A transmission and differential are combined in the ______________________________ used by front-wheel-drive vehicles.
transaxle
A magnetic pickup will attract any kind of metal.
False
Camshaft action is transmitted to the valves by the ____.
valve springs
rocker arms
cam followers
lifters
You should always have your instructor demonstrate potentially dangerous equipment before you try to use it.
True
The connecting rod small end is attached to the ______________________________ by a wrist pin.
piston
Which of the items listed below is not a potential explosion hazard?
Battery
Empty fuel tank.
Welding gas cylinders.
Oil pan.
Piston rings are used to keep combustion pressure and oil from leaking between the piston and the cylinder wall.
True
If you find fluid dripping from a vehicle, where is the likeliest direction to look for the actual leak?
Above and behind the drip point.
Directly above the drip point.
Immediately to the left or right of the drip point.
Above and in front of the drip point.
The alternator is part of a vehicle’s ____ system.
charging
lighting
starting
ignition
Vehicle wheelbase and vehicle length are different terms for the same measurement.
False
Valves close off the intake and exhaust ______________________________ for each engine cylinder.
ports
Engine coolant consists of ____.
water and antifreeze
water only
oil and antifreeze
water and stop leak
____ is another name used to describe the engine bottom end.
Crank end
Short block
Lower deck
Cylinder block
An engine needs to be moved. Technician A says two people can slide the engine out of the way. Technician B says that an engine crane should be used to move the engine. Who is right?
B only.
Neither A nor B.
Both A and B.
A only.
An automotive ____ is a group of related parts that perform a specific job.
system
component
sequence
process
When working with sockets, Technician A states that a socket’s “point” is the size of the square opening for the handle. Technician B states the point of a socket is the box configuration for the bolt head. Who is right?
A only.
Neither A nor B.
B only.
Both A and B.
Pistons typically use ____ compression rings and one oil ring.
1–3
2
4
3
Valve springs are used to open an engine’s intake and exhaust valves.
False
Which of the following contaminants is not likely to be found in transmission oil?
Friction material.
Gasoline.
Dirt
Moisture.
A hybrid electric vehicle uses two methods of propulsion—an internal combustion engine and an electric drive train.
True
A(n) ______________________________ is often built into the cap of the power steering pump.
dipstick
The engine main ______________________________ are removable inserts that fit between the crankshaft main journals and the block main bore.
bearings
In a typical gasoline-powered automobile engine, how many piston strokes make up a complete cycle?
One
Four
Two
Three
A wrench designed to be hit by a hammer is called a(n) ______________________________ wrench.
slug
Force is transmitted from the engine to the vehicle's wheels by the drive train.
True
The following tool is a(n) ____ wrench.
timing adjustment
battery terminal
oil filter
fuel filter
When using a hacksaw, you should apply light pressure ____.
on the backward stroke
None of the above.
on the forward stroke
on both forward and backward strokes
The engines that are used in most automobiles are ____ engines.
All of the above.
piston
multi-cylinder
four-stroke cycle
The piston is mounted to the connecting rod by the ____.
wrist pin
cylinder bolt
piston skirt
cam lobe
______________________________ rings prevent combustion pressure from leaking into the engine’s crankcase.
Compression
In a four-stroke cycle engine, the crankshaft must make four complete rotations to complete the cycle.
False
Torx screws have a square indentation in their heads.
False
A transaxle is most commonly used with ______________________________-wheel-drive vehicles.
front
Asphyxiation is caused by breathing toxic substances in the air.
True
An oil pan drain plug should be turned ______________________________ for removal.
counterclockwise
For efficient engine operation, the fuel system must provide the correct mixture of ______________________________ and fuel.
air
When checking hose conditions, which would indicate the need for replacement?
All of the above.
Cracks or abrasions.
Softening.
Hardening
The radiator of a vehicle is part of its ____ system.
lubrication
electrical
fuel
cooling
Which of the following is not a socket wrench drive size?
3/8
1/2
1/4
5/8
A large repair facility recycles its used motor oil. Technician A says that only about one quart of high-quality oil can be recovered from each gallon of used oil that is recycled. Technician B says the recovery rate is about two and one-ha
B only.
Neither A nor B.
Both A and B.
A only.