Auto Mechanics Study Guide Flashcards
Terms : Hide Images [1]
| 14240085834 | what is an oil sending unit used for? | control light of the gauge | 0 | |
| 14240095426 | What does PCV stand for? | positive crankshaft ventilation | 1 | |
| 14240101844 | When does most of the dilution of oil occur? | Oil from the engine gets into the lube pressure. | 2 | |
| 14240104256 | What raises the boiling point of coolant? | Narrator cap | 3 | |
| 14240109845 | What does the number stamped on the radiator cap mean? | Amount of pressure that it can hold | 4 | |
| 14240112363 | What happens when you install a thermostat upside down? | Won't allow coolant to flow | 5 | |
| 14240117924 | What do you use to test cooling system for leaks? | Temperature gauge | 6 | |
| 14240120440 | Why are shackles used on leaf springs? | For stability purposes | 7 | |
| 14240123394 | Which battery cable should you connect first? | Positive | 8 | |
| 14240126879 | Which battery cable should be removed first? | Negative | 9 | |
| 14240130044 | What does a front stabilizer or sway bar do? | Keep car from rolling | 10 | |
| 14240133228 | What causes the center of a tire to wear? | rim width too narrow, misapplication, aggressive acceleration or under/over inflation | 11 | |
| 14240171851 | What is the solution of acid and water called in the battery? | Electrolyte solution | 12 | |
| 14240180326 | What part of the valve train rides directly on the cam? | The nippers | 13 | |
| 14240399488 | When bleeding brakes, which wheel do you bleed first? | Right Rear | 14 | |
| 14240182864 | What is the proper term for antifreeze in today's cars? | Ethylene Glycol | 15 | |
| 14240187336 | Why do you pressurize a cooling system? | To make sure the coolant doesn't boil | 16 | |
| 14240192965 | When load testing a battery, what should the voltage not go below? | 9.6V | 17 | |
| 14240196634 | What is charging system voltage supposed to be? | 13-15V | 18 | |
| 14240203946 | What part could you damage if you try to start while it's running? | The fly-wheel | 19 | |
| 14240206225 | In self-adjusting brakes, when does the adjusting occur? | When braking and reversing | 20 | |
| 14240208540 | What does a hydrometer measure? | specific gravity | 21 | |
| 14240210088 | What part holds the brake pads on the disk? | Brake Caliper | 22 | |
| 14240214792 | What do you use an AVR to check? | Amperage, voltage, resistance | 23 | |
| 14240220179 | How do you know if you have air in the brake lines? | Spongy Brake pedal | 24 | |
| 14240223011 | What are the 2 basic types of wheel brakes used on today's cars? | Disk brakes and drum brakes | 25 | |
| 14240226333 | In a P 205/70/R14 what does 70 mean? | the tire has an aspect ratio of 70% | 26 | |
| 14240275900 | When does the drive-line change in length? | Going over bumps | 27 | |
| 14240277694 | What determines the size of wire used in a circuit? | The amps going through it | 28 | |
| 14240280566 | What is always true about electricity? | Path of least resistance | 29 | |
| 14240283192 | How often do you rotate your tires? | Every other oil change | 30 | |
| 14240290355 | What causes a bulge in your tire? | A broken belt | 31 | |
| 14240299500 | When checking the fluid in an automatic transmission, what 2 things must happen? | Must be running in parking or neutral | 32 | |
| 14240511981 | Where are fuel filters located on fuel injected engines? | Along the high pressure line, located under the vehicle close to the fuel tank | 33 | |
| 14240517067 | Where are fuel filters on carbureted engines? | In or near the carburetor. | 34 | |
| 14240518894 | What is the minimum octane in today's cars? | 87 | 35 | |
| 14240520428 | What does a neutral safety switch control? | Car can only start in park or in neutral | 36 | |
| 14240522531 | What part of the suspension controls the height of the vehicle? | The Springs | 37 | |
| 14240525847 | What are the 3 types of springs? | Coil, leap, torsion | 38 | |
| 14240529490 | What is the purpose of a shock absorber? | Keeps car from bouncing | 39 | |
| 14240545076 | When the crank makes one turn how far does the cam go? | Halfway | 40 | |
| 14240547345 | Freeze plugs are a part of what system? | Cooling System | 41 | |
| 14240550788 | What is the cancer causing material in brake dust called? | Asbestos | 42 | |
| 14240554014 | What is the name for electrical current? | Amps or amperage | 43 | |
| 14240555920 | What is the name for electrical resistance? | OHMS | 44 | |
| 14240556897 | What is the name for electrical pressure? | Volts | 45 | |
| 14240560913 | A battery with 660 CCA should be load tested how much? | 300 or half | 46 | |
| 14240562339 | What does EGR stand for? | Exhaust Gas Recirculation | 47 | |
| 14240564924 | How many vaults does a fully charged battery have? | 12.6V | 48 | |
| 14240566333 | Wheels should always be torqued-- true or false? | True | 49 |