Deck 2: Engine Repair and Rebuilding Industry

Question 1

At times, the same model engine has been shared by different vehicle manufacturers.

Answer 1

True

Question 2

In years past is was common for an engine to require major cylinder head or block work before 100,000 miles.

Answer 2

True

Question 3

Many machine shops offer high performance engine building.

Answer 3

True

Question 4

Engine rebuilding by repair shops is as common today as it has been for years.

Question 5

Machine shops rely on local repair shops and dealerships for much of their engine work.

Question 6

Technician A says many engine repair shops also specialize in transmission repairs. Technician B says transmission repair shops are specialty shops separate from engine repair shops. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 7

Modern engines and transmissions require service by highly skilled and trained technicians.

Question 8

The most common types of machine shop repairs are cylinder head reconditioning.

Question 9

A core engine is one that is used for spare parts when rebuilding another engine.

Question 10

A core engine is:

A) a new engine that is a drop in replacement
B) a used engine that is disassembled for purposes of rebuilding in large volumes
C) a low mileage replacement engine that does not need service prior to installation
D) a used engine recycled for its metals to manufacturer a new replacement unit

Question 11

Technician A says installing a good used engine may be more cost effective for the customer than rebuilding an engine. Technician B says a used engine may not provide the same warranty and quality of a rebuilt engine. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 12

Which of the following is not an advantage of having CNC engine rebuilding equipment?

A) Increased accuracy
B) No training requirements
C) Reduced errors
D) Higher quality of machining

Question 13

All of the following are advantages of purchasing a rebuilt engine from a remanufacturer except:

A) Engine warranty
B) Higher cost
C) Quality control
D) Product availability

Question 14

Compared to newer engines, older engines:

A) Have a lower failure rate
B) Have higher failure rate
C) A failure rate about the same
D) Seldom, if ever, fail

Question 15

Technician A says after the initial cost of purchase, CNC equipment does not cost a shop owner any additional money to operate. Technician B says CNC equipment needs periodic maintenance and calibration. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 16

Technician A says a technician that does a lot of engine repair should be good in math. Technician B says engine rebuilding requires many precision measurements to be taken. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 17

Full service repair shops may perform maintenance work, such as oil changes, at a low cost to get new customers in the door.

Question 18

Technician A says most repair shops still rebuild cylinder heads and perform valve jobs on customer vehicles. Technician B says some shops may send the cylinder head to a machine shop for reconditioning. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 19

Machines such as valve grinders are not used in the full service shop as often as they used to be.

Question 20

A milling machine may be used to service:

A) Engine blocks
B) Cylinder heads
C) Flywheels
D) All of the above

Question 21

Some outside micrometers can be used to measure parts as small as 0.0001 inch.

Question 22

Rod heaters are used to install bearings into the connecting rods.

Question 23

____________________ equipment is used to more accurately machine engine parts.

Question 24

____________________ perform the majority of engine machining and repairs today.

Question 25

Plastigage is commonly used to measure crankshaft endplay.

Question 26

Torque plates are used during the boring and honing process.

Question 27

Explain how machine shops have had to adapt to changes in the automotive industry.

Question 28

What are the benefits of using CNC machining equipment?

Question 29

The same engine can be used be more than one vehicle manufacturer.

Question 30

Explain what a core engine is and how one is used.

Question 31

Torque to yield bolts should be replaced and not reused.

Question 32

There are a few specialized schools in the United States that teach ____________________ .

Question 33

Many shops now choose to install ____________________ because of the warranty on the product.

Question 34

A ____________________ is one that is disassembled for purposes of large volume rebuilding.

Question 35

The extra charge a customer may pay for a remanufactured engine until the old engine is returned is called a ____________________.

Question 36

A vacuum pump is used to remove unwanted debris from small areas that are hard to reach.

Question 37

A cylinder leakage tester can be used to diagnose worn piston rings.

Question 38

Volume can be measured in milliliters.

Question 39

A standard test gauge is needed to calibrate outside micrometers that have a range of 0-1".

Question 40

Full service repair shops are usually:

A) New and used car dealerships
B) Franchised businesses
C) Specialty shops
D) Independent shops

Question 41

What tool would most likely be used to measure valve clearance?

