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WorksheetsAutomotive Practice Test 2
Total questions: 20
Worksheet time: 3hrs 20mins
The left front inner most pads on a four-wheel disk brake system are excessively worn. The outside pad has little wear. Which of these have caused this uneven pad wear?
Proportioning valve
Metering valve
Brake caliper slide pins
Uneven rotor thickness
A vehicle is emitting black exhaust from its tailpipe under all driving conditions. This is because:
There is oil in the combustion chamber
There is coolant in the combustion chamber
There is too much fuel in the combustion chamber
There is too much air in the combustion chamber
After diagnosing and replacing the cooling system's water pump, the vehicle's engine continues to overheat. Which of these is the MOST likely cause?
An air pocket in the system
Leaking head gasket
Faulty replacement water pump
The radiator
The brakes are being bled on an ABS equipped vehicle. Technician A says that a system using DOT 3 brake fluid can be topped off with DOT 5. Technician B says that a scan tool may be used for brake bleeding on some applications. Who is right? (Type A or B)
(a)
What is the proper way to discharge a vehicles brake booster accumulator?
drain all of the brake fluid
Pump the brake pedal several times with the engine off
removes the brake booster
Disconnect brake lines
A vehicle is at idle. The battery is showing 16 volts. What component causes this condition?
Bad battery
Voltage regulator
Diode
All of the above
What condition will a dirty cabin air filter cause?
Dirty musty smell coming from the vents
Reduces efficiency of the A/C system
Affects engine vacuum at idle
None of the above
A band type tire pressure monitoring (tpms) sensor is being installed around the center of the rim. How many degrees from the valve stem should the sensor be mounted? (Just write the number)
(a)
Permanent magnet generator type ABS wheel speed sensors generate
an AC voltage signal
a DC voltage signal
a square wave signal
a fixed frequency signal
A vehicle pulls slightly to one side only while braking. Which of these could be the cause?
a binding parking brake cable
worn wheel bearings
a failed proportioning valve
a cracked ABS tone wheel
What is the technician doing in the image?
Playing with grease
Packing a wheel bearing
installing grease into a ball joint
installing grease in a CV joint
Spark plugs are being replaced on a v6 engine. Which should be performed prior to removing the
boot?
Soak with penetrating fluid
Bring engine to operating temperature
Disconnect the positive battery
Twist the boot ½ turn
Fluid level in a transmission with no dipstick should be checked how?
Drain transmission fluid
Level vehicle and set to operating temperature
Use a different dipstick
What is this component?
O2 sensor
Dipstick
Evaporator
Brake pad
Tires are being rotated. Student A says wheel weight retaining clips should be matched with wheel profile. B says directional tires should be rotated in a criss cross pattern. Which student is correct? (Just type A or B)
(a)
What is the difference between 5W-30 and 10W-30 motor oil?
5W-30 is thicker
10W-30 works better in cold weather for lubrication
10W-30 is thicker
5W-30 is only used in smaller engines
A vehicle is in the shop for a MIL light on. Student A says you can plug a scan tool in to the DLC port to retrieve any codes. Student B says to erase the codes and test drive to see if the light comes back on. Who is right? (Just type A or B)
(a)
Spark plugs are being replaced. All are true EXCEPT:
ignition coils may have to be removed
compressed air should clean spark plug area before being removed
anti – seize can be used on spark plug thread
spark plugs should be started with a ratchet
During a test drive the technician notices an excessive vibration in the steering wheel only when the brakes are applied. The front brake rotors have just been replaced for this same vibration. Which of these is MOST likely the cause of this condition?
Excessive lateral runout
Rusty hub flange
This is a normal condition
Excessive thickness variation
An engine's exhaust is white gray colored. Which of the following is causing this condition?
Oil burning in the combustion chamber
Excessive fuel burning in the combustion chamber
A rich fuel mixture
Coolant burning in the combustion chamber
