Final Test

Technician 'A' says cylinder head bolts need to be torqued to a certain specification. Technician 'B' says cylinder head bolts need to be torqued in a certain order. Who is correct?
a) Technician" A "                       b) Technician " B "     
c) Both                                           d) Neither

Two mechanics are working on an engine, Mechanic 'A' says to measure the piston to wall  clearance with a feeler gauge between the piston pin and cylinder wall. Mechanic 'B' says to measure it between the skirt and cylinder wall. Who is right?
a) Mechanic 'A'                          b) Mechanic 'B'
c) Both                                         d) Neither

Does piston slap occur when the engine :
a) Needs an oil change                 b) Is cold 
c) Is hot                                            d) is at high RPM

In an overhead valve engine, what causes blue smoke on start-up?
a) Worn piston rings                b) Blown head gasket      
c) Stuck choke                           d) Worn  valve seals

An engine burning black smoke is caused by:
a) Worn piston rings                b) Blown head gasket      
c) Stuck choke                           d) Worn  valve seals

White smoke after the engine is warmed up could be caused by:
a) Worn piston rings                b) Blown head gasket      
c) Stuck choke                           d) Worn valve seals

An engine has blue smoke under acceleration. The smoke is caused by:
a) Worn piston rings                b) Blown head gasket      
c) Stuck choke                           d) Worn valve seals

What do you measure the oil clearance between the main bearing and journal with?    (remember, the oil clearance is .0015"- .0022")
a) Ruler                                 b) Micrometer     
c) Vernier calipers               d) Plastigage

If the firing order of a small block Chevrolet V-8 is 18436572, which high tension wires COULD you time the engine from?
a) #1                                 b) #1 and #2             
c) #1 and #6                    d) All cylinders

According to specifications, valve margin is too small. You could re-use the valve if:
a) You give it a little more valve lash              
b) It is an intake valve
c) It is an exhaust valve              
d) Discard the valve, don't re-use it.

When the engine is cranking, battery voltage must not go below:
a) 12.6 volts                                 b) 14.6 volts         
c) 9.6 volts                                    d) 8.0 volts

When the solenoid clicks really fast, but the engine won't crank, what is wrong?
a) Faulty starter                                b) Low battery      
c) Faulty solenoid                            d) Short

In an alternator, the brushes and slip rings are part of the:
a) Field circuit                       b) Output circuit
c) Diode circuit                      d) Short circuit

In an alternator, the diodes are part of the:
a) Field circuit                       b) Output circuit
c) Diode circuit                      d) Short circuit

The battery needs to be topped up every week and the headlights seem bright. What is the problem?
a) Tight fan belt              b) Shorted diodes
c) Loose connection        d) Voltage regulator is causing overcharge

The engine cranks Ok, but doesn't start. What is  NOT the problem?
a) The starter motor                            b) The fuel pump
c) The ignition module                      d) broken timing belt

It is most likely that a clutch will be more likely to slip first in:
a) First gear                    b) Fourth gear
c) Reverse                       d) The gear doesn't make any difference

In the winter, technician 'A' says to use a litre of ATF (automatic transmission fluid) in  your manual transaxle. Technician 'B' says your transmission will be hard to shift. Who is correct? (remember, oil gets thicker when cold)
a) Technician " A "             b) Technician" B "                                       
c) Both                                  d) Neither

What is the reason for the drop center of the rim?
a) To install the tire        
b) To make the wheel more appealing to the eye.
c) Clearance for the brake caliper    
d) To allow the bead of the tire to seal.

Tire wear in the middle of the tread indicates problems with:
a) Under inflation                     b) Caster 
c) Camber                                   d) Over inflation

Tire wear on the inside edges of the tire indicates problems with:
 a) Under inflation                     b) Caster 
c) Camber                                    d) Over inflation              

"Feathered" tire wear indicates problems with:
a) Caster                                        b) Toe
c) Shock absorbers                      d) Wheel balance

A "pull" in the steering indicates a problem with:
a) Caster                                        b) Toe
c) Shock absorbers                      d) Wheel balance

A "shake" in the car at between 80 and 110 kmh indicates a problem with:
a) Caster                                        b) Toe
c) Shock absorbers                      d) Wheel balance

In the tire size 225 / 50 VR 16, "225" stands for :
a) Rim Diameter                         b) Aspect ratio      
c) Speed rating                           d) Width

In the tire size 225 / 50 VR 16, " V " stands for :
a) Rim diameter                        b) Aspect ratio      
c) Speed rating                          d) Width

In the tire size 225 / 50 VR 16, " 16 " stands for :
a) Rim diameter                         b) Aspect ratio      
c) Speed rating                           d) Width

In the tire size 225 / 50 VR 16, " 50 " stands for :
a) Rim diameter                         b) Aspect ratio      
c) Speed rating                           d) Width

