CDX Brakes Midterm Exam Questions
All 100% Correct Answers
All of the below statements are true except: - ✔✔A service brakes consist of drum
and/or disc brakes and are operated by hand
All of the below statements are true except: - ✔✔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: - ✔✔increase by nine times
Medium and heavy duty. vehicles often require increased braking in situations........... -
✔✔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. - ✔✔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. - ✔✔Tech A
Author: Katelyn Whitman. ©2025, All Rights Reserved.
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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. - ✔✔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. - ✔✔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. - ✔✔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 - ✔✔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 - ✔✔Both A
and B
Tech A says that tire pressure does not affect braking. Tech B says that heavy vehicle
loads increase stopping distance. - ✔✔Tech B
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. - ✔✔Both A and B
The brake pedal uses leverage: - ✔✔to multiply the force applied to the master cylinder
Author: Katelyn Whitman. ©2025, All Rights Reserved.