WorksheetsCHAPTER 44 REVIEW Quiz
Total questions: 22
Worksheet time: 11mins
The ratio of load and effort is called ________.
Coefficient of friction
Mechanical advantage
Mechanical disadvantage
Rotational force
For vehicles to brake smoothly, greater pressure must be applied to the front brake units than the rear brake units.
True
False
Which of the following variables is related to pressure and force in a hydraulic system?
Input force
Working pressure
Output force
All the above
______ hydraulic pressure is needed to move the brake pads into initial contact with the rotor.
Zero
Very little
A medium amount of
A large amount of
On a front-wheel drive vehicle, a load of about ______ on the rear wheels cannot provide enough braking force to stop the vehicle.
10%
20%
30%
40%
Banjo-type fittings typically include?
Banjo fitting
Banjo bolt
Two copper or aluminum washers
All of the above
______ carry brake fluid from the master cylinder to the brake units.
Double-walled steel lines only
Rubber hoses only
Double-walled steel lines and rubber hoses
None of the above
What type of master cylinder is used in a typical anti-lock braking system divided brake system?
Tandem master cylinder
Single-piston master cylinder
Quick take-up master cylinder
None of the above
Which of the following is a property of typical brake fluid used in automobile brake systems?
A high boiling point
A low freezing point
Hygroscopic
All of the above
_____ carry brake fluid from the master cylinder to the brake units.
The proportioning valves used in typical brake systems can be:
A. pressure-sensitive
B. load-sensitive
Both A and B
None of the above
All of these components are used to modify the pressures within the hydraulic braking system EXCEPT _____.
Anti-lock hydraulic control units
Pressure differential control units
Proportioning valves
Metering valves
The _____ valve is in the master cylinder or in a separate unit in the rear brake circuit, while the _____ type is mounted on the body or on the axle, where it can respond to load changes.
Load-bearing; pressure-bearings
Pressure-bearing; load-bearing
Load-sensitive; pressure-sensitive
Pressure-sensitive; load-sensitive
Technician A says that a center high-mount stop lamp (CHMSL) is used to apply the brakes if there is a brake failure. Technician B says that as of 1996, all vehicles must have a center high-mount stop lamp (CHMSL) to reduce incidence of rear-end collisions. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
Technician A says that the pressure differential switch may need to be re-centered after bleeding the brakes. Technician B says that there are several types of pressure differential switches, and each requires a different method of re-centering. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
The booster receives approximately ___ of vacuum from the intake manifold.
10"
15"
20"
25"
Dual-diaphragm boosters apply, hold, and release ___ a single-diaphragm booster.
Differently from
In the same manner as
More efficiently than
Less efficiently than
The hydraulic braking system can be designed to optimize the output force at each of the _______.
Brake lines
Wheel brake units
Brake hoses
Pistons
With the engine running, the check valve allows ______ to be evacuated from the booster, but not to return.
Air
Fluid
Pressure
None of the above
Hydraulic boosters are always completely separate components from the master cylinder.
True
False
What is the capital of France?
London
Paris
Berlin
Madrid
Which of the following are prime numbers?
1
3
6
7
9
