Brakes Test 3 |Complete with A+ Graded Answers Ready To Pass
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Module
HEAVY TRUCK BRAKES
Institution
HEAVY TRUCK BRAKES
Brakes Test 3 |Complete with A+ Graded Answers
Both A & B are correct
Technician A says that riveted disc brake pads are often quieter that bonded disc brake pads. Technician B says that integrally molded disc brake pads are molded into holes in the steel backing of the pads. Which technician is ...
Brakes Test 3 |Complete with A+
Graded Answers
Both A & B are correct
Technician A says that riveted disc brake pads are often quieter that bonded disc brake pads.
Technician B says that integrally molded disc brake pads are molded into holes in the steel backing of
the pads. Which technician is correct?
Technician A only
Neither A nor B are correct
Both A & B are correct
Technician B only
A) Aid cooling
Rotors are vented to:
B) Increase strength
D) Reduce the rotor weight
C) Reduce material cost
A) Aid cooling
D) Low-drag caliper
A quick take-up master cylinder is required when what type of caliper design is used on a vehicle?
C) Two-piston caliper
B) Sliding caliper
A) Fixed caliper
D) Low-drag caliper
E) Both A & B are correct
When the pressure in a disc brake caliper is released, the piston is moved back in the cylinder by:
B) The action of the piston seal
A) Rotor runnout
C) The leverage of the caliper arms
D) Spring pressure
E) Both A & B are correct
Both A & B are correct
Two technicians are discussing the reason that the brake fluid level in the master cylinder drops.
Technician A says that it may be normal due to the wear of the disc brake pads. Technician B says that
a low brake fluid level may indicate a hydraulic leak somewhere in the system. Which technician is
correct?
Both A & B are correct
Neither A nor B are correct
Technician B only
Technician A only
D) They are self-energizing
Disc brakes have many advantages, some of which are listed below. Which of the following
statements does NOT apply to disc brakes?
C) They dissipate heat faster
D) They are self-energizing
, A) They are self-cleaning
B) They resist fading
Technician A only
Technician A says that all slides and caliper bushings should be lubricated for proper operation.
Technician B says that lubricant should not be used on disc brake parts because it can trap and hold
dirt. Which technician is correct?
Technician A only
Neither A nor B are correct
Technician B only
Both A & B are correct
C) Piston movement through the seal
Single-piston type disc brakes are adjusted by:
C) Piston movement through the seal
B) Self-adjusting mechanisms
A) Torquing the guide pins
D) Star wheel adjusters
A) They require a more complex hydraulic system with special valves.
Which is NOT true of rear disc brakes?
A) They require a more complex hydraulic system with special valves.
C) They may use a one-piece rotor with parking brake drum
D) They have Relatively poor parking brake performance
B) They are costly and complex
B) Ceramic
Which disc brake pad friction lining compound is MOST likely to cause excessive rotor wear?
D) Carbon fiber (CFRC)
B) Ceramic
A) Non asbestos organic
C) Semimetallic
B) Used on high performance vehicles
Four-piston disc brake calipers are generally:
C) Not as strong and powerful as single-piston calipers
A) Cheaper than single-piston calipers
D) More commonly used than single-piston calipers
B) Used on high performance vehicles
Neither A nor B are correct
Technician A says that all vehicles equipped with rear disc brakes use a parking brake that is
integrated in the caliper. Technician B says that all vehicles equipped with rear disc brakes use a small
drum brake inside the rear rotor for a parking brake. Which technician is correct?
Both A & B are correct
Technician A only
Technician B only
Neither A nor B are correct
Neither A nor B are correct
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