A) dial caliper
B) feeler gauge
C) dial indicator
D) inside micrometer

Question 42

Technician A says that a vacuum gauge measures the difference between intake manifold vacuum and atmospheric pressure. Technician B says that a vacuum gauge can help to diagnose worn piston rings. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 43

Valve guide renewing is being discussed. Technician A says that the valve guide reamer is used first during any process. Technician B says that the three common methods for renewing the guide are knurling, inserts, and welding. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 44

Technician A says that a cylinder bore gauge can be used to measure out-of-round. Technician B says that a cylinder bore gauge can be used to measure taper. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 45

Technician A says that align boring is performed to straighten the cylinders of an engine block. Technician B says that a cylinder hone is used to deglaze a cylinder wall. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 46

Flat rate pay gives the technician a salary that is paid each week according to how many hours they are present at work.

Question 47

What tool would be used to find a leak in the cooling system?

A) cooling system pressure tester
B) coolant hydrometer
C) cooling system vacuum tester
D) coolant spectrometer

Question 48

Technician A says that the best way to inspect drive belts made with EPDM is the three cracks in a three inch replacement rule. Technician B says that drive belts made with EPDM do not crack when they stretch and wear out. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 49

Ring compressors are being discussed. Technician A says that ring compressors are used to remove piston rings on pistons. Technician B says that ring compressors are used when installing a piston into the block. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 50

All DLC's on vehicles 1996 and newer can be found in the exact same location.

Question 51

Testing valve springs is being discussed. Technician A says that valve spring tension should be within 5% of specifications. Technician B says that dial-type spring tension gauges provide more accurate measurements than the ones that use torque wrenches. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 52

Outside micrometers are being discussed. Technician A says that on English system micrometers, sleeve markings are in .025 inch increments. Technician B says that on metric system micrometers, sleeve markings are in .005 millimeter increments. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 53

The use of a smoke leak detector is being discussed. Technician A says that a smoke leak detector can be used to find exhaust leaks. Technician B says that to find vacuum leaks, the throttle opening must be blocked off. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 54

How many places should you measure a cylinder to check for out-of-round?

A) 1
B) 2
C) 3
D) 4

Question 55

What tool would be best suited to measuring the movement of a component?

A) runout gauge
B) dial caliper
C) feeler gauge
D) dial indicator

Question 56

Technician A says an out-of-balance crankshaft must be replaced. Technician B says weight can be added or removed from a crankshaft journal to correct an out-of-balance condition. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 57

What would be used to measure the clearance between the main bearings and crankshaft?

A) dial caliper
B) Plastigage
C) aligning bar
D) feeler gauge

Question 58

What is used to display engine operating data from the PCM for the technician?

A) scan tool
B) DVOM
C) oscilloscope
D) analog meter

Question 59

A fuel pressure gauge would be used to find a fault in all of the following EXCEPT the ____.

A) fuel pump
B) fuel filter
C) fuel injector
D) fuel tank cap

Question 60

Which tool(s) are used to determine if a crankshaft straight?

A) V-blocks and dial indicator
B) V-blocks and dial caliper
C) Straight edge and feeler gauges
D) Torque plate and straight edge

Question 61

Describe the differences between an engine dynamometer and a chassis dynamometer.

Question 62

Describe how the ASE tests are written and what they are for.

Question 63

What type of engine requires the use of a high-pressure compression gauge?

Question 64

What are some of the advantages to being able to communicate well with your service advisor, employer, and customers?

Question 65

Explain the use of torque plates.

Question 66

Dial indicators can be used for all of the following measurements except:

A) Crankshaft end play
B) Camshaft out-of-round
C) Valve clearance
D) Valve lift

Question 67

For what does ASE stand?

Question 68

A torque angle gauge is used to measure:

A) Foot-pounds of torque
B) Degrees of circular movement
C) How much torque is applied over a specific distance
D) None of the above

Question 69

Which of the following traits describe a professional automotive technician?

A) Uses proper language
B) Has successfully completed technical education
C) Uses good communications skills
D) All of these

Question 70

How and why are end-gap grinders used?

Question 71

What device can be used to test an engine after rebuilding and prior to installing it in the vehicle?

Question 72

How many years of work experience must a technician have before ASE certification can be granted?

Question 73

Technician A says brush hones can always be used to obtain the correct cylinder bore finish. Technician B says hones cannot be used to correct for taper or out-of-round. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question 74

How do rod heaters work, and why are they used?

Question 75

An engine analyzer can be used in place of what other engine diagnostic tools?

Question 76

What are the gases measured by a five-gas analyzer?