- Latex gloves provide excellent protection against cuts.
ANS: F PTS: 1
- Batteries are potentially explosive.
ANS: T PTS: 1
- Regular prescription glasses offer sufficient eye protection in the shop environment.
ANS: F PTS: 1
- If there is no fire extinguisher available, a blanket or fender cover can be used to smother the flames.
ANS: T PTS: 1
- MSDS should be kept in a locked cabinet in the service manager’s or supervisor’s office.
ANS: F PTS: 1
- The correct lift points for raising a vehicle can be found in the service manual.
ANS: T PTS: 1
- Even though safety stands (jack stands) are properly positioned, the weight of the vehicle should remain on the floor jack.
ANS: F PTS: 1
- Brake fluid and chlorinated solvents [Brakekleen] can be drained into the shop’s waste oil container.
ANS: F PTS: 1
- Gasoline fumes are lighter than air.
ANS: F PTS: 1
- Carbon monoxide is an odorless but deadly gas.
ANS: T PTS: 1
- Diesel fuel may contain microorganisms and can be highly infectious if it gets into an open cut or sore.
ANS: T PTS: 1
- Dull tools can be more dangerous than sharp tools.
ANS: T PTS: 1
- In a pinch, an old flat tip screwdriver can be used as a chisel.
ANS: F PTS: 1
- Ratchets and wrenches should be kept lightly oiled to prevent rust.
ANS: F PTS: 1
- All employees must be trained about their rights under the EPA legislation, the nature of the hazardous chemicals in their workplace, and the contents of the labels on the chemicals in their workplace.
ANS: T PTS: 1
MULTIPLE CHOICE
- Which of the following statements about safety glasses is true?
| a. | They should offer side protection |
| b. | The lenses should be made of a shatterproof material |
| c. | Some service operations require additional eye protection to be worn with safety glasses |
| d. | All answers are correct |
ANS: D
All answers are correct
PTS: 1
- Gasoline is ______.
| a. | highly volatile | c. | dangerous, especially in vapor form |
| b. | highly flammable | d. | all answers are correct |
ANS: D
all answers are correct
PTS: 1
- Mesothelioma is a form of lung cancer that is caused by exposure to ______.
| a. | gasoline | c. | carbon monoxide |
| b. | asbestos | d. | chlorinated hydrocarbons [CHC] |
ANS: B
asbestos
PTS: 1
- A high concentration of undesirable vapors, gases, or dust can be classified as a(n) ______.
| a. | hazardous waste | c. | ergonomic hazard |
| b. | physical hazard | d. | chemical hazard |
ANS: D
chemical hazard
PTS: 1
- A class A type fire extinguisher can be used on what type of fires?
| a. | plastic | c. | electrical wiring |
| b. | gasoline | d. | all answers are correct |
ANS: A
plastic
PTS: 1
- Federal Right-to-Know laws concern ______.
| a. | auto emission standards |
| b. | hazards associated with chemicals used in the workplace |
| c. | employee benefits |
| d. | hiring practices |
ANS: B
hazards associated with chemicals used in the workplace
PTS: 1
- A class C type fire extinguisher can be used on what type of fires?
| a. | rubber | c. | gasoline |
| b. | electrical wiring | d. | all answers are correct |
ANS: B
electrical wiring
PTS: 1
- Failure to report a hazardous waste spill can result in a penalty of ______.
| a. | $10,000 | c. | both “$10,000” and “one year in jail” |
| b. | one year in jail | d. | neither “$10,000” nor “one year in jail” |
ANS: C
both “$10,000” and “one year in jail”
PTS: 1
- Which of the following is recommended to extinguish electrical fires?
| a. | type A | c. | type C |
| b. | type B | d. | all answers are correct |
ANS: C
type C
PTS: 1
- What type of gloves should be worn when working on the electrical system of a hybrid vehicle?
