On-Line Test

South Branch Career and Technical Center

Automotive Technology: Brakes Test

Directions: 1. Read each question carefully;

                      2. read choices a, b, c and d;

                      3. select the correct answer; you may enter ONLY ONE ANSWER;

                      4. using your mouse, place the cursor over the "option button" to the left side of the correct answer. "Left click" the cursor. The center of the option button should become green. If it does not, please ask your instructor for assistance. After the option button becomes green, you have successfully answered the question, and you may move on to the next question.

                     5. When you have finished the test, please re-read and check your answers. When you feel you have done your best, go to  "File" in the upper left hand side of your task bar, select the  "Print" option.  When the print box appears, press OK. Your completed test should begin printing.

Question 1

You can determine whether a brake house is good by simply checking its external surface for any cracks or abrasions.

a)   True
b)   False 
c)  
d)  
 

Question 2

It is a good idea to fill the brake fluid reservoir slightly above the maximum level mark to allow for some fluid loss.

a)   True
b)  False 
c)  
d)  
 

Question 3

The threads on a master-cylinder outlet port have been damaged. The proper repair procedure is to

a)   tap the threads over-size and replace the line with the next larger size.
b)   install a heli-coil.
c)   replace the mater cylinder.
d)   clean the threads with a tap and reinstall the original line.
 

Question 4

A metal brake line has a leak.  The proper method of repair is to

a)  cut the line and install a compression fitting.
b)  replace the entire line with double-flared copper tubing.
c)   replace the entire line with double-wall steel tubing.
d)   replace the entire line with double-wall steel tubing.

Question 5

When replacing metal brake line

a)  an ISO flare will replace a double flare.
b)  a double flare will replace an ISO flare.
c)  double flare and ISO flares will interchange.
d)  you must replace with a line having the same type of flare.

Question 6

As more load is added to the cargo bed of a pickup truck equipped with a "height-sensing" proportioning valve

a)  more brake pressure is directed tot he front brakes.  
b)  more braking pressure is directed to the rear brakes.
c)  the rear of the vehicle is lowered to keep the vehicle from "nose diving."
d)  power-steering pressure is reduced to maintain directional stability.

Question 7

Which of the following would make the red brake warning indicator on the instrument panel light?

a)  a defective ABS sensor
b)  a seized wheel cylinder
c)  a ruptured hydraulic line
d)  a blown fuse

Question 8

If a brake fluid container is left open, the brake fluid

a)  will evaporate.  
b)  draw moisture.
c)  "PH" will change.
d)  will thicken.

Question 9

If an ABS-equipped vehicle pulls to one side during braking, the  MOST  likely cause is

a)   a defective master cylinder.
b)  a malfunctioning proportioning valve.
c)  a restricted brake hose.
d)  worn brake pads.

Question 10

During drum brake overhaul, at what stage should you enclose the assembly inside an asbestos recovery machine?

a)   after removing the brake shoes, but before removing the wheel cylinders
b)   after removing the drum, but before removing the brake shoes
c)   after removing the tire, but before removing the drum
d)   after removing the wheel cylinders, but before removing the brake shoes

Question 11

If brake drums are slightly scored or rough, you should

a)   clean the drums with sandpaper.
b)   clean the drums with solvent and reinstall them.
c)   replace the drums.
d)   turn or grind the drums.

Question 12

The  PRIMARY  purpose for wrapping a rubber or spring strap around a brake drum when performing a resurfacing or turning service is to prevent 

a)   an out-of-round condition. 
b)  grinding chips from damaging the machine.
c)   unsafe operating conditions and practices.
d)   vibrations and surface roughness.

Question 13

Same as #10

a)  
b) 
c)  
d)  
 

Question 14

When removing a brake drum and inspecting a brake assembly, you may need to

a)   apply pressure with a special drum puller.
b)   back off the adjuster with an adjusting tool.
c)   bleed the wheel cylinder to remove hydraulic pressure.
d)   remove the parking brake cables to release tension.

