Pre Exam Quiz 5; Trades & Technology - Automotive

Some vehicles have left-hand threaded wheel studs and nuts on the driver’s side of the vehicle.

Which of these is a single-wire serial communications protocol, using one master control module and many slave modules?

During light acceleration, the Toyota power-split system motor/generator 1 (MG1) is ________.

Shaft A has a diameter of 75 mm and shaft B has a diameter of 39 mm. What is the difference in diameter between the two shafts?

5

Low supply voltage at the fuel pump may result in low fuel pump volume.

6

What variables control the different shades of metallic colors?

7

Technician A says a unibody vehicle must be tied down to a bench to form a frame because the vehicle has none. Technician B says that when making corrective pulls on a unibody, one must pull in only one direction at a time to avoid overpulling it, and thus causing additional damage. Who is correct?

8

What precautions should you take when bleeding pressure from a fuel system?

1. Before removing a fuel tank, remove the battery ground cable to avoid an accidental spark.
2. Gasoline weighs about 7 pounds per gallon. A full tank could easily weigh in excess of 100 pounds. Attempting to remove it while full could result in a dangerous gasoline spill or an injury. Remember: Gasoline vapor is extremely flammable.
3. Wear safety glasses and do not use a drop light. Liquid falling on the hot glass can cause the bulb to explode. If it is accidentally dropped or has a bad switch or loose connections, it can cause a fire.
4. Work in a well-ventilated area with no possible source of ignition, such as running cars or electrical equipment.
5. After draining a fuel tank, seal all openings.
6. Even if a tank has been thoroughly flushed, it will still contain flammable vapors. Attempting to weld it can result in an explosion. Before welding, the tank is filled with an inert gas such as CO2.

9

The brake drum or rotor is attached to and rotates with the ________

10

Technician A says adjusting doors should be done by loosening all bolts on both hinges and moving the door. Technician B says the fore and aft adjustments are made on the hinge-to-pillar location. Who is correct?

11

The PCM controls cam timing by use of ________

12

Idler gears are uninvolved with "driving" anything; they are used to reverse the direction of rotation.

13

A vehicle is able to drive 417.0 miles on 15.8 gallons of gasoline. What is this vehicle's average fuel economy? Round your answer to the nearest tenth

14

The high-pressure fuel pressure is regulated by using ________

15

All of the following are types of vacuum boosters EXCEPT:

16

In shaping the fingernail, the nail is filled:

17

What statement is true about ABS systems?

18

What is each computer that is connected to the data bus is called?

19

Before the airbag can inflate, the squib circuit must have a ground. The ground is provided through the actuation of which of these?

20

Technician A says that OAT type coolant should be changed every 2 years. Technician B says that IAT type coolant should be changed every 2 years. Which technician is correct?

21

The temperature of heated seats is regulated by ________

22

Two technicians are discussing the installation of a rebuilt engine into a vehicle. Technician A says that the radiator should be flow tested to help ensure that the engine will not overheat. Technician B says that a new thermostat should be installed. Which technician is correct?

23

_________________________ includes the upholstery as well as the plastic panels, covers, and moldings that fit over the pillars, headers, rockers, and other unattractive parts in the passenger compartment.

24

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

25

When two separate tapered roller bearings are located in a front hub assembly on a front-wheel-drive vehicle, the wheel bearing endplay adjustment is provided by:

26

A technician suspects that the exhaust gas recirculation (EGR) valve is closed. Which of the following would indicate a closed EGR valve

27

When accelerating a Prius from a stop, at what speed does the ICE begin to supply torque to propel the vehicle?

28

Which type of washer is used to provide an even clamping force?

29

The BEV propulsion system is made up of two primary components: the traction motor and the ____________________.

30

The higher the cetane rating, the ________

31

Driver and/or passenger front airbags will only deploy if a collision occurs how many degrees from straight ahead?

32

Voltage will exist between any two points in a circuit unless the potential drops to zero.

33

The FMVSS 138 law requires that the driver be notified if the tire inflation pressure drops how much?

34

The total circuit resistance of a parallel circuit is always ________ the lowest resistance present in any branch of the circuit

35

What tool should be used on the oiling system prior to starting a new engine for the first time and if it is available?

36

UART uses a ________ signal that toggles 0

37

Technician Asays the electronic cruise control system may use a normally open vent valve. Technician B says the electronic cruise control system may utilize the electronic throttle control system. Who is correct?

38

____________________ revolve between the ring gear and sun gear.

39

Which activity does NOT allow a person to perform any work while at the shop?

40

If the starter turns slowly when engaged, a possible cause is ________

41

A P0300 DTC means ________

42

While discussing center of gravity, Technician A says that on front-wheel-drive (FWD) cars, the center of gravity is usually slightly in front of the driver's seat, beneath the steering wheel. Technician B says that the center of gravity is usually below the driver's seat. Who is correct?

43

It is not good for the battery to be allowed to remain in a state of discharge.

44

The use of a coolant recovery machine is helpful in preventing ________ from entering the cooling system

45

The high-pressure fuel pump used in gasoline direct injection (GDI) systems is powered by ________

46

An oil filter should be hot drained for how long before disposal?

47

Technician A says that inertia is the tendency of an object at rest to remain at rest. Technician B says that inertia is the tendency of an object in motion to remain in motion. Who is correct?

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Pre Exam Quiz 5; Trades & Technology - Automotive

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