| a. | polyurethane rubber | c. | lineman’s |
| b. | nitrile rubber | d. | leather |
ANS: C
lineman’s
PTS: 1
- Technician A says it is recommended that you wear shoes with nonslip soles in the shop. Technician B says safety shoes have steel plates built into the toe and shank to protect your feet. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Technician A says all hazardous wastes must be properly labeled and sealed and kept in the recommended containers. Technician B says to reduce the amount of hazardous waste generated by a shop, parts should be cleaned first with dirty solvent, then a second time with clean solvent. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Ergonomic hazards are being discussed. Technician A says they impede normal body position and motion. Technician B says they are the result of noise or vibrations. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- Technician A removes a battery by disconnecting the positive cable first. Technician B uses a battery lifting strap to lift the battery out of the vehicle. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: B
B only
PTS: 1
- Technician A says carbon monoxide has an odor similar to burnt oil. Technician B says a volatile liquid evaporates slowly. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: D
neither A nor B
PTS: 1
- An MSDS is being discussed. Technician A says it is the shop’s responsibility to develop it. Technician B says it must be readily available to all shop personnel. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: B
B only
PTS: 1
- Technician A says OSHA regulates vehicle emission standards. Technician B says the Environmental Protection Agency [EPA] regulates the disposal of hazardous wastes. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: B
B only
PTS: 1
- Technician A says used engine oil may be burned in a commercial space heater. Technician B says oil filters should be thrown in the trash immediately after being removed from the vehicle. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- Technician A says vehicle refrigerants must be recovered and recycled. Technician B says splash goggles should be worn when servicing an air-conditioning system. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Because the electric motors in hybrid vehicles have very strong permanent magnets people with _____ should not work on or near them?
| a. | pacemakers |
| b. | stainless steel surgical staples or bone pins |
| c. | both “pacemakers” and “stainless steel surgical staples or bone pins” |
| d. | neither “pacemakers” nor “stainless steel surgical staples or bone pins” |
ANS: A
pacemakers
PTS: 1
- Technician A uses a respiratory mask [respirator] when working with solvents and painting. Technician B uses a mask [particle mask] when working on or handling parts made with asbestos.Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- When lifting heavy parts, Technician A twists at the waist to change direction. Technician B turns his whole body using his feet. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | Neither A or B |
ANS: B
B only
PTS: 1
- What type of gloves should be worn for cleaning parts in solvent?
| a. | latex rubber | c. | polyurethane rubber |
| b. | nitrile rubber | d. | rubberized Nylon |
ANS: C
polyurethane rubber
PTS: 1
- Battery charging is being discussed. Technician A says the charger should be turned on before connecting the charger cables to the battery terminals. Technician B says a battery with frozen electrolyte should be charged for thirty minutes or until the electrolyte melts. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: D
neither A nor B
PTS: 1
- Gloves used in the cleanup of blood after an accident should be ______.
| a. | burned | c. | placed in a hazardous waste container |
| b. | sterilized | d. | none of these answers is correct |
ANS: B
sterilized
PTS: 1
- The high voltage electrical cables [harness cover] of a hybrid vehicle are colored ______.
| a. | red | c. | yellow |
| b. | orange | d. | pink |
ANS: B
orange
PTS: 1
- Technician A aims the nozzle of a fire extinguisher at the base of the fire. Technician B uses a sweeping motion, back and forth over the entire width of the fire. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- A hybrid vehicle needs to be towed into the shop. Technician A says it should be towed on a flatbed truck. Technician B say it can be towed with its drive wheels on the ground as long as the transmission is in neutral. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- When driving out rusted bolts, Technician A places the round end of a ball-peen hammer over the bolt and then hits the flat end of the ball-peen hammer with a sledge hammer. Technician B uses a Phillips tip screwdriver and a ball peen hammer to drive out small rusted bolts. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: D
neither A nor B
PTS: 1
- The best method to use to loosen a bolt is ______.
| a. | a socket and ratchet |
| b. | a box end wrench |
| c. | both “a socket and ratchet” and “a box end wrench” |
| d. | neither “a socket and ratchet” nor “a box end wrench” |
ANS: C
both “a socket and ratchet” and “a box end wrench”
PTS: 1
COMPLETION
- Prior to disposing of a used oil filter, it should drain ____________________ hours.
ANS:
24
twenty-four
PTS: 1
- Something that catches fire and burns easily is called a(n) ____________________ substance.
ANS: flammable
PTS: 1
- A volatile liquid ____________________ easily.
