Test Bank For Automotive Technology A Systems Approach 5th Edition by Jack Erjavec

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Test Bank For Automotive Technology A Systems Approach 5th Edition by Jack Erjavec

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Automotive Technology A Systems Approach 5th Edition by Jack Erjavec Test Bank

Chapter 2Workplace Skills

TRUE/FALSE

Even if youve never had a job, you still have skills to offer an employer.

ANS: T PTS: 1

A reference can be anyone, including a family member.

ANS: F PTS: 1

A rsum must be typewritten.

ANS: T PTS: 1

All previous jobs should be listed on a rsum.

ANS: F PTS: 1

The same cover letter should be sent out to all potential employers.

ANS: F PTS: 1

A job application is a legal document.

ANS: T PTS: 1

A social security number can be applied for on line.

ANS: F PTS: 1

Nonverbal communication includes body language and tone.

ANS: T PTS: 1

An automobile is usually one of the largest expenses a customer has.

ANS: T PTS: 1

The flat rate system favors technicians who work in small shops.

ANS: F PTS: 1

Symptom-based diagnostic charts focus on a definition of the problem and offer a list of possible causes of the problem.

ANS: T PTS: 1

When explaining a repair to a customer, you should always use precise and complex technical terms to impress the customer of your technical abilities.

ANS: F PTS: 1

New rules and regulations, supervisors, fellow employees, vehicle systems, and vehicles are not considered potential sources of stress.

ANS: F PTS: 1

MULTIPLE CHOICE

All the following are considered technical skills EXCEPT:

a.	ability to use a computer	c.	ability to play video games
b.	ability to work with people	d.	ability to solve puzzles

ANS: B

ability to work with people

PTS: 1

All of the following are considered soft skills EXCEPT:

a.	ability to work independently	c.	ability to do math problems
b.	ability to persuade people	d.	ability to negotiate with others

ANS: C

ability to do math problems

PTS: 1

Which of the following would NOT make a good reference?

a.	teacher	c.	adult friend
b.	pastor	d.	uncle

ANS: D

uncle

PTS: 1

Technician A says to include references on a rsum. Technician B says to state that references are available upon request. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

Ideally, a rsum should be _____ pages long.

a.	one to two	c.	three to four
b.	two to three	d.	four to five

ANS: A

one to two

PTS: 1

A cover letter should have _____ paragraph(s).

a.	one	c.	three
b.	two	d.	four

ANS: C

three

PTS: 1

Rsums are being discussed. Technician A says it is best to drop off a rsum in person. Technician B says to call back after three days to make sure they received it. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Technician A says getting ready for an interview should include learning about the company. Technician B says getting ready for an interview should include making a list of questions that might be asked. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

A thank-you letter should be sent within _____ of an interview.

a.	a week	c.	hours
b.	three days	d.	five days

ANS: B

three days

PTS: 1

The withholding allowance certificate form is also called a ______.

a.	W-1	c.	W-3
b.	W-2	d.	W-4

ANS: D

W-4

PTS: 1

A technician turns in 50 hours of work in a 40-hour workweek. He is being paid $20 per flat rate. How much is he actually making per hour?

a.	$20 per hour	c.	$25 per hour
b.	$50 per hour	d.	none of these answers is correct

ANS: C

$25 per hour

PTS: 1

All the following are employers responsibilities EXCEPT:

a.	wages	c.	instruction
b.	productivity	d.	fringe benefits

ANS: B

productivity

PTS: 1

Which of the following are considered part of effective communications?

a.	listening	c.	writing
b.	reading	d.	all answers are correct

ANS: D

all answers are correct

PTS: 1

Which of the following is NOT an employee responsibility?

a.	following directions	c.	attendance
b.	loyalty	d.	opportunity

ANS: D

opportunity

PTS: 1

Critical thinking is being discussed. Technician A says it is a way to evaluate something with bias. Technician B says good critical thinkers begin the process of problem solving by observation. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