Technician 'A' says to use a puller to remove a Pittman arm. Technician 'B' says to use puller to remove an idler arm. Who is correct?
a) Technician " A "                         b) Technician " B " 
c) Both                                              d) Neither

The customer complains of squeal from the front brakes which goes away when the brakes are applied. Is it caused by?
a) Brake shoes out of adjustment             
b) Seized calipers
c) Dirt between the pads and rotor         
d) Parking brake out  of adjustment

A customer complains about a low brake pedal. What is causing it?
a) Brake shoes out of adjustment            
b) Seized calipers
c) Dirt between the pads and rotor         
d) Parking brake out of adjustment

A customer complains about heat coming off her wheels. She just had an $89.95 brake job at another shop, of course. The problem is:
a) Brake shoes out of adjustment            
b) Seized calipers
c) Dirt between the pads and rotor         
d) Parking brake out of adjustment

A customer complains about a grinding noise whenever he steps on the brakes. What is the problem?
a) Worn rotors                            b) Worn wheel bearings
c) Seized calipers                        d) Worn brake pads

Al says its OK to use rotors below minimum thickness if they're smooth.  Bob says it is dangerous to use brake rotors below minimum thickness. Who is correct?
a) Al            b) Bob            c) Both            d) Neither

Technician 'A' says to use an air pressure test on an automatic transmission. Technician 'B' says pressure tests don't work. Who is right?
a) Technician " A "                              b) Technician " B " 
c) Both                                                   d) Neither

If the left front wheel had negative caster, the car would:
a) Wear the inner edge of the tire      b) Pull to the left
c) Pull to the right                                 d) Not handle well

On short and long arm suspension, when replacing upper control arm bushings, when should you torque the bolts?
a) IN THE VICE                      
b) ON CAR WITH FULL WEIGHT ON THE WHEELS
c) ON CAR WITH WEIGHT OFF THE WHEELS              
d) AFTER ALIGNMENT

After removing the head, technician 'A' says to pull the pistons and de-glaze. Technician 'B' says to use a ridge reamer, then pull the pistons out. Who is right?
a) TECHNICIAN 'A'                         b) TECHNICIAN 'B'      
c) BOTH                                              d) NEITHER

An engine has a rough idle, but no vacuum leaks. Technician 'A' says the EGR valve is stuck open. Technician 'B' says it has a faulty AIR pump. Who is correct?
a) TECHNICIAN 'A'                         b) TECHNICIAN 'B'      
c) BOTH                                              d) NEITHER

What WOULDN'T cause backfire?
a) LEAN MIXTURE                  b) RETARDED TIMING (5 degrees)
c) STUCK CHOKE                    d) PLUG WIRES CROSSED

A car pulls toward one side when driving. Technician 'A' says the car has a faulty radial tire. Technician 'B' says the tires are just out of balance. Who is correct?
a) TECHNICIAN 'A'                     b) TECHNICIAN 'B'      
c) BOTH                                          d) NEITHER

What is viscosity in oil?
a) RESISTANCE TO FLOW             b) RESISTANCE TO FOAM
c) RESISTANCE TO RUST              d) RESISTANCE TO FREEZING

In short and long arm suspension, which arm carries the load when the spring is in between the arms?
a) UPPER                                             b) LOWER          
c) BOTH                                               d) DEPENDS ON THE CAR

How do you set camber?
a) MOVE LOWER BALL JOINT FORWARD              
b) CHANGE TIE ROD LENGTH
c) MOVE LOWER BALL JOINT OUTWARD              
d) MOVE IDLER ARM

If you had sloppy steering on a rear wheel drive car with a worm gear steering box, what do you adjust?
a) STEERING BOX                                 b) TOE - IN              
c) CAMBER                                              d) CASTER

When re-building a wheel cylinder, technician 'A' says to make sure the bleeder screw is free. Technician 'B' say to check for scoring in the bore. Who is right?
a) TECHNICIAN 'A'                     b) TECHNICIAN 'B'         
c) BOTH                                          d) NEITHER

Technician 'A' says the residual pressure check valve resists rapid fluid return to the master cylinder to allow the brakes to be 'pumped up'. Technician 'B' says it is there to keep 5-16 psi in the system to keep the seals tight against the bore and keep air out. Who is right
a) TECHNICIAN 'A'                     b) TECHNICIAN 'B'         
c) BOTH                                          d) NEITHER

A customer complains of a growling noise when the car turns a corner. What is the problem?
a) AXLE BEARINGS                  b) DIFFERENTIAL GEARS
c) FINAL DRIVE GEARS         d) PINION BEARINGS

What is a 'dummy shaft' used for in a manual transmission ?
a) LINING UP THE CLUSTER GEAR AND BEARINGS TO INSTALL THE COUNTER SHAFT
b) REPLACING THE MAIN SHAFT             
c) LINING UP THE SPEEDOMETER GEAR
d) SETTING THE DRIVE SHAFT STRAIGHT

What is another name for a 'Static Balancer'?
a) DYNAMIC BALANCER              b) HARMONIC BALANCER
c) HIGH SPEED BALANCER          d) BUBBLE BALANCER

Which is the best axle ratio for good fuel economy?
a) 4.11:1              b) 3.89:1              c) 3.23:1              d) 2.55:1

What does a lock-up torque converter do?
a) PREVENTS THEFT                      
b) GIVES BETTER GAS MILEAGE
c) SLOWS THE CAR DOWN           
d) GIVES BETTER ACCELERATION

If you replace the springs, what is NOT affected?
a) CAMBER         b) RIDE HEIGHT         c) CASTER          d) TOE

When do the AIR system and Catalytic Converter work to reduce CO?
a) DURING COMBUSTION                      b) BEFORE COMBUSTION
c) AFTER COMBUSTION                          d) ALL OF THE ABOVE

What does the diverter valve do?
a) SENDS AIR TO THE EXHAUST MANIFOLD OR CATALYTIC   CONVERTER
b) IS CONTROLLED BY THE COMPUTER
 c) BOTH OF THE ABOVE                      
d) NONE OF THE ABOVE

Where is the Oxygen sensor located?
a) IN THE INTAKE MANIFOLD        
b) IN THE EXHAUST MANIFOLD
c) IN THE RADIATOR
d) IN THE CRANKCASE

If your intake manifold is cracked (vacuum leak) what emissions will be affected? (remember, vacuum leaks cause lean mixture, high temperature, and lean misfire)
a) high CO and HC                 b) high HC and NOx      
c) high NOx                              d) high PARTICULATES

What does the EGR valve control?
a) NOx                                                 b) GAS MILEAGE      
c) CO and HC                                    d) IGNITION TIMING

            What is the electrical pressure which forces electrons through the circuit called?    
            a) current          b) ohms    c) voltage       d) amps

What is the actual amount of flow of electrons through a circuit called? 
a) current                      b) ohms            c) voltage             d) amps        

  It (question 2) is measured in;
a) current                      b) ohms            c) voltage             d) amps 

Resistance to electron flow is measured in;
a) current                      b) ohms            c) voltage             d) amps 

Along with water, what is the electrolyte in a battery made of?
a) citric acid            b) nitric acid      c) sulphuric acid            d) carbolic acid 

What is the specific gravity of a fully charged battery?
a)  1.000                      b) 1.3                           c) 3.000               d) 1.275 

In an alternator, the ( a  b  c  d  ) coil rotates, and the (  a  b  c  d  ) coil stays still.
a) output                       b) field                          c) primary             d) secondary 

 The starter’s drive pinion is already spinning when it meshes with the ring gear.
True         or         False? 

One tail light is out, there is power at the socket but a new bulb doesn't work. What is the likely cause?
 a) a bad ground  b) a bad fuse         c) a bad bulb            d) a bad switch 

   A protection device for a circuit is called a _____________________
a) bulb                          b) switch               c) fuse                          d) ground 

Technician A says the automotive clutch connects and disconnects the engine and drive shaft. Technician B says the automotive clutch connects and disconnects the engine and torque converter. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

  Technician A says the pilot bearing is in the center of the crankshaft. Technician B says the pilot bearing supports the front of the transmission input shaft. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

   Technician A says the clutch disc is bolted to the engine flywheel. Technician B says the clutch disc slides on splines on the transmission input shaft. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

Clutch slippage will normally show up first in which gear?
a) 1^st gear                     b) 2^nd gear                  c) reverse             d) 5^th gear 

Which one of the following gear ratios is an overdrive ratio?
a) 1:1                           b) 0.87:1              c) 1:0.87              d) 3.55:1 

A certain manual transmission’s drive gear has 12 teeth, and its driven gear has 72 teeth. What is the gear ratio?
a) 6:1                           c) 72:12               c) 1.666:1                        d) 1: 6 

A manual transmission synchronizer is used to:
a) prevent gear clashing and grinding               
b) lock the output gear to the output shaft
c) Both of the above                                       d) None of the above 

Technician A uses a hammer and socket to change a drive shaft’s U-Joints. Technician B uses a hydraulic press. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

Technician A says the differential allows the outer wheel to go faster going around a corner. Technician B says the axles turn the spider gears equally. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

Which rear axle will give our car the best gas mileage?
a) 3.55:1                      b) 3.23:1              c) 4.11:1              d) 2.73:1 

What do shock absorbers do?
a) absorb shocks                b) dampen spring action    
c) set ride height                d) help springs 

A shock works by restricting the flow of _____ through its' valves.
    a) oil                         b) gas                         c) water                        d) air 

What part connects the center link to the steering arm, and is used to adjust toe ?
    a) Pittman arm       b) Idler arm                  c) Ball joint             d) Tie rod 

It is usually immediately apparent which type of steering system a car has, simply by driving it down the road. How would Rack and Pinion steering  be different?
     a)  no lash             b) more control         c) better ride         d) better handling  

True   or   False  ?  Caster affects tire wear slightly 

If Caster is greater on one wheel than the other, what will the car be like to drive?
a) it will pull    b) it will sway    c) it won't corner well    d) the tires will wear 

Caster is increased by moving the lower ball joint:   

    a) forward            b) rearward      c) inward                      d) outward 

Camber is increased by moving the lower ball joint: 
a) inward                b) outward                        c) forward                        d) rearward 

The difference between radial ply and bias ply tires is:
a) radials have the carcass plies at 90 degrees to the tread
b) radials have belts, bias plies don't
c) radials have no bead wires
d) radials have more tread 

What is the purpose of the drop center of the rim?
 a) sets the wheel offset    b) allows the tire to be mounted and dismounted.   
c) mounts the wheel to the axle.     d) keeps the tire from coming off the rim.

What is Pascal's Law ?
a)    For every action there is an equal and opposite reaction.
b)    Pressure is distributed equally throughout the system.
c)    A body at rest tends to stay at rest until acted on by a force.
d)    A person is promoted until they reach their point of incompetence 

What does the Master cylinder do?
a) converts the pressure in the brake pedal to force.    
b) applies the "E" brake 
c) converts the force of the brake pedal into pressure.     
d) works with disc brakes 

Why do most front wheel drive cars use dual diagonal brake systems ?
a)    because the front brakes on front wheel drive cars are so poor.
b)    because the rear brakes on  front wheel drive cars are so poor.
c)    because it's cheaper                     d)     because it gets better gas mileage 

Why should only clean brake fluid from a closed container be used ?
a)    because fluid goes sour after a while   
 b)     because fluid absorbs water right out of the air
c)    the fluid needs to be fresh                        d)     because fluid absorbs air 

What causes brake fade ?
a)    overheating                             b)     leaking wheel cylinders   
c)    shoes out of adjustment       d)     water on the brake linings 

What chemical should be put on the guide pin threads, to make sure the pin doesn't come out ?
a)    anti-seize        b)     disc brake quiet        c)     grease        d)     loctite 

What should be done to the sliding surfaces of the caliper and holder, to make sure the caliper slides ?
a) nothing        b) cleaned up with sandpaper        c) honed out        d) filed 

What should the caliper and holder sliding surfaces be coated with on assembly?
a) anti-seize     b) disc brake quiet        c) grease        d) loctite 

A reluctor on the rotor, or drum, rotates past the speed sensors creating
a) a voltage                b) a pulse        c) resistance                d) a memory 

The ABS computer then reads this, and compares it to the vehicle speed. If it finds a speed sensor reading zero, or approaching zero, it tells the hydraulic modulator to
a)    allow the brakes to slip.             b)     lock them up       
c)    take off the brakes                       d)     pulse the brakes 

What produces photochemical smog?
    a) NOx              b) CO              c) HC              d) CFC's 

Where is the Oxygen sensor located?
    a) In the intake manifold            b) in the exhaust manifold
    c) in the radiator                            d) in the crankcase 

When do the AIR system and Catalytic Converter work to reduce CO?
    a) during combustion                  b) before combustion
    c) after combustion                       d) all of the above 

What does the diverter valve do?
    a) sends air to the exhaust manifold or the catalytic converter.
    b) is controlled by the computer
    c) both of the above                     d) none of the above 

When discussing an evaporative emissions control system, Technician A says a charcoal canister stores fuel vapours when the engine is not running. Technician B says it only absorbs vapours when the engine is running. Who is right?
a) Technician A only          b) Technician B only      
c) Both A and B                    d) neither A or B 

Increased combustion temperatures trend to increase NOx emissions.
True         or         False? 

Technician A says that CO and HC decrease at leaner Air/Fuel ratios. Technician B says that NOx emissions increase at richer air fuel ratios. Who is right?
a) Technician A only      b) Technician B only      
c) Both A and B                d) neither A or B 

Technician A says that a dual bed Catalytic converter reduces CO, HC and NOx. Technician B says a three way Catalytic converter does that. Who is right?
a) Technician A only          b) Technician B only      
c) Both A and B                    d) neither A or B 

Technician A says a vacuum leak will increase CO emissions. Technician B says a vacuum leak will increase NOx emissions. Who is right?
a) Technician A only              b) Technician B only      
c) Both A and B                        d) neither A or B 

Technician A says increasing the operating temperature will decrease HC and CO emissions. Technician B says a cold engine will reduce your chances of getting through Air Care. Who is right?
a) Technician A only          b) Technician B only      
c) Both A and B                   d) neither A or B