ANS: vaporizes
PTS: 1
- The area where volatile solvents and chemicals are used must be properly ____________________.
ANS: ventilated
PTS: 1
- After disconnecting the high-voltage system of a hybrid vehicle, you should wait at least ____________________ minutes before working on or around the high-voltage wiring.
ANS:
ten
10
PTS: 1
- A multipurpose dry ____________________ fire extinguisher will put out ordinary combustibles, flammable liquids, and electrical fires.
ANS: chemical
PTS: 1
- ____________________ hazards are caused by high concentrations of vapors, gases, or solids in the form of dust.
ANS: Chemical
PTS: 1
- The most dangerous battery is the one that has been ____________________.
ANS: overcharged
PTS: 1
- ____________________ hazards include excessive noise, vibration, pressures, and temperatures.
ANS: Physical
PTS: 1
- ____________________ hazards are conditions that impede normal and/or proper body position and motion.
ANS: Ergonomic
PTS: 1
- A bloodborne ____________________ is a microorganism that causes disease.
ANS: pathogen
PTS: 1
- The voltage in a hybrid vehicle’s electrical system can be as high as ____________________ volts.
ANS:
650
six hundred fifty
PTS: 1
- ____________________ gloves weaken when they are exposed to oil, gasoline and solvents.
ANS: Latex
PTS: 1
ESSAY
- At what point is a material considered hazardous?
ANS:
When it is classified by the EPA (or OSHA) as being harmful to the environment or the worker
PTS: 1
- Who is responsible for preparing the information on an MSDS?
ANS:
The manufacturer of the chemical product
PTS: 1
- Why should electric cooling fans be disconnected when working around the radiator?
ANS:
They may come on, even without the ignition switch on.
PTS: 1
- What steps should you follow to prevent an injury when lifting heavy objects?
ANS:
Maintain good balance, keep your back straight, apply a firm grip, use your leg muscles rather than your back muscles, avoid twisting your body, do not bend forward, and set the item onto blocks to protect your fingers.
PTS: 1
- What is an MSDS?
ANS:
A material safety data sheet describes hazardous materials/products.
PTS: 1
- Describe what to do with a used oil filter.
ANS:
It should be drained for twenty-four hours, crushed, and recycled.
PTS: 1
- Where can a shop’s complete list of hazardous materials be found?
ANS:
It should be posted for the employees to see.
PTS: 1
- How is an exhaust ventilation system used?
ANS:
Connect the ventilation hose to the vehicle’s tailpipe(s). Turn on the fan motor.
PTS: 1
- When should eye protection be worn?
ANS:
Whenever one is in the shop
PTS: 1
- Where in the shop should a list of emergency telephone numbers be posted, and why is its location important?
ANS:
Next to the telephone so that anyone can locate them when needed
PTS: 1
- What steps should you take to alleviate the fire hazard caused by a minor spill of gasoline such as what may occur while changing a fuel filter?
ANS:
Wipe up the spill immediately with rags.
Make sure that any grinding or welding that may be taking place in the area is stopped.
Flush the floor with water.
Take the rags used to absorb the gasoline outside to dry, then store in an approved oily rag container.
If vapors are still present, open doors and turn on the ventilation system.
PTS: 1
- What is spontaneous combustion?
ANS:
Fires that start all by themselves, without a source of ignition.
PTS: 1
Chapter 7—Preventive Maintenance and Basic Services
TRUE/FALSE
- An oil with a viscosity index of 10W-30 has a viscosity of 10 when warm and a 30 when cold.
ANS: F PTS: 1
- All Ford vehicles use Type F automatic transmission fluid [ATF].
ANS: F PTS: 1
- Oil should be changed only when it appears dirty or black.
ANS: F PTS: 1
- Oil viscosity classification is established by the Society of Automotive Engineers [SAE].
ANS: T PTS: 1
- Hybrid vehicles are maintained and serviced in the same manner as conventional vehicles, except for the hybrid components.
ANS: T PTS: 1
- A torque stick cannot be used to tighten lug nuts.
ANS: F PTS: 1
- Most hydraulic clutch systems use brake fluid.
