Auto 101 Final

A(n) ____ is a set of fitted parts designed to complete a specific function.

assembly

An automotive ____ is a group of related parts and assemblies that perform a specific job.

system

Technician A says that the chassis of an automobile typically includes everything but the body. Technician B says that the chassis is just another name for the vehicle's body. Who is right?

A only.

Technician A says that unibody vehicles are generally lighter and more fuel efficient than body-over-frame vehicles. Technician B says that full-size trucks always use body-over-frame construction. Who is correct?

Both A and B

All of the following are major components in the computer system except:

calipers

The fuel in a gasoline injection system is sprayed into the combustion chamber by these parts:

injectors

An automotive technician makes a living _____ cars, vans, and light trucks.

diagnosing, servicing, and repairing (all of the above)

The initials ASE stand for ____.

Automotive Service Excellence

Today’s vehicles are as much electronic as they are mechanical.

True

There are many automotive careers that do not require a great deal of mechanical  ability.

True

An apprentice mechanic learns “on the job” from an experienced technician.

True

Technician A says that one way to prevent accidents is to avoid people who are careless. Technician B says that one way to prevent accidents is to keep an orderly workplace. Who is right?

Both A and B

Eye protection should be worn when:

carrying batteries, operating power tools, working by a running engine (All of the above)

When lifting heavy objects, always lift with your ______.

legs

Which of the following is not one of the safety rules that apply when working with gasoline?

Soak up any spills with an oil absorbent

Asbestos dust, which can cause cancer, is found in:

brake and clutch assemblies

A respirator is a:

filter mask

Hydraulic floor jacks should be used along with:

support stands or jack stands

A Safety Data Sheet (SDS) is provided for each of the following products listed below except:

coil springs

The Environmental Protection Agency (EPA) enforces Federal ______ laws.

vehicle emissions

If you use power tools carefully, wearing eye protection usually is not necessary.

False

Car batteries can explode.

True

Speed is more important than doing the job right.

False

Investigates suspected violations of vehicle waste disposal and emission laws.

EPA

Used in air conditioners.

Refrigerant

Document that lists all known dangers of a chemical.

Safety Data Sheet

Return value of a rebuildable part.

Core value

Footwear with a steel insert.

Steel-toed shoes

A cylinder bore must be precisely measured. Technician A says that the proper measuring tool for this job is a telescoping gauge. Technician B says an inside micrometer should be used. Who is right?

B only.

The tool used to measure small clearances or gaps between parts is called a(n) ____.

feeler gauge

To convert inches to millimeters, multiply by ____.

25.4

Which of the following is a metric value?

Millimeter

An automotive piston’s connecting rod is 8” long. What is the approximate length of this connecting rod in millimeters?

203.2 mm

Which of the following is a special micrometer used in auto technology?

Both A and B

Which of the following instruments measures in pounds per square inch (psi)?

Pressure gauge

Which of the following is the decimal equivalent of 35%?

0.35

Volume can be measured in each of these except:

kilopascals

Which of the following is used to make high-precision measurements?

Vernier caliper

Each number on the sleeve of a customary micrometer equals:

0.100”

Which type of gauge is used to measure the distance between unparallel or curved surfaces?

Wire feeler gauge

A dial indicator measures part movement in:

thousandths of an inch

The tool used to measure very small part movements is a dial indicator.

True

A metric micrometer is graduated to provide readings in tenths of inches.

False

For measuring purposes, the circle is divided into 720 degrees.

False

Basic units are in powers of 10.

Metric system

Method of finding out how many times one number is contained in another.

Division

Measured in foot-pounds or Newton-meters.

Torque

Used to measure clearances or small gaps between parts.

Feeler gauge

Shortcut for adding the same number over and over.

Multiplication

Unit of measure for angles.

Degrees

A wrench that completely surrounds the bolt head or nut is called a(n) ____ wrench.

box-end

The ____ punch is used to make a small indentation in metal before drilling a hole.

center

When using a hacksaw, you should only apply pressure ____.

on the forward stroke

Which of the following is not a socket wrench drive size?

