Chapter 4; Trades & Technology - Automotive

1

The term used to describe what happens on a very cold morning inside an axle housing with too high of a viscosity oil is:

2

By looking at the way diagnostic trouble codes are formatted, which DTC could indicate the gas cap is loose or defective?

3

Technician A says the exhaust gas from the cylinders of a turbocharged engine is directed past the turbine wheel. Technician B says the exhaust gas from the cylinders of a turbocharged engine is directed past the compressor wheel. Who is correct?

4

Describe where direct fuel injection delivers fuel.

5

Technician A says that an electronic control module used in the suspension system is the same as that used for engine control. Technician B says that most electronically controlled suspension systems use a separate electronic control module. Which technician is correct?

6

A fuel filter has been accidentally installed backwards. What is the most likely result?

7

If a vehicle computer fails, what should the technician do before replacing the computer?

8

Which of the following parts is LEAST-Likely to be included in the valve train?

9

Which of the following is true of compressed air?

10

What is a unit of measured resistance called?

11

Which of these is also known as electrical potential?

12

Excessive rear chassis lateral movement may be caused by:

13

Technician A says that leaf springs are mounted length-wise on the rear of many vehicles. Technician B says that some vehicles use transversely mounted leaf springs on the rear. Which technician is correct?

14

The HV battery is normally kept at a state of charge (SOC) target of ________ percent

15

As with cranking compression, the running compression pressure at idle of all cylinders should be equal and ________ the cranking compression readings

16

______________________________ provides easy access to a user-customized database of recycled parts and suppliers in North America and Canada.

17

Technician A says a Zener diode breaks down at a specific voltage and will block current flow in both directions. Technician B says a Zener diode breaks down at a specific voltage and allows current to flow in either direction. Who is correct?

18

You can assume that turning off the car and removing the key depowers the high-voltage system, making it safe to work with.

19

Electronic voltage regulators use a temperature-sensitive resistor in the regulator circuit. This resistor, called a thermistor, provides lower resistance as the temperature __________

20

Even though the CAN-IHS bus shares the physical properties of the CAN-C bus, it does not have the same limited fault tolerance levels.

21

Technician A says that the powertrain control module (PCM) or controller can control the voltage to the motor(s) in a hybrid electric vehicle. Technician B says that the PCM or controller can control the electric motors by varying the frequency of the applied current. Which technician is correct?

22

Two technicians are discussing non-indicator type ball joint inspection. Technician A says that the vehicle should be on the ground with the ball joints loaded, then checked for free play. Technician B says the ball joints should be unloaded before checking for free play. Which technician is correct?