Auto & Shop
Information Answers
1. All of the following are types of screwdrivers, EXCEPT:
A. Torx
B. Emerson
C. Phillips
D. Robertson
Answer: B
There is no such thing as an Emerson screwdriver. 
2. A [ ? ] has a hollow head filled with sand or lead
shot.
A. dead blow hammer
B. ball-peen hammer
C. sledge hammer
D. rubber mallet
Answer: A
Dead blow hammers have a hollow head filled with sand or lead
shot. This helps prevent "rebound" as the hammer makes contact
with the work.
3. A roll pin would best be removed by using a [ ? ].
A. cold chisel
B. pin punch
C. center punch
D. brass drift
Answer: B
Pin punches are made especially for removing cylindrical
fasteners such as roll pins, as well as cotter pins and machine
screws.
4. Which of the following materials would be suitable for
making a drift?
A. aluminum
B. forged steel
C. brass
D. both A and C are correct
Answer: D
Drifts are constructed of relatively soft materials such as
brass, aluminum, and mild steel. This prevents the drift from
damaging the objects they make contact with.
5. All of the following are parts of a cutting torch assembly,
EXCEPT:
A. pressure regulators
B. hoses
C. oxygen bottle
D. gas converter
Answer: D
There is no such thing as a gas converter in a cutting torch
assembly.
6. Four stroke-cycle engines require [ ? ] revolutions of the
crankshaft for all the cylinders to fire.
A. 1
B. 2
C. 3
D. 4
Answer: B
Four-stroke cycle means that four strokes of the piston are
required to complete one cycle of events. Since one stroke of the
piston will rotate the crankshaft one-half turn, four strokes
will rotate the engine two revolutions.
7. The engine�s exhaust valve is open during the [ ? ]
stroke.
A. compression
B. power
C. intake
D. none of the above
Answer: D
The engine�s exhaust valve is open during the exhaust stroke.
8. The ideal air-fuel mixture for an internal combustion
engine is known as [ ? ].
A. optimal
B. efficient
C. maximum
D. stoichiometric
Answer: D
Stoichiometric is the term used to describe the ideal air-fuel
mixture, which is 14.7:1.
9. 5W-30 motor oil is recommended for many vehicles being
manufactured today. Which of the following statements about this
oil are true?
A. the "W" stands for "weight"
B. this is a single-viscosity oil
C. this is a multi-viscosity oil
D. both A and C are correct
Answer: C
5W-30 is a multi-viscosity oil, and the "W" stands for "winter."
10. A vehicle�s differential is found in the [ ? ].
A. engine
B. drive axle
C. suspension system
D. instrument panel
Answer: B
The differential is part of the drive axle, and it allows the
left and right wheels to turn at different speeds as the vehicle
goes around corners.