Diagnostic aids include ______.

a.	decision trees
b.	symptom-based diagnostics
c.	a combination of decision trees and symptom-based diagnostics
d.	none of these answers is correct

ANS: C

a combination of decision trees and symptom-based diagnostics

PTS: 1

The first step in a logical diagnostic approach is to ______.

a.	gather information	c.	research the information
b.	verify the problem exists	d.	none of these answers is correct

ANS: A

gather information

PTS: 1

All the following demonstrate positive behaviors EXCEPT:

a.	initiative	c.	experience
b.	honesty	d.	self-esteem

ANS: C

experience

PTS: 1

Quitting a job is being discussed. Technician A says to send a letter of resignation in the mail. Technician B says give two weeks notice. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

Technician A says a bad driving record can prevent you from getting a job. Technician B say once you are hired, your employer cannot legally fire you if you lose your drivers license. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Technician A says a former employer or manager is not a good reference to put on your resume. Technician B says only people who work in the automotive service industry should be used as references. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: D

neither A nor B

PTS: 1

Cover letters should be addressed to ______.

a.	the title of the person	c.	to whom it may concern
b.	the name of the person	d.	no one

ANS: B

the name of the person

PTS: 1

COMPLETION

A(n) ____________________ is an honest appraisal of yourself and your career hopes.

ANS: employment plan

PTS: 1

A(n) ____________________ and ____________________ are considered personal marketing tools.

ANS:

rsum, cover letter

cover letter, rsum

PTS: 1

____________________ is a pay system in which a technician is paid for the amount of work done based on the time an average technician needs to be able to perform the job.

ANS: Flat rate

PTS: 1

Working in an automotive facility requires communication with ____________________, ____________________, and ____________________.

ANS:

supervisors, fellow employees, customers

fellow employees, customers, supervisors,

customers, supervisors, fellow employees

PTS: 1

The meaning of words can be altered significantly by changing the ____________________ of your voice.

ANS: tone

PTS: 1

ESSAY

Name three things that an employment plan should contain.

ANS:

Short-term goals, long-term goals, list of prospective employers

PTS: 1

What is the purpose of a personal skills inventory?

ANS:

It helps you to match your skills with an employers needs.

PTS: 1

Name five things that should be contained in a rsum.

ANS:

Contact information, skills/accomplishments, education, work experience, statement about references

PTS: 1

Describe the flat rate system.

ANS:

A pay system in which technicians are paid for the amount of work they do

PTS: 1

Explain the commission system for paying technicians.

ANS:

Technicians receive an hourly wage plus a percentage of what the shop received from the customer for performing various services.

PTS: 1

Chapter 4Hand Tools and Shop Equipment

TRUE/FALSE

The United States passed the Metric Conversion Act in 1985.

ANS: F PTS: 1

One inch equals 2.54 centimeters.

ANS: T PTS: 1

One square inch equals 6.452 square centimeters.

ANS: T PTS: 1

One liter equals 61.02 cubic inches.

ANS: T PTS: 1

One liter equals 3.7854 gallons.

ANS: F PTS: 1

Ten inch pounds of torque equals 13.558 Newton (N) meters.

ANS: F PTS: 1

One bar equals one pound per square inch.

ANS: F PTS: 1

Bolt length is measured from the top surface of the head to the end of the threads.

ANS: F PTS: 1

A telescoping gauge may be used to measure the outside diameter of an object.

ANS: F PTS: 1

Metric and SAE wrenches are interchangeable.

ANS: F PTS: 1

When installing a new hacksaw blade, the teeth should face rearward.

ANS: F PTS: 1

The acetylene tank can be placed horizontally or vertically when heating and cutting with an oxyacetylene torch.

ANS: F PTS: 1

A tapered punch is used to line up bolt holes.

ANS: T PTS: 1

A 12-point socket has more grip than a 6-point socket.

