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CDX Brakes Midterm Exam Questions All 100% Correct Answer
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CDX Brakes Midterm Exam Questions All 100% Correct Answers All of the below statements are true except: - AnswerA service brakes consist of drum and/or disc brakes and are operated by hand All of the below statements are true except: - AnswerIn drum brakes, the heat is created outside of the d...

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  • December 31, 2024
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  • 2024/2025
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CDX Brakes Midterm Exam Questions All
100% Correct Answers


All of the below statements are true except: - Answer✔A service brakes consist of drum and/or
disc brakes and are operated by hand
All of the below statements are true except: - Answer✔In drum brakes, the heat is created
outside of the drum and transferred to the inner surface
If we triple the speed of an object, the kinetic energy will: - Answer✔increase by nine times
Medium and heavy duty. vehicles often require increased braking in situations........... -
Answer✔exhaust brake
Tech A says that a disc brake operates by clamping friction materials to the outside of a disc.
Tech B says that a drum brake operates by clamping friction materials to the outside of a drum. -
Answer✔Tech A
Tech ! says that an antilock brake system (ABS) allows the front wheels to be steered during a
panic stop. Tech B says that ABS sensors apply or release hydraulic pressure to the wheel brake
units during ABS brake events. - Answer✔Tech A
Tech A says that friction brakes can fade due to overheating of the brake lining. Tech B says that
friction brakes can fade due to overheating of the brake fluid. - Answer✔Both A and B
Tech A says that kinetic energy is created during braking to stop the vehicle. Tech B says that
kinetic energy is converted to heat energy during braking. - Answer✔Tech B
Tech A says that light-duty service are typically applied hydraulically. Tech B says that light-
duty parking brakes are typically applied hydraulically. - Answer✔Tech A
Tech A says that the brake pedal uses leverage to multiply foot pressure. TEch B says that when
braking hard while moving forward, the vehicle's weight transfer to the rear wheels, increasing
their traction - Answer✔Tech A
Tech A says that the heavier the vehicle, the more stopping power is needed. TEch B says that
the faster a vehicle is moving, the more braking power is needed - Answer✔Both A and B
Tech A says that tire pressure does not affect braking. Tech B says that heavy vehicle loads
increase stopping distance. - Answer✔Tech B

, © EVERLY 2025 ALL RIGHTS RESERVED.

Tech A says that water soaked brake shoes can be a cause of brake fade. Tech B says that disc
brakes dissipate heat faster than drum brakes. - Answer✔Both A and B

The brake pedal uses leverage: - Answer✔to multiply the force applied to the master cylinder
the cycle of energy transformation in a typical vehicle is - Answer✔chemical heat mechanical
kinetic
the kind of brake fade caused by the brake fluid becoming so hot that it boils is -
Answer✔hydraulic fade
vehicles equipped with disc brakes incorporate a mechanically operated drum-style parking
brake in the center of the rear disc brake rotors, commonly called a: - Answer✔top hat parking
brake.
which of the following is used on heavy vehicles and is commonly called air brake? -
Answer✔air operated braking system
which of these is a simple mechanical system that uses leverage to force a friction block against
one or more wheels? - Answer✔scrub brake
which of these is a simple mechanical system that uses leverage to force a friction block against
one or more wheels? - Answer✔scrub brake
a wheel's braking ability depends most on: - Answer✔the load it is carrying

All of the statements are true except: - Answer✔the smaller brake caliper pistons on the front
wheels give greater mechanical force and braking power to the front wheels
different lever designs can be engineered to alter the brake pedal effort required of the driver by
using different levels of: - Answer✔mechanical advantage
disc brake systems that are equipped with low-drag brake calipers use: - Answer✔quick take-up
master cylinders
if 100psi of working pressure is applied to a 2 square inch output piston, how much force will be
created? - Answer✔200
Tech A says that a brake pedal that does not return all the way causes the brake warning light on
the instrument panel to stay on. Tech B says that a brake pedal that does not return causes the
brake lights to stay on. - Answer✔Tech B
Tech A says that brake fluid should periodically be checked for excessive moisture content. Tech
B says that brake fluid should be replaced every 12000 miles. - Answer✔Tech A
Tech A says that DOT 5 brake fluid should be used in all vehicles today because it is silicone
based and will not absorb water. Tech B says that DOT 4 and DOT 3 are not recommended for
use in ABS systems. - Answer✔Neither A or B

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