A - Hydraulic Brake System Fundamentals Flashcards

1
Q

A force of 800 N is applied to a master cylinder with an area of 8.0 cm(2). The system pressure developed is:

A

1000 kPa

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2
Q

A brake system develops 350 psi on application. The force produced a caliper piston with area of 2.75 in(2) is:

A

962.5 lb.

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3
Q

A 0.5 cm diameter master cylinder is replaced with a 2.5 cm diameter master cylinder. The result is:

A

Less pressure in the system.

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4
Q

One of the reasons DOT 5 brake fluid is not recommended for ABS system is because it:

A

Not hygroscopic.

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5
Q

The polyglycol-based brake fluid that has the most stable boiling point is:

A

DOT 4.

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6
Q

The hydraulic brake system converts kinetic energy to heat energy through:

A

Friction.

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7
Q

Brake fluid should be stored only in a sealed container because:

A

The fluid is hygroscopic.

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8
Q

Friction between two sliding surfaces depends on:

A

The amount of force pressing the two surfaces together, the temperature of the surfaces in contact, and the coefficient of friction of the materials in contact.

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9
Q

The principle of static friction is used in:

A

The park break system.

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10
Q

Pressure in an enclosed liquid:

A

Acts with equal force on equal areas.

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11
Q

The wheel cylinders and calipers convert pressure developed in the system into:

A

Mechanical force.

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12
Q

The force that tends to resist motion between objects in contact is called:

A

Friction.

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