ANS: F PTS: 1

MULTIPLE CHOICE

What type of wrench should be used to loosen or tighten brake lines or tubing fittings?

a.	open-end	c.	combination
b.	box-end	d.	flare nut

ANS: D

flare nut

PTS: 1

Which of the following screwdrivers is like a Phillips but has a flatter and blunter tip?

a.	standard	c.	pozi-drive
b.	torx	d.	clutch head

ANS: C

pozi-drive

PTS: 1

Which of the following types of pliers is best for grasping small parts?

a.	adjustable	c.	retaining ring
b.	needle-nose	d.	snap ring

ANS: B

needle-nose

PTS: 1

An extractor is used for removing broken ______.

a.	seals	c.	pistons
b.	bushings	d.	bolts

ANS: D

bolts

PTS: 1

The tensile strength of a metric bolt can be identified by ______.

a.	numerical grade markings
b.	radial lines
c.	both numerical grade markings and radial lines
d.	neither numerical grade markings nor radical lines

ANS: A

numerical grade markings

PTS: 1

Which source of information will give you the most detail about a specific system or part?

a.	automotive technology textbooks	c.	owners manual
b.	aftermarket system service manuals	d.	manufacturers service manual

ANS: D

manufacturers service manual

PTS: 1

Which of the following measurements requires the use of a precision straightedge as well as a feeler gauge?

a.	piston ring end gap	c.	crankshaft end play
b.	connection rod side clearance	d.	cylinder head warpage

ANS: D

cylinder head warpage

PTS: 1

Machine screws can have a(n) _____ head.

a.	round	c.	oval
b.	torx	d.	all answers are correct

ANS: D

all answers are correct

PTS: 1

Technician A says antiseize compound is used to prevent bolts from seizing in aluminum. Technician B says thread sealant is used to prevent leaks. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Which screwdriver design has a square tip?

a.	pozi-drive	c.	clutch
b.	torx	d.	scrulox

ANS: D

scrulox

PTS: 1

Technician A says a vernier caliper can be used to measure the outside diameter of something. Technician B says a vernier caliper can be used to measure the inside diameter of a bore. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A says a tap cuts external threads. Technician B says a die cuts internal threads. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: D

neither A nor B

PTS: 1

Each number on the sleeve of a metric micrometer represents _____ mm.

a.	.05	c.	5
b.	.005	d.	none of these answers is correct

ANS: C

PTS: 1

Technician A uses a punch to align holes in parts during assembly. Technician B uses a punch to drive out rivets. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A uses a small hole gauge and micrometer to measure the inside diameters of small bores. Technician B uses a dial caliper to take depth measurements. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

A measurement must be made within one ten-thousandth of an inch. Technician A uses a machinists rule. Technician B uses a standard micrometer. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: D

neither A nor B

PTS: 1

All the following are types of lifts EXCEPT:

a.	frame contact	c.	wheel contact
b.	body contact	d.	axle engaging

ANS: B

body contact

PTS: 1

A straightedge and feeler gauge are used to measure _____.

a.	clearances	c.	runnout [wobble]
b.	warpage	d.	endplay

ANS: B

warpage

PTS: 1

A 3/8 inch UNC bolt is being discussed. Technician A says that the bolt diameter is 3/8 inch and that it has 16 threads per inch. Technician B says that the bolt meets the measurement standards developed by the University of North Carolina. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Technician A says a bolt may break because the fillet is damaged. Technician B says that a bolt may become fatigued and break if it is undertightened. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A torques critical parts using an impact wrench. Technician B torques critical parts with an air ratchet. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: D

neither A nor B

PTS: 1

The bolts used to attach an engine sling to the engine must thread into the cylinder head or block _____ times the diameter of the bolt.

a.	1	c.	2
b.	1	d.	2

ANS: B

PTS: 1

If the number 8.8 is stamped on the head of a bolt, the bolt is ______.