ANS: T PTS: 1
- Disconnecting and then reconnecting the battery on a late model car might cause the engine to run rough for a few miles.
ANS: T PTS: 1
- Air filters are typically replaced every 100,000 miles.
ANS: F PTS: 1
- A belt that does not have proper tension may squeal or chirp.
ANS: T PTS: 1
MULTIPLE CHOICE
- Technician A wipes off the outside of a zerk fitting before injecting grease into it. Technician B injects just enough grease to cause the boot to expand slightly. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- The VIN number includes all the information listed below EXCEPT:
| a. | model tear | c. | manufacturer |
| b. | engine type | d. | vehicle weight |
ANS: D
vehicle weight
PTS: 1
- Two technicians are discussing the measurement of antifreeze concentration in coolant. Technician A uses a coolant hydrometer. Technician B uses a refractomer. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Before replacing a serpentine belt ______.
| a. | cut the old belt with a razor blade to make the job easier. |
| b. | measure the belt tension with a belt tension gauge so that the new belt can be retensioned to the original tension. |
| c. | remove the fan and water pump. |
| d. | locate the belt routing diagram on the underhood decal or shop manual; if none is found draw your own |
ANS: D
locate the belt routing diagram on the underhood decal or shop manual; if none is found draw your own
PTS: 1
- After servicing a hybrid car, the engine will not start. Technician A says the wrong engine oil was installed. Technician B says the wrong type of brake fluid was used. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- Two technicians are discussing the proper coolant to use on a late model GM vehicle. Technician A says that “DEX-COOL” type Organic Acid Technology [OAT] is the proper coolant to use. Technician B says that Ethylene Glycol [good old green] type antifreeze can be used on any vehicle. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- Two technicians are discussing testing coolant with test strips. Technician A says the test strip measures freezing protection level. Technician B says the test strip measures coolant acidity.Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- A vehicle is towed into the shop with a thrown serpentine belt. Technician A checks for a worn pulley bearing. Technician B checks for a faulty tensioner. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Technician A checks V-belt tension by pressing his thumb firmly on the longest straight span of the belt and measuring the amount of deflection. Technician B uses a belt tension gauge. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Technician A says grease fittings are found on parts of the steering system. Technician B says grease fittings are found on parts of the brake system. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: A
A only
PTS: 1
- Which of the following is NOT a good reason to replace a belt.
| a. | worn or glazed edges | c. | tears and splits |
| b. | squealing or chirping | d. | signs of oil soaking |
ANS: B
squealing or chirping
PTS: 1
- Technician A says V-belts are manually tensioned and require periodic adjustment. Technician B says serpentine belts are normally automatically adjusted. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- Ethylene glycol antifreeze is _____.
| a. | the most commonly used antifreeze | c. | poisonous |
| b. | green in color | d. | all answers are correct |
ANS: D
all answers are correct
PTS: 1
- The minimum concentration of antifreeze is _____.
| a. | 20% antifreeze, 80% water | c. | 44% antifreeze, 56% water |
| b. | 33% antifreeze, 66% water | d. | 50% antifreeze, 50% water |
ANS: C
44% antifreeze, 56% water
PTS: 1
- Which of the following properties of synthetic oil is NOT true?
| a. | low viscosity at high temperatures | c. | a longer service life |
| b. | low viscosity at low temperatures | d. | better fuel economy |
ANS: A
low viscosity at high temperatures
PTS: 1
- The tenth character in the VIN is the _____.
| a. | manufacturer | c. | model year |
| b. | engine family | d. | body type |
ANS: C
model year
PTS: 1
- The VIN number for vehicles built in the United States begins with _____.
ANS: A
1
PTS: 1
- Radial tires should be rotated every _____ miles.
| a. | 5,000 | c. | 15,000 |
| b. | 10,000 | d. | 25,000 |
ANS: C
15,000
PTS: 1
- Directional tires are being discussed. Technician A says directional tires should not be cross rotated, but rotated front to rear. Technician B cross rotates the tires by dismounting them from the rims, flipping them over and remounting. Who is correct?
| a. | A only | c. | both A and B |
| b. | B only | d. | neither A nor B |
ANS: C
both A and B
PTS: 1
- If a ball joint has a threaded plug, the plug can be removed and a _____ fitting installed that will allow the ball joint to be greased periodically.
| a. | Whittington | c. | ferrule |
| b. | spring lock | d. | zerk |
ANS: D
zerk
PTS: 1
COMPLETION
- Research shows that states with annual safety inspection programs have ____________________ percent fewer accidents than states without safety inspections.
