Exam (elaborations)
ASE T5 QUESTIONS AND ANSWERS 2024
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ASE T5 QUESTIONS AND ANSWERS 2024
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ASE T51. Leaf springs are divided into which of the following categories?
A. tri-point and dual-point
B. single-point and dual-point
C. dual-point and variable rate
D. constant-rate and tri-point - ANSWERS-. The correct answer is B. Leaf spring
suspensions are divided into two basic categories: Single- and dual-point. Single-
point types use a beam that has bushings
on both ends. The spring uses front and rear hangers. Torque rods locate the
axles laterally. Dual-point types have four springs instead of two. An equalizer
allows a degree of articulation between the axles in some designs.
2. What is the meaning of the acronym DIP?
A. diagnose, install, position
B. drive, inspect, pressure
C. deflate, inspect, protect
D. none of the above - ANSWERS-. The correct answer is C. For the safety of the
repairman, the acronym DIP should be remembered when working with tires and
wheels. It stands for DEFLATE-
the tire before working on it. INSPECT-the rim, rings, lug holes and tires for
damage, including distortion and proper sealing. PROTECT- yourself by placing the
tire
and wheel assembly in an inflation cage before inflating.
,3. A truck with dual wheels comes into the shop with one inner tire that is flat.
Technician A says the tire must be repaired or replaced before leaving. Technician
B says the scrubbing of the tire along the road could cause a fire. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWERS-. The correct answer is C, both technicians are right.
A truck with a flat on one of its dual wheels must have the tire repaired
immediately. The 'cardinal
sin' is running dual wheels with one tire flat, which causes critical overheating of
the tire carrying the entire load. This may even cause the flat tire to catch on fire
due to scrubbing the tread along the road.
4. Technician A says the air-assist safety valve should cut off steering assist when
the dash mounted reservoir air pressure gauge drops to 60-65 psi. Technician B
says that turning the adjustment screw
counterclockwise will lower the valve's cutoff point. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWERS-. The correct answer is C, both technicians are right.
The air-assist safety valve should cut off steering assist when the dash mounted
reservoir air pressure
,gauge drops to 60-65 psi. Turning the screw clockwise will raise the cutoff point;
turning it counterclockwise will lower the cutoff point.
5. Technician A says that toe-in counteracts positive camber. Technician B says as
parts wear, toe-in increases. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWERS-. The correct answer is A. Toe-in performs the
function of preloading steering linkage joints and counteracts the wheel's
tendency to pull outward at the
front due to positive camber. As the required camber increases, generally so does
the toe-in. Note that toe-in decreases as parts wear.
6. While driving down a smooth straight road, a truck driver says that it is hard to
keep the truck going in a straight line. What is the LEAST likely cause?
A. lack of lubrication in the steering gear
B. steering gear loose at the frame mounting
C. pitman arm loose at the steering gear
D. excessive air pressure in the tires - ANSWERS- The correct answer is D.
Excessive tire pressure usually causes a hard ride, excessive wheel bounce, and
excessive center tread wear. When the vehicle darts out of a steered line or
oversteers, the problem can be attributed to a poorly lubricated steering gear,
loose steering gear mountings, or a loose pitman arm at the steering gear.
, 7. Technician A says that fifth wheel stops keep the trailer pin from sliding inside
the fifth wheel. Technician B says some trucks have an air-operated fifth wheel
locking control. Who is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B - ANSWERS- The correct answer is B. Fifth wheel stops keep the
fifth wheel from sliding from the mounting bracket assembly. These stops are
welded to the fifth wheel
mounting bracket at all four corners. Some tractors are equipped with an air
control to unlock the fifth wheel. This control allows the driver to unlock the fifth
wheel
from the cab, using a dash-mounted valve.
8. Runout is defined as:
A. the up-and-down or side-to-side movement of the axle.
B. the up-and-down or side-to-side movement of the steering.
C. the up-and-down or side-to-side movement of the tire or wheel.
D. none of the above - ANSWERS- The correct answer is C. Runout is the up-and-
down (radial) and side-to-side (lateral) movement of the tire or wheel when it is
rotating. A tire or wheel that is out of round or not running true cannot only
contribute to driver discomfort and increased operating costs, it can be a safety
concern.
9. When servicing a steering column, the first thing a technician should do is:
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