190103a,b,c,d,e,f test study

Question 1

define power.

Answer 1

the rate at with work is done.

Question 2

define torque.

Answer 2

force time distance from center of rotation.

Question 3

define work.

Answer 3

distance times force.

work is defined as the product of an applied force and the movement it causes.

Question 4

is torque ft-lb or lb-ft

Answer 4

ft-lb

Question 5

define energy.

Answer 5

the ability to do work.

Question 6

define brake fade.

Answer 6

brakes heat and then there is no more friction

Question 7

define pascal.

Answer 7

pascal is a measure of pressure. P=force/area

1 N / m2 = pascal

Question 8

what are the brake fluid requirements. how many are there?

Answer 8

7

• boiling
• viscosity
• stability
• miscibility
• non-corrosive
• hygroscopic
• lubrication

Question 9

2 ways brake fluid is made.

Answer 9

glycol-based and silicone-based

Question 10

job of the back plate.

Answer 10

dust-shield and mount for anchor pin

Question 11

define non-servo brakes.

Answer 11

there is no moveable mechanical connection between the shoes.

Question 12

2 types of material for brake shoes

Answer 12

non-asbestos organic linings and semi-metallic linings

Question 13

how does the module describe the action of a calliper.

Answer 13

acts like a vice or c-clamp

Question 14

brake shoe wear indicators

Answer 14

squealers, wear line in the middle of the shoe, or sensor

Question 15

types of flares.

Answer 15

single, double and iso flares.

Question 16

what are the safety programs and acts.

Answer 16

• the motor transport act
• comercial vehicle inspection program
• comercial vehicle standard alliance

Question 17

what are safety equipment you can you to prevent physical injury.

Answer 17

jacks, jack stands, lifts, hoist, axle stands

Question 18

types of inadequate wear a drum can have.

Answer 18

bell, heat checking, scored, barrel

Question 19

drums on the same axle can’t be more then _____ in diameter difference.

Answer 19

.010 in