5/8”

Special impact sockets and extensions are easily identified because they are ____.

flat black

A broken bolt must be replaced. Technician A says that thread pitch is the same as thread coarseness. Technician B says that bolt head markings specify the tensile strength of a bolt. Who is right?

Both A and B.

Which of the following is used with a castle nut to prevent it from turning?

Cotter pin.

A soft, flexible material that is placed between stationary parts to prevent leakage is called a ____.

gasket

A magnetic pickup will attract any kind of metal.

False

Sealer must always be used when installing a gasket.

False

A seal is used to prevent leakage between a stationary part and a moving part.

True

The only way to remove a broken bolt is to drill it out.

False

Both keys and splines prevent a part from turning on a shaft.

True

Tool for cutting threads in a hole.

Tap

Used to cut external threads on metal rods, bolts, shafts, and pins.

Die

Gasket-forming material used on flexible flanges.

RTV

Fastener with internal threads.

Nut

Has lead shot inside to prevent rebound.

Dead blow hammer

Has one flat face and one rounded end.

Ball peen hammer

Has large, heavy head for powerful blows.

Sledge hammer

Recommended for metal wheel covers

Rubber mallet

Has soft, heavy head to prevent parts damage

Brass hammer

What is a small booklet given to the purchaser of a new vehicle that contains basic information on starting the engine, maintaining the car, fluid types, and fluid capacities?

Owners manual.

Which of the following is not found in service information?

Driving tips

Which of the following is not a common type of diagnostic chart?

Track diagnosis chart

A _______ is a form used by technicians to record information about a vehicle that is being serviced.

work order

Which of the following should be used when calculating the cost of a repair?

Flat-rate manual

Why is the vehicle identification number (VIN) important?

Both A and B.

A VIN number can provide all of the following vehicle information except:

manufacturing cost

Not only is a work order used as an invoice, but in some cases a work order is used to prepare an estimate.

True

Online service providers such as Identifix, Mitchell, and AllData compile service and repair information for thousands of vehicles and make this information available to independent repair facilities via the Internet.

True

There are four basic diagnostic charts. They are tree, block, illustrated, and component location charts.

True

A flat rate manual helps the technician stay up-to-date with recent technical changes, common repair problems, and other service-related information.

False

During a complete lubrication service, all of the following are done except:

Check ride height

When changing engine oil, Technician A says the engine oil should be warm. Technician B says the oil should be cool. Who is right?

A only.

During an oil change, Technician A says to use an oil filter wrench to remove the old oil filter. Technician B says to apply a little oil to the seal on the new filter to aid installation. Who is correct?

Both A and B

When checking automatic transmission fluid, the following should be done.

Engine running, transmission in park

Which of the following contaminants is not likely to be found in transmission oil?

Gasoline.

A vehicle with an automatic transaxle enters the shop with 150,000 miles on its odometer. Technician A tells the customer that she should change the transmission fluid. Technician B says this could be a big mistake because the loss of friction material in the old fluid could make the worn bands and clutches slip, stopping the car "dead in its tracks." Who is correct?

B only

Engine coolant consists of ____.

water and antifreeze

When checking radiator coolant levels by removing the radiator cap, the coolant level should be ____ with the top of the filler neck.

1” below

The fluid level in an automotive master cylinder should be checked:

at least twice a year

When checking hose conditions, which would indicate the need for replacement?

Softening, Hardening, Cracks or abrasions. (All of the above.)

If you find fluid dripping from a vehicle, where is the likeliest direction to look for the actual leak?

Above and in front of the drip point.

A large repair facility recycles its used motor oil. Technician A says that only about one quart of high-quality oil can be recovered from each gallon of used oil that is recycled. Technician B says the recovery rate is about two and one-half quarts per gallon. Who is right?

B only.

A long screwdriver can be used like a stethoscope to listen to engine sounds.

True

If certain fluids are not changed at recommended intervals, they can cause damage to vehicle systems.

True

A filter wrench should be used to “snug up” the filter after an oil change.

False

Transmission fluid should be checked with the engine warmed up and running and the gear selector in “Park.”

True

If examination reveals rusty engine coolant, the system should be drained and filled with new coolant.

True