Automotive Final
What is an open circuit?
A break in the wire
Continuity is _____________
A continuous circuit
Which of the following statements is NOT correct?
A dirty shop is a safe shop
When servicing high-voltage hybrids, techs should always wear their leather gloves. T or F?
False
What combines hydrogen and oxygen to produce water, and in the process produces electricity and heat?
Fuel cell
A ____________ is any material that poses an unreasonable risk of damage or injury to persons, property, or the environment if not properly controlled during handling.
Hazardous material
What vehicles uses a combination of electrical power and an internal combustion engine (ICE)?
Hybrid
What is it called when diesel will not flow at all?
Pour point
There are two main types of steering systems used on vehicles today. They include:
Rack & pinion and Parallelogram
The cooling system component that transfers the heat from the coolant to the air is called the ___________
Radiator
What is it called when the drive motors recharge the battery?
Regenerative braking
The _______________ protects the inner joints from dirt and contaminants.
Rubber bellows
The _____________ is used to read codes and data from the vehicle's power train control module (PCM) when diagnosing the vehicle's computer-controlled systems.
Scan tool
The _____________ is a complete list of all the servicing and repairs that have been performed on a vehicle
Service history
Tech A says barrier cream provides extra protection from chemicals and oils. Tech B says standard moisturizer can be used like barrier cream. Who is correct?
Tech A
Tech A says dealerships perform maintenance and warranty repairs. Tech B says dealerships techs hardly ever get sent for manufacturer training. Who is correct?
Tech A
Tech A says that there are many power steering maintenance procedures that must be done by qualified techs. Tech B says that the power steering system is maintenance free. Who is correct?
Tech A
Tech A says the hybrid electric vehicles (HEVs) are able to offset internal combustion engine (ICE) efficiency by using a smaller engine and running the ICE at optimal torque ans speed. Tech B says the HEVs are able to offset ICE efficiency by using bio-fuels. Who is correct?
Tech A
Tech A says you need to replace shocks or struts in pairs. Tech B says it's ok to replace only one shock or strut. Who is correct?
Tech A
Tech A says it is your duty to fight a fire to the death to save property. Tech B says do not fight the fire unless you can do so safely. Who is correct?
Tech B
Tech A says that you can use any fluid in a power steering pump, as they are all the same. Tech B says you must use the correct type and brand of fluid by manufacturer. Who is correct?
Tech B
Tech A says when checking resistance in a circuit, you need to have power connected to the component. Tech B says ideally, you should have a component disconnected. Who is correct?
Tech B
Tech A says when you ground a circuit, you hook it back to the positive side of the battery. Tech B says some manufacturers use the chassis as a return path to the battery. Who is correct?
Tech B
The hybrid uses a continuously variable transmission (CVT) readmission. Tech A says that the CVT shifts from gear up and down as needed to maintain correct speed and torque. Tech B says that the CVT does not shift but continuously varies as needed to maintain speed and torque. Who is correct?
Tech B
A vehicle can be pulled over by a police officer for a broken taillight. T or F?
True
As technical complexity has grown in modern vehicles, so has the need for more specialized job roles.
True
Before a tech works on a hybrid, he or she needs to get specific training and be certified. T or F?
True
Electrical technicians diagnose, replace, maintain, identify faults with, and repair electrical wiring and computer-based equipment in the vehicles. T or F?
True
Slip, trip, and fall hazards are present in the shop and can be caused by trash or liquid spills that are not quickly cleaned up or by tools and equipment left lying around. T or F?
True
The acronym for five extinguisher use is PASS, which stands for Pull, Aim, Squeeze, and Sweep. T or F?
True
The location of air filters will vary. T or F?
True
Oil that has the properties of two separate viscosity oils is known as ___________
multiviscosity oil
To ensure that the air brought into the vehicle is free from dust and debris, many vehicles ____________________
pass the air through a cabin air filter
The most common type of steering system used on vehicles today is the _____________
rack and pinion
Camber is the ______________
side-to-side vertical tilt of the wheel
The ________________ connects the wheels to the suspension ans steering system.
steering knuckle
For most passenger vehicles, to raise the temperature in the passenger compartment, the vehicle's HVAC system uses _________
the heat created by the engine operation
Volts, amps, and ohms are the three basic units of electrical measurement. T or F?
True
When checking shocks you should bounce the car. T or F?
True
The ______________ is used by technicians to identify engine and emission control information for the vehicles?
Vehicle Emission Control Information (VECI) label
What is the waste product exhausted from a fuel cell (electric) vehicle (FCV)?