Question 15

During a drum brake overhaul, at what stage should you enclose the assembly inside an asbestos recovery machine?

a)   After removing the brake shoes, but before removing the wheel cylinders.
b)   After removing the drum, but before removing the brake shoes.
c)   After removing the tire, but before removing the drum.
d)   After removing the wheel cylinders, but before removing the brake shoes.

Question 16

Brake bleeding service can be considered finished when there is

a)   10 - 15 psi in the pressure tank.  
b)   clear fluid at the bleeder points.
c)   evidence of bubbles in the bleeder jar.
d)   no more fluid exiting the bleeders.

Question 17

If a drum brake wheel cylinder shows heavy scoring and pitting, it should be

a)   bored to the next correct dimension.   
b)   honed until scoring and pitting are at a minimum.
c)   rebuilt with an oversized piston and cup.
d)   replaced with a new cylinder.

Question 18

Technician A says you  MUST ALWAYS  adjust brake shoes before installing the drum.  Technician B says you can adjust the brake shoes after the drum is in place.  Who is correct?

a)   Technician A only
b)   Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 19

A customer complains that even though the brake pedal is firm, it drops slowly to the floor when the brakes are applied at a required stop. You should suspect

a)   a plugged or clogged brake line.
b)   air entering the hydraulic system.
c)   an internal leak in the master cylinder.
d)   misadjusted brake shoes.

Question 20

On an electronic shift transmission, a defective vehicle speed sensor will affect the vehicle's

a)   engine speed.
b)   reverse shift.
c)   shift points.
d)   top speed.

Question 21

A run-out problem on a brake rotor will cause

a)   brake fade. 
b)   brake failure.
c)   brake pedal pulsation.
d)   grabbing.

Question 22

A vehicle equipped with disc and drum brakes experiences rear wheel brake lockup and skid during heavy braking applications. This condition could be caused by 

a)   a corroded parking brake cable assembly.
b)   an hydraulic leak in the front calipers.
c)   an inoperative proportioning valve.
d)   worn front wheel brake pads.

Question 23

Same as #17

a)  
b)  
c)  
d)  

Question 24

Same as #9

a)  
b)  
c)  
d)  

Question 25

Run-out on the disc of a disc brake system can be checked by

a)   visual inspection.
b)   using dial indicator.
c)   using a micrometer.
d)   using an inside caliper.

Question 26

 The pads on a disc brake system are

a)  perpendicular to the rotor.  
b)  parallel to the rotor.
c)  never touch the rotor.
d)  attached to the rotor.

Question 27

When starting a vehicle while applying pressure to the brake pedal, the customer feels the pedal drop approximately one inch.  This indicates a

a)   defective master cylinder.
b)   faulty power booster.
c)   normal condition.
d)   vacuum leak.

Question 28

When tightening wheel stud nuts, you  MUST  be careful to

a)  avoid damaging the wheel bearing.
b)  avoid putting excessive pressure on the spindle.
c)  torque to specifications.
d)  use a low-torque impact gun.

Question 29

Same as #27

a) 
b) 
c) 
d)  

Question 30

A booster push rod that is too short

a)   will prevent the master cylinder from completely releasing, causing the brakes to drag. 
b)   will cause excessive brake pedal travel.
c)   will cause the brake system to be operative.
d)   all of the above.

Question 31

A vehicle has a roaring noise a 55 mph when making a left turn. Technician A says the right front wheel bearing is bad.  Technician B says the left front CV Joint is bad.  Who is correct?

a)  Technician A only
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 32

When removing, replacing, and/or servicing a wheel bearing assembly, you should   

a)   complete the service, adjusting the bearing pre-load.
b)   service the assembly without any adjustments.
c)   tighten the spindle nut and back off 1/2 turn.
d)   use a low-temperature wheel bearing grease.

Question 33

When installing front wheel bearing adjusting nuts, you should

a)  have new cotter-pins installed.
b)  leave them a little bit loose.
c)  secure them with a self-locking nut.
d)  tighten them as much as possible.