a.	a metric bolt	c.	a UNF bolt
b.	a UNC bolt	d.	a grade 8 bolt

ANS: A

a metric bolt

PTS: 1

NPT stands for ______.

a.	nickel plated threads	c.	nominal proportion thread
b.	nonplated threads	d.	national pipe thread

ANS: D

national pipe thread

PTS: 1

Technician A says coarse threaded bolts are used where superior holding force is necessary. Technician B says bolts that have rolled threads are 30 percent stronger than bolts with cut threads. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

In an oxyacetylene welding torch the acetylene hose is colored _____.

a.	red	c.	green
b.	blue	d.	yellow

ANS: A

red

PTS: 1

Turning effort [the amount of torque it takes to maintain rotation of a gear or shaft] can be easily measured using a _____type torque wrench.

a.	click	c.	digital readout
b.	dial	d.	all answers are correct

ANS: C

digital readout

PTS: 1

Technician A removes rivets with a hammer and screwdriver. Technician B removes rivets with a hammer and punch. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

A dial caliper is accurate to _____ inch.

a.	.0001	c.	.002
b.	.001	d.	.010

ANS: C

.002

PTS: 1

To prevent vibration from loosening the fasteners, locknuts have _____ inserted into a section of the threads.

a.	copper	c.	polycarbonate
b.	aluminum	d.	nylon

ANS: D

nylon

PTS: 1

COMPLETION

The two systems of weights and measures that exist side by side in the United States are the British Imperial (U.S. customary) system and the ____________________ system.

ANS:

International

Metric

PTS: 1

A UNC bolt with three radial lines (marks) on its head has a tensile strength grade of ____________________.

ANS:

five

PTS: 1

The ____________________ wrench has an open-end jaw on one end and a box-end on the other.

ANS: combination

PTS: 1

A(n) ____________________ wrench has one fixed jaw and one movable jaw.

ANS: adjustable

PTS: 1

A(n) ____________________ screwdriver has a six-pronged tip.

ANS: torx

PTS: 1

Combination pliers are often called ____________________ pliers.

ANS: slip-joint

PTS: 1

To avoid personal injury, files should always be used with a(n) ____________________.

ANS:

handle

plastic handle

wooden handle

PTS: 1

A(n) ____________________ manual contains standards for the length of time a specific repair is supposed to require.

ANS: flat-rate

PTS: 1

Trouble lights are designed to use a standard incandescent bulb or a(n) ____________________ bulb.

ANS:

fluorescent

LED

PTS: 1

A(n) ____________________ gauge is a thin strip of metal or plastic of known and closely controlled thickness.

ANS: feeler

PTS: 1

A(n) ____________________ press is used to install piston pins, axle bearings, drum and rotor studs.

ANS: hydraulic

PTS: 1

A(n) ____________________ punch is used to make an indent prior to drilling a hole in a steel bracket.

ANS:

center

starter

prick

PTS: 1

A(n) ____________________ hammer should be used to install gears and shafts in a transmission.

ANS:

brass

soft faced

PTS: 1

A(n) ____________________ extension allows the socket to pivot up to 16 degrees.

ANS: wobble

PTS: 1

A telescoping gauge is also called a(n) ____________________ gauge.

ANS: snap

PTS: 1

A(n) ____________________ gauge is used to measure the number of threads per inch on a bolt.

ANS: thread pitch

PTS: 1

ESSAY

Identify some common uses of a dial indicator.

ANS:

Uses include measuring valve lift, journal concentricity, flywheel or brake rotor runout, gear valve guide clearance, backlash, and crankshaft end play.

PTS: 1

What are some safety issues concerning the use of power tools?

ANS:

Avoid being careless or mishandling power tools; do not use unless you have obtained your instructors permission; know how to operate it; and prior to using it read the instructions carefully.

PTS: 1

Describe the proper usage of a hacksaw.

