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WorksheetsBrake pgs 56-90
Total questions: 30
Worksheet time: 15mins
What is the primary function of brake lines and hoses in a vehicle?
To transfer fuel from the tank to the engine
To transfer hydraulic fluid pressure from the master cylinder to the brake calipers and wheel cylinders
To provide electrical connections to the brake lights
To support the weight of the vehicle
Which type of brake tubing is approved for use in brake lines due to its ability to handle high pressure?
Single-walled steel tubing
Copper tubing
Double-walled steel tubing
Plastic tubing
Why should copper tubing never be used as a replacement for brake lines?
It is too expensive
It cannot withstand high pressure or vibration, leading to fluid leakage or system failure
It is too flexible
It is too heavy
What is a recommended practice when replacing a brake line?
Use any available tubing regardless of material
Purchase a pre-formed OEM replacement for correct length, bend, and strength
Use copper tubing for flexibility
Use plastic tubing for cost-effectiveness
When performing brake service, which of the following should you NOT do?
Inspect hoses for damage, kinks, or ballooning
Inspect hoses for proper routing
Never hang a caliper from a rubber brake hose
Use copper tubing to replace a damaged brake hose
What can happen if a brake hose is blocked, restricted, or kinked?
The vehicle will accelerate faster
The vehicle may pull to one side during braking
The brake lights will not work
The tires will wear evenly
What should you do if corrosion “freezes” the flare nut to the brake line and it cannot be easily freed?
Hit the nut with a hammer
Apply more force until it loosens
Cut the line, remove the frozen fitting, and replace the entire line
Ignore the problem and continue
Which of the following is a sign that a brake hose may need to be replaced?
The hose is clean and flexible
The hose has cracks, dents, or corrosion
The hose is made of rubber
The hose is properly routed
Why is it important to use two wrenches on the flare nuts when replacing brake lines?
To avoid damaging the fittings.
To tighten the nuts more.
To make the process faster.
To avoid getting dirty.
What is the function of the return springs in a drum brake system?
Retract the shoes to their original position.
Push the shoes out to contact the drum.
Create friction to slow the vehicle.
Activate the brake pedal.
If the brake on one wheel drags and does not release, what might be the cause?
An internal failure in a brake hose.
A worn-out brake pedal.
A loose wheel cylinder.
A missing brake drum.
Which component pushes the brake shoes out to contact the rotating drum in a drum brake system?
Wheel cylinder
Backing plate
Self-adjuster
Brake drum
When a driver presses the brake pedal, what causes the brake shoes to press against the brake drum?
Hydraulic pressure in a wheel cylinder
Electrical current
Air pressure from the tires
Magnetic force
Why must brake drums be perfectly round and concentric with the spindle or axle?
To prevent brake pedal pulsations
To increase fuel efficiency
To reduce tire wear
To improve engine performance
What happens to the kinetic energy of a moving vehicle when the brake shoes are pressed against the drum?
It is converted into heat energy and dissipated
It is stored in the battery
It is used to power the headlights
It is converted into electrical energy
If the drum and hub are separate, what does the hub provide?
The mounting hardware for both the Drum and the Wheel/Tire Assembly
The friction surface for the brake shoes
The hydraulic pressure for the wheel cylinder
The expander spring assembly
What is the primary function of the wheel cylinder in a drum brake system?
To push the brake shoes against the drum
To rotate the brake drum
To connect the brake pedal to the wheels
To lubricate the brake system
Which component provides the foundation for drum brake systems and is a stamped steel disc that connects to the spindle or axle housing?
Backing plate
Wheel cylinder
Brake drum
Return spring
What is the purpose of the bleeder valve on each wheel cylinder?
To remove air from the cylinder and lines
To increase hydraulic pressure
To lubricate the brake shoes
To adjust the brake pedal height
In duo-servo brake operation, what causes the secondary shoe to wedge into the drum with a force greater than just the hydraulic pressure?
The rotation action of the primary brake shoe
The return spring tension
The bleeder valve operation
The backing plate friction
What is the primary function of a self-adjuster mechanism in drum brake systems?
To compensate for wear on the brake shoes
To increase the braking force
To reduce the size of the brake drum
To lubricate the brake components
Which of the following is NOT a type of automatic adjuster linkage in drum brake systems?
Cable
Lever
Link
Spring
In a duo-servo drum brake system, which shoe typically wears more and is usually longer?
Secondary shoe
Primary shoe
Both shoes wear equally
Neither shoe wears
Why is it important to use a brake cleaning device when servicing drum brakes?
To clean all of the brake drum components being serviced
To lubricate the brake shoes
To paint the brake drum
To cool down the brake system
Which of the following statements about leading-trailing drum brakes is TRUE?
They have identical leading and trailing brake linings.
They use only one brake shoe.
They are not self-adjusting.
They require no hydraulic force.
What should you do if you do not have proper equipment or are in poor working order when servicing brake systems?
Do not perform brake work
Continue working anyway
Use any available tools
Ignore safety precautions
What is the primary purpose of using a brake cleaner connected to the brake assembly?
To remove the brake drum and clean the brake assembly components.
To lubricate the brake drum.
To paint the brake assembly.
To tighten the brake adjuster.
Which tool is typically used to remove the washer clips from the wheel studs next to the drum?
Side cutters
Hammer
Screwdriver
Pliers
What is the function of the opening in the backing plate or brake drum?
To provide access to the adjuster.
To allow brake fluid to escape.
To insert new brake shoes.
To attach the brake drum to the wheel.
What is the correct way to use a drum micrometer to measure a brake drum?
Place the micrometer outside the drum and measure the rim
Place the micrometer inside the drum and hold it flat against the rim of the drum
Measure the thickness of the drum wall
Use the micrometer to measure the brake lining
