30
12176208284Wheel CylinderA device used to convert hydraulic fluid pressure from the master cylinder to mechanical force, pushing out two pistons to apply the brakes.31
12176208285Brake ShoesFriction units pushed by action of the wheel cylinder assembly32
12176208286Proportioning ValveUsed on systems with front disc brakes and rear drum brakes.33
12176208287Emergency BrakeBrake system independent from the service brake used for stopping or holding a vehicle in an emergency or while parked34
12176208288P 225/75 R15P = Passenger Vehicle 225 = Width 75 = Height R = Radial 15 = 15 Inch Rims35
12176208289Tire Beadis the edge of the tire that sits on the wheel36
12176208290Tire SidewallThe side of the tire, damage to this part is unrepairable37
12176208291Tire Treadthe grooved surface of a tire that grips the road38
12176208292CasterSuspension Angle39
12176208293Bad CasterSide of Tire with Camber will be bald40
12176208294Bad ToeSide of Tire with bad Toe angle will be worn with Lines/Indents41
12176208295Long Arm/Short Arm SuspensionSuspension type that is used on older vehicles, includes Upper and Lower Ball Joints42
12176208296Tie RodOuter Tie Rod end connects to the spindle, Inner Tie rod end connects to the center link43
12176208297Pitman ArmAttaches to Steering Box44
12176208298Steering Boxthe device that turns the rotary motion from the steering wheel into linear motion to steer the vehicle.45
12176208299Center LinkA steering linkage component connecting the pitman arm, idler arm, and inner tie rods.46
12176208300ToeDirection Tire is pointing47
12176208301CamberAngle of wheels48
12176208302McPherson StrutSuspension Type used on Newer Vehicles, only includes Lower Ball Joints49
12176208303Ball JointPivots the Spindle50
12176208304Control ArmMovable lever fastening steering knuckle to vehicle frame.51
12176208305Idler ArmThe steering linkage part connecting the drag link to the frame on the right side.52
12176208306Leaf SpringA flat spring that supports the car's weight, maintains the car's ride height, and positions all the other suspension parts correctly. Usually found on large cars and trucks.53
12176208307Coil Springsupports the car's weight the most, maintains the car's ride height, and positions all the other suspension parts to their correct angles.54
12176208308SpindleCarries the wheel, connects to Upper And Lower Ball Joints55
12176208309Intake Manifoldpart of an engine that supplies the fuel/air mixture to the cylinders.56
12176208310Valve SpringA spring attached to a valve to close the valve after it has opened.57
12176208311CamshaftShaft containing lobes or cams that operate engine valves.58
12176208312Cylinder HeadHouses the Engine Valves59
12176208313Exhaust Manifoldallows air and fuel mixture to leave the cylinder and directs it down to exhaust pipes60
12176208314Push Rod"Pushes" Rocker Arm61
12176208315Drain PlugPlug that keeps oil in Oil Pan62
12176208316Oil Change Percedure- Jack Car Up - Take Off Drain Plug - Replace Oil Filter - Put Drain Plug back in - Put Fresh Oil In63
12176208317Pistonmovable part in the cylinder forced into motion by explosion of fuel64
12176208318CrankshaftThe main rotating member of the engine. This member changes the up and down motion of the pistons sometimes known as the crank.65
121762083194 strokes of an internal combustion engine- Intake Stroke - Compression Stroke - Power Stroke - Exhaust Stroke66
12176208320LiftersRide on the camshaft and transfer motion to the other parts of the valve train67
12176208321Intake/Exhaust ValvesValves that are open or closed depending on the Stoke the engine is on68
12176208322Cylinder BlockThe basic framework of the engine to which other engine parts are attached.69

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