ANS:

Fine-toothed blade is best for thin sheet metal; a coarse-toothed blade is best on thick metals; avoid bearing down on the blade while pulling it toward you, and use the entire blade while cutting.

PTS: 1

How are hammers identified?

ANS:

By the material and weight of the head

PTS: 1

What is the best source for vehicle identification?

ANS:

The VIN number

PTS: 1

Identify and describe the purpose of three washer designs used with fasteners.

ANS:

Flat washers spread out the load; soft flat/cooper washers seal the components; and lock washers keep the fastener and work pieces from coming loose.

PTS: 1

How often should the calibration of a micrometer be checked?

ANS:

At least once a week or if the micrometer has been dropped

PTS: 1

Describe how manufacturers inform technicians about changes in current model year vehicle specifications and repair procedures.

ANS:

Service and technical service bulletins (TSBs) inform technicians of changes.

PTS: 1

List three types of wheels available for use with a bench grinder.

ANS:

Grinding wheel; wire wheel; and buffing wheel

PTS: 1

What determines the size of an open-end wrench?

ANS:

The size of the jaw opening in metric or SAE dimensions

PTS: 1

Name the parts of a bolt.

ANS:

head

shank

threads

fillet

washer face

shoulder

head wrench size

thread pitch

PTS: 1

Chapter 12Upper End Theory and Service

TRUE/FALSE

A cylinder head may be made of cast iron or aluminum.

ANS: T PTS: 1

To protect against scuffing and wear, some valves have coatings of black nitride applied to the valve stem.

ANS: T PTS: 1

The hemispherical combustion chamber provides excellent turbulence to the air and fuel mixture.

ANS: F PTS: 1

Sodium-filled valves should be cut open for inspection.

ANS: F PTS: 1

Powder metal valve seats are softer and do not last as long as cast iron seats.

ANS: F PTS: 1

Aluminum cylinder heads weigh roughly half as much as cast-iron heads.

ANS: T PTS: 1

Aluminum expands and contracts almost twice as much as cast iron in response to temperature changes.

ANS: T PTS: 1

Aluminum cylinder head bolts should never be loosened or tightened when the metal is hot.

ANS: T PTS: 1

Many camshaft journals run directly on aluminum supports and do not use bearing inserts.

ANS: T PTS: 1

Resurfacing a cylinder head gasket surface may alter the combustion chamber volume.

ANS: T PTS: 1

The performance of an engine, its fuel efficiency, and its exhaust emissions all depend to a large extent on the shape of the combustion chamber.

ANS: T PTS: 1

Stainless steel is nonmagnetic.

ANS: T PTS: 1

MULTIPLE CHOICE

Which of the following can be reconditioned by grinding?

a.	valve face	c.	both valve face and valve tip
b.	valve tip	d.	neither both valve face nor valve tip

ANS: C

both valve face and valve tip

PTS: 1

Which of the following is NOT true of knurling?

a.	It is one of the fastest techniques for restoring the inside diameter (ID) dimension of a worn valve guide
b.	It reduces the amount of work necessary to reseat the valve
c.	It is useful for restoring badly worn guides to their original condition
d.	None of these answers is correct

ANS: C

It is useful for restoring badly worn guides to their original condition

PTS: 1

To ensure proper seating of the valve, the valve seat must _____.

a.	be the correct width
b.	have the correct location on the valve face
c.	be concentric with the guide
d.	all answers are correct

ANS: D

all answers are correct

PTS: 1

Technician A says the valve seats must be ground before the valve guides are serviced. Technician B says before grinding the valve seats, they should be checked for cracks. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: B

B only

PTS: 1

A typical interference angle is _____ degree(s).

a.	30	c.	45
b.	1	d.	46

ANS: B

PTS: 1

Which type of surfacing machine uses underside rotary cutters?

a.	milling	c.	belt
b.	broaching	d.	grinding

ANS: B

broaching

PTS: 1

A single hole in the cylinder head that divides into two branches is called a _____ port.

