AUT105 Week 2 Hydraulics & Power Brake Theory Chapter 44 Test

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

• Doubled-walled steel lines and rubber hoses

• None of the above

What type of master cylinder is used in a typical modern braking system & anti-lock braking 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?

• High boiling point

• Low freezing point

• Hygroscopic

• All of the above

DOT 5 Brake fluid is used exclusively in ABS brake systems

• True

• False