Water
Which of the following is MOST likely to be true about a service manager?
*All of the above* (is responsible for the function of the service department, possesses well-established skills in communication, possesses well-established skills in motivation)
An engine drive belt can operate which of the following?
*All of the above* (power steering pump, air conditioning compressor, and alternator)
The __________________ connects the pitman arm to the idler arm
*Both A and B* center link and drag link
Which of the following frictional brake systems is used on vehicles today?
*all of the above* (drum brakes, disc brakes, and air brakes)
Vehicle wander may be caused by what?
*all of the above* (worn joints and bushings, looseness in steering and suspension components, caster angle is off)
The _________ is a form used by shops to collect info regarding a vehicle coming in for repair
*both A and B* (repair order and work order)
Which of the following is a type of shop manual?
*both A and B* )Manufacturer's manual and after-market manual
When discussing a circuit, you know the voltage is 0.202 volts and the current draw is 0.00202 amp. What is the resistance of the circuit?
100 ohm
The high-coltage wiring on a hybrid is yellow. T or F?
False
Which of the following is NOT represented by the 3C's abbreviation?
Customer
Toe is the _______
Angle of the tires relative to each other when viewed from above
What is the power source for battery electric vehicles (BEVs)
Battery
Tech A says most modern compression ignition engines have a four stroke cycle. Tech B says some of the off-road engines have made use of the two stroke cycles principle. Who is correct?
Both Tech A and B
Tech A says relays are turned on and off by a small amount of current. Tech B says there are two types of relays: normally closed (NC) and normally open (NO) types. Who is correct?
Both Tech A and B
Tech A says test lights are great for quick tests. Tech B says you can use a test light to check SRS circuits and computer circuits. Who is correct?
Both Tech A and B
Tech A says that the basic steering has four main parts: a steering column, a steering box, a steering linkage, and a steering knuckle. Tech B says the most basic steering systems have a power assist. Who is correct?
Both Tech A and B
Tech A says specialty shops are usually independent shops that focus on one type of service. Tech B says franchises are similar to specialty shops, but they are connected to a larger parent organization. Who is correct?
Both Techs A and B
Tech A says that when drum brakes are applied, brake shoes are moved outward against a rotating brake drum. Tech B says that drum brakes are used on the rear of many vehicles today. Who is correct?
Both Techs A and B
Tech A says the main role of the crankshaft is to transfer the up-and-down strokes of the pistons into rotary motion. Tech B says the crankshaft is situated in the cylinder head. Who is correct?
Both Techs A and B
Tech A says you must have power supply for a simple circuit to work. Tech B says a switch will interrupt. Who is correct?
Both Techs A and B
Tech A says you should never strip wires with a knife or other sharp tool. Tech B says it's okay to repair wires with solderless connectors if done properly. Who is correct?
Both Techs A and B
____________________ specialize and work only on the chassis and brakes of vehicles, which include steering and suspension
Chassis and brake technicians
The liquid used for the cooling system is known as __________
Coolant
What is it called when diesel fuel begins to have was crystals forming?
Could point
Which of the following is a typical type of ventilation used in a shop?
Doors, Windows, Exhaust extraction systems *(all of the above)*
Class A fires involve electrical equipment. T or F?
False
On most hybrid vehicles, a 42-volt battery is used to power up the vehicle computers and run all of the accessories. T or F?
False
What is the correct order of the 4 stroke cycle?
Intake, compression, power, exhaust
A _______________ contains detailed information about hazardous materials.
Material safety data sheet (MSDS)
Tech A says that all hybrids are configured as a series system. Tech B says that all hybrids are a parallel configuration. Who is correct?
Neither Tech A nor B
Tech A says on the exhaust stroke of the engine, the piston moves downward. Tech B says on the power stroke, the piston moves upward. Who is correct?
Neither Tech A or B
Tech A says that an alternative fuel vehicle is any vehicle that runs on petroleum fossil fuels. Tech B says that diesel fuel and gasoline are alternative fuels. Who is correct?
Neither Tech A or B
The internal combustion engine (ICE) in a hybrid is designed to operate only within its most efficient operating range. Tech A says that the most efficient operating range is 800-1600 rpm. Tech B says that the most efficient operating range is 6000-7000 rpm. Who is correct?
Nether Tech A or B
Which of the following types of jewelry is always safe for techs to wear while on the job?
None of the above (no dangling necklaces, no rings, no watches)
A multimeter will allow you to measure volts, amps, and resistance (Ohms). T or F?
True
The purpose of the evaporator in the A/C system is to do