Quiz Step by Step 3' Trades & Technology - Automotive

What items should be checked when running an engine for the first time?

What other engine component may have to be machined if the cylinder heads are machined on a V- type engine?

Which type nut is used on top of a regular nut to prevent loosening of the fastener?

Technician A says that the torque converter should be removed with the transmission. Technician B says that it is easier to leave the torque converter attached to the engine. Which technician is correct?

5

What is the difference in appearance between an in-line engine rod journal and a V8 rod journal?

6

All are functions of the modern fuel system except:

7

When refueling a CNG vehicle, why is it recommended that the tank be filled to a high pressure?

8

The accelerator pedal position sensor uses ________ sensor(s), which act together to give accurate accelerator pedal position information to the controller

9

A liquid under pressure may change from a liquid to a gas in response to temperature changes.

10

occurs when the wheel hits a bump and moves up

11

Liquids are always compressible.

12

All of the following statements are true EXCEPT:

13

A backup camera system can may be integrated with the vehicle ________ system

14

In order for a camshaft to make one full rotation, the crankshaft will rotate 720 degrees.

15

How would you check the passive restraint system after an accident?

When a vehicle has been in an accident, all of the parts of the passive restraint system will have to be checked. The seat belts are inspected for fraying and ease of operation. Pull the web all the way out of the retractor to give it a thorough inspection. Connect the ends of the buckle to be sure it clicks and releases correctly. If a problem is found, replace the belt assembly.

Check the centrifugal belt retractor by pulling it hard. Centrifugal force should make it catch. The belt should be able to move out of the retractor when it is pulled slowly. A pendulum belt retractor depends on the vehicle stopping quickly to provide inertia to set the belt. During a road test, brake suddenly at a speed over 10 mph to determine if this retractor is working.

When seat belts are equipped with pretensioners, you can tell they were deployed if the belts are difficult to buckle. A pretensioner that has been deployed must be replaced.

16

Excessive oxygen in the exhaust gas stream will cause a zirconia oxygen sensor to:

17

Ethics is based upon _______

18

What are the three criteria in classifying an engine?

19

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

20

What is the color of the warning light that indicates hydraulic system failure?

21

A growler is used to test what starter component?

22

The major event in history that resulted in the need for the development of traditional management is ________

23

Which item is a computer input sensor?

24

What are some of the drawbacks of the generator when compared to the alternator?

25

Two-speed wiper motors generally use ________ to achieve the two speeds

26

Which of the following is NOT one of the corrosion protective steps automobile manufacturers use?

27

Which type of relief valve used on a turbocharged engine is noisy?

28

A vehicle equipped with a V-8 engine does not crank fast enough to start. Technician A says that the battery could be discharged or defective. Technician B says that the negative cable could be loose at the battery. Who is right?

29

A coolant heat storage tank can keep coolant warm for a maximum of ________ days.

30

Before installing or starting a new or rebuilt engine, all of the following items should have been checked, EXCEPT ________

31

All these methods can calculate airflow EXCEPT ________

32

A vacuum pump that has been selling for $23.50 is put on sale for $17.22. What percent discount is this? Round to the nearest tenth.

33

Of the measuring devices listed below, which is the most accurate in measuring cylinder bore size?

34

The tenth character represents the year of the vehicle. If the tenth character is a "B" what year is the vehicle?

35

Technician A says that reprogramming a PCM using the J2534 system requires a factory scan tool. Technician B says that reprogramming a PCM using the J2534 system requires Internet access. Which technician is correct?

36

Soap is likely to be found in a:

37

The wipers operate properly in the manual mode, but not in the automatic mode. Technician A says the problem may be caused by a fault in the bus network. Technician B says the problem may be caused by a faulty rain sensor module. Who is correct?

38

Which relay terminal is the normally closed (NC) terminal?

39

Crankshaft journals are checked for which of these?

40

How many brushes are typically used in the automotive starter?

41

After stating the like quantities, it is necessary to reduce the ratio to ____________________ terms.

42

You need to have a sincere interest in the other party and make a concerted effort to understand them if real communication is to occur

43

While discussing an alternator that has zero output, Technician A states that the field circuit might have an open circuit. Technician B states that the fusible link might be open to the alternator from the battery. Who is correct?

44

Semiconductors have how many electrons in their valence rings?

45

Most TP sensors have how many wires?

46

What type of screwdriver is used when the screw head has one slot?

47

Change the following amount of time into its decimal equivalent of an hour. 15 minutes

48

What gears produce the final drive ratio?

49

Technician A says that horn frequency can range from 1,800 to 3,550 Hz. Technician B says that most horn circuits use a relay and the current through the relay coil is controlled by the horn switch. Who is right?

50

A technician connects one lead of a digital voltmeter to the positive (+) terminal of the battery and the other meter lead to the battery terminal (B) of the starter solenoid and then cranks the engine. During cranking, the voltmeter displays a reading of 878 mV. Technician A says that this reading indicates that the positive battery cable has too high resistance. Technician B says that this

51

Technician A says leaking valves could cause noticeable popping noises from the engine. Technician B says worn piston rings could cause a lack of power. Who is correct?

52

For a metric micrometer reading of 6.54 mm, how many thimble divisions are there?

53

Vacuum boosters generate their application energy through the ____________________ between engine vacuum and atmospheric pressure.

54

Gear ratios are computed by dividing the drive gear by the driven gear.

55

Compare and contrast reverse blending and wet-bedding.

56

A ____________________ is used to determine if a fuel injector is receiving the proper voltage pulse.

57

Technician A says that if the engine was removed with the transmission attached, the transmission should be reinstalled on the engine before other accessories are added. Technician B says that he flywheel attaching bolt holes are always evenly spaced so that the flywheel will fit in any way. Who is right?

58

Technician A says that fuel filters are located in the fuel supply line. Technician B says that fuel filters are located in the fuel return line. Which technician is correct?

59

Answer the following statements true (T) or false (F)

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Quiz Step by Step 3' Trades & Technology - Automotive

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