Question 34

When parking brake cables are inoperative because of corrosion, you should

a)  apply heat to the cable housings and lubricate. 
b)  cut the cables to brake drag.
c)   remove the cables and replace them with new parts.
d)   remove, lubricate, and reinstall the cables.

Question 35

When checking adjustment on the parking brake system, you should  ALWAYS  check the __________  FIRST.

a)  brake fluid  
b)  tire pressure
c)   master cylinder
d)   break lining wear

Question 36

Rear stop light do  NOT  operate.  Technician A  says that the brake pedal switch could be bad.  Technician B says that the stop light fuse could be blown.  Who is correct?

a)  Technician A only  
b)  Technician B only
c)  Technicians A and B
d)  Neither Technician A nor B

Question 37

When the  ABS system is disabled, which of the following will occur?

a)  The brake system will lock-up and not operate.
b)  The emergency brake will not operate.
c)   The service brake will operate normally without the anti-lock function.
d)   The brake system will fail completely.

Question 38

A three-channel  ABS system will have sensors in the following locations:

a)  One on the drive shaft and one on each rear wheel 
b)  One on each front wheel and one on the rear drive line
c)  One on a front wheel and one on the rear drive line
d)  None of the above

Question 39

MOST  vehicles equipped with ABS will use which of the following brake fluids?

a)  Dot 1  
b)  Dot 3
c)  Dot 5
d) Any of the above

Question 40

When bleeding  ABS brake systems, Technician A says to bleed the system with the same procedure as a standard hydraulic system. Technician B says very specific manufacturer's procedures  MUST  be followed that may include pressurizing the system.  Who is correct?

a)  Technician A only
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 41

Same as # 24

a)
b) 
c)  
d)  

Question 42

A wheel speed sensor is being installed on the front wheel of a vehicle. Technician A says the air gap on the sensor is important and should be checked for proper clearance.  Technician B says wheel speed sensors are self-adjusting.  Who is correct?

a)   Technician A only
b)   Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 43

When servicing an ABS brake system, Technician A says the amber ABS light is sometimes used to flash trouble codes.  Technician B says fault codes can pinpoint defects in certain areas of the ABS system. Who is correct?

a)  Technician A only   
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 44

On a vehicle equipped with ABS brakes, when applying the brakes hard on an icy road, the brake pedal pulsates and a clicking/growling sound is heard under the hood.  Technician A says the caliper may be loose. Technician B says the rotor could have excessive run-out.  Who is correct?

a)  Technician A only   
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 45

Before removing the master cylinder form the ABS system, the system  MUST  be depressurized by

a)   pumping the brake pedal 25 to 50 times with the ignition off.
b)   loosening the accumulator screw 1/2 turn.
c)   removing master cylinder lid for 10 minutes.
d)   holding the brake pedal down for 10 seconds with the ignition on.

Question 46

Technician A says changing the differential gear ratio will affect ABS operation.  Technician B says machining the drums and rotor will affect the ABS operation.  Who is right?

a)  Technician A only
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 47

Which of the following will effect the ABS system operation?

a)  machining brake rotors
b)  changing tire height
c)  changing tire width   
d)  machining brake drums

Question 48

Technician A says brake pedal pulsation is normal during an anti-lock condition.  Technician B says brake pedal pulsation is  Always an indication of rotor run-out.  Who is right?

a)   Technician A only  
b)   Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 49

The ABS wheel speed sensor consists of a toothed ring and magnetic pickup coil.  Technician A says the toothed ring is the stationary part. Technician B says the magnetic sensor is the rotating part.  Who is correct?

a)  Technician A only  
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B

Question 50

Technician A says the amber ABS warning light can sometimes be used to flash ABS trouble codes. Technician B says the red brake warning light indicated hydraulic failure in the system.  Who is correct?

a)  Technician A only  
b)  Technician B only
c)   Both Technicians A and B
d)   Neither Technician A nor B