a.	dual	c.	combination
b.	siamese	d.	two-stage

ANS: B

siamese

PTS: 1

What is typically the maximum amount of warpage that is acceptable on a cast-iron cylinder head?

a.	0.002 in. (.05 mm)	c.	0.004 in. (.102 mm)
b.	0.003 in. (.076 mm)	d.	0.005 in. (.127 mm)

ANS: C

0.004 in. (.102 mm)

PTS: 1

Multiple valve engines tend to be more efficient than engines with two valves per cylinder because:

a.	larger valve area improves the air flow in and out of the cylinder
b.	air velocity is increasedespecially at low engine speed; this increases air flow
c.	smaller and lighter valves require less spring tensionless engine power is lost to spring opening drag
d.	all answers are correct

ANS: D

all answers are correct

PTS: 1

Valve springs should be checked for all of the following EXCEPT:

a.	freestanding height	c.	compressed height
b.	squareness	d.	open pressure

ANS: C

compressed height

PTS: 1

Technician A says worn valve stem seals can increase oil consumption. Technician B says worn valve stem seals can cause valve deposits. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A says positive valve stem seals fit tightly around the top of the stem. Technician B says positive stem seals scrape oil off the valve as it moves up and down. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Cylinder head warpage can be measured with _____.

a.	a straightedge and feeler gauge	c.	a surface gauge
b.	a dial indicator	d.	a ball gauge and outside micrometer

ANS: A

a straightedge and feeler gauge

PTS: 1

Technician A says VVT [variable valve timing] engines use a cam phaser that advances or retards the camshaft as the engine is running. Technician B says VVT engines use a third cam lobe with increased lift and duration, operating a third rocker arm that is coupled to the two primary rocker arms by a hydraulically controlled pin, while the engine is running. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A says if valve stem height exceeds specifications, it can be adjusted by grinding the valve tip. Technician B says the valve stem height can be adjusted with shims. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Technician A uses a 30-degree stone for topping a 45-degree valve seat. Technician B uses a 60-degree stone to lower a 45-degree valve seat. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Hemispherical combustion chambers are being discussed. Technician A says the flame path from the spark plug to the piston head is short, which provides efficient burning. Technician B says cross-flow arrangement of the inlet and exhaust valves allows for a relatively free flow of gases in and out of the chamber. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A says heat is transferred from an exhaust valve to the cylinder head through the valve seat. Technician B says some exhaust valves have a hollow stem filled with silicone to transfer heat to the valve guide. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: A

A only

PTS: 1

Technician A says multivalve engines can have three valves per cylinder. Technician B says multivalve engines can have five valves per cylinder. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Technician A says multivalve engines have a more complete combustion than conventional engine designs. Technician B says the benefits of multivalve engines are offset to some extent because a more complicated camshaft arrangement is needed. Who is correct?

a.	A only	c.	both A and B
b.	B only	d.	neither A nor B

ANS: C

both A and B

PTS: 1

Induction-hardened integral valve seats are found on _____ cylinder heads.

a.	aluminum	c.	both aluminum and cast iron
b.	cast iron	d.	neither aluminum nor cast iron

ANS: B

cast iron

PTS: 1

_____type valve stem seals move up and down with the valve stems to deflect oil away from the guides.

a.	Positive	c.	O-ring
b.	Umbrella	d.	Lip

ANS: B

Umbrella

PTS: 1

After resurfacing a valve seat at 45 degrees, the seat is too wide and the contact pattern extends all the way up to the valve margin. What should be done to bring the seat width into specifications?

a.	Make a 30-degree topping cut	c.	Make a 60-degree throat cut
b.	Make a 45-degree seat cut	d.	Replace the valve

ANS: A

Make a 30-degree topping cut

PTS: 1

Technician A checks for bent pushrods by rolling them on a flat surface. Technician B checks for bent pushrods using a dial indicator and V-blocks. Who is correct?