ANS:
20
twenty
PTS: 1
- S ____________________classification [API] oil is used in all cars that have gasoline engines and were built in or after 2005.
ANS: M
PTS: 1
- The EP designation for a chassis grease stands for ____________________.
ANS: extreme pressure
PTS: 1
- The W in 5W-30 viscosity oil stands for ____________________.
ANS: winter
PTS: 1
- Coolant acidity is measured with ____________________.
ANS: a test strip
PTS: 1
- The typical replacement interval for an air filter is ____________________ miles.
ANS: 30,000
PTS: 1
- If the wiper blades are NOT pressed firmly onto the windshield, the ____________________ should be replaced.
ANS: wiper arms
PTS: 1
- A torque stick is used to ensure that the ____________________ are not overtorqued.
ANS: lug nuts
PTS: 1
- Describe the procedure for checking the condition of an air filter.
ANS: Remove the filter and hold it up against a light. If little or no light passes through the filter, the filter should be replaced.
PTS: 1
- In most states, the actual repair cost cannot exceed the estimate by more than ____________________ percent without the customer’s authorization.
ANS:
10
ten
PTS: 1
ESSAY
- What information is contained in the VIN?
ANS:
country of manufacture
manufacturer
manufacturing division
body type
engine type
model year
assembly plant
sequence number
PTS: 1
- Why should the radiator cap never be removed when the engine is hot?
ANS:
Because the system is pressurized, the coolant can be hotter than boiling water and will cause severe burns if it is sprayed onto clothes or skin or into your eyes.
PTS: 1
- What are serpentine belts?
ANS:
Most late model cars use serpentine belts to drive all or most accessories. Serpentine belts are long and follow a complex path that weaves around the various pulleys. Serpentine belts are flat on the outside and have a series of continuous ribs on the inside. These ribs fit into matching grooves on the pulleys. Both the ribbed side and the flat side can be used to transfer power. Most serpentine belts use an automatic tensioner to maintain ideal belt tension throughout the life of the belt.
PTS: 1
- Besides generating repair orders, what other services can be done by computerized shop management systems?
ANS:
preparing estimates
scheduling reminders
bookkeeping
vehicle/owner history
service history
tracking employee productivity
PTS: 1
- Why does a car that never leaves south Florida require a 50/50 concentration of antifreeze and water.
ANS:
In addition to lowering the freezing point, antifreeze raises the boiling point. This is necessary for summer driving when the air-conditioning load is high. Antifreeze also prevents corrosion and erosion caused by cavitation.
PTS: 1
- What is a core charge?
ANS:
When a remanufactured part is purchased, the original part must be returned to the remanufacturer so that it can be rebuilt and reused. A core charge is a deposit charged by the vendor that ensures that a rebuildable core is returned to the parts store where it will be shipped back to the manufacturer.
PTS: 1
- List four things to check while visually inspecting a battery.
ANS:
Dirt and grease on the cover[case], electrolyte level, cracks and loose terminals, missing cell plug covers, cables for broken and corroded wires, terminals for tightness and corrosion, hold downs for tightness, heat shield [if equipped]
PTS: 1
- List three different types of antifreeze.
ANS:
Ethylene glycol, propylene glycol, phosphate-free, OAT [organic acid technology], HOAT [hybrid organic acid technology]
PTS: 1
- Why is transmission fluid colored red?
ANS:
To distinguish it from other fluids such as antifreeze, engine oil, and brake fluid.
PTS: 1
- Why must wheel lug nuts be properly torqued using a torque wrench?
ANS:
Overtorquing of the lug nuts is the most common cause of disc brake rotor distortion. Distorted rotors cause pedal pulsation during braking. Also an overtorqued lug distorts the threads of the lug and stud and can lead to premature failure.
