Quiz Preview 5; Trades & Technology - Automotive

All of the following statements are true EXCEPT:

How long can power be retained in the high voltage system once it has been disabled?

When diagnosing a vibration, technician A asks the customer about any recent work that has been performed on the vehicle. Technician B says that misaligned engine or transmission mounts can cause vibration. Which technician is correct?

4

33°17' - 9°24'18" =

5

Which alignment angle will cause the vehicle to pull to the side which is most positive?

6

Technician A says that drum brakes work with brake shoes. Technician B says that drum brakes work with brake pads. Which technician is correct?

7

The electro-hydraulic power steering pump provides hydraulic power to the steering gear and ________

8

Which of these is the most common valve spring keeper?

9

The tool that MOST-Likely uses crushed walnut shells blasted by compressed air to remove carbon deposits is:

10

Technician A says that some intake manifolds are plastic. Technician B says that some intake manifolds are constructed in two parts or sections: upper and lower. Which technician is correct?

11

Perform an integrity test on high-voltage gloves each time before use.

12

What is the metal portion of a brake shoe normally called?

13

An engine with a turbocharger is a normally aspirated engine.

14

A loose power steering belt may cause all of these problems EXCEPT:

15

What are three ways that power tools are operated?

16

Technician A says a self-powered test light may be used to diagnose an air bag circuit. Technician B says a conventional 12 v test light may be used to diagnose automotive computer circuits. Who is correct?

17

The "brain" of the computer is the _____________

18

Technician A says that before removing the engine, the battery should be disconnected. Technician B says to assist in reassembly, you should mark all unfamiliar hoses and wires in the engine compartment. Who is right?

19

Technician A says that the 20 in 1⁄4 x 20 signifies the total number of threads the fastener has. Technician B says that the 1⁄4 signifies the socket size of the fastener head. Who is right?

20

Oscillating axles are most commonly found on these types of machines:

21

Technician A says that the back of all engine bearings should be lubricated during assembly. Technician B says that the face of the main and rod bearings should be lubricated before final assembly. Who is right?

22

Technician A says that some hybrid vehicles rely on one simple planetary gear set for their transmissions. Technician B says that a hybrid transaxle may contain two motor/generators. Who is correct?

23

What precautions should you take when performing an alternator test?

24

Technician A says that oil pressure that fluctuates from high to low can be caused by a sticking oil pump pressure relief valve. Technician B says that a stuck-closed pressure relief valve will result in high oil pressure at idle (at normal operating temperature). Who is right?

25

Output, as described in the System View Model, could be described as ______

26

A fused jumper wire can be used to power or ground a circuit during testing

27

Solve the following Ohm's Law problems: <img src="https://sciemce.com/files/2/ppg__cognero__Chapter_11_Automobile_Electrical_Systems__media__48896e2e-d466-490d-bf19-faebee4fa344.PNG" style="vertical-align: -41px;" width="62px" height="55px" align="absmiddle" />

28

An engine that is hard to turn due to a mechanical problem will have a higher than normal amperes reading during a starter draw test.

29

Technician A says that the primary seal of the secondary piston is leaking if fluid is seen leaking from the rear of the master cylinder. Technician B says air in the brake lines will cause a low brake pedal. Which technician is correct?

30

When removing a coil spring from a strut, some spring tension should be left on the upper strut mount before loosening the strut rod nut.

31

When de-powering a Toyota Camry hybrid or Lexus hybrid, how long should the technician wait before touching any of the high voltage components?

32

Which type of hammer is plastic coated, has a metal casing inside, and is filled with small lead balls?

33

All of the following statements are true EXCEPT:

34

The vehicle's generator converts ____________________ energy into ____________________energy.

35

As a result of a misfire, unburned hydrocarbons (HC) are exhausted from the combustion chamber into the exhaust system, where they enter the catalytic converter.

36

What type of headlight assembly is shown in the below illustration?

37

Current sensors are commonly used by the motor controller to help with the tasks of motor management. What type of sensor is used for this task?

38

The ____________________ front is the edge of the burning area inside the combustion chamber.

39

The 12.6 volt auxiliary battery used in a Toyota Prius is being discussed. Technician A says the battery is used to provide energy to systems other than the drivetrain. Technician B says if the auxiliary battery goes dead, the vehicle will operate normally using the high-voltage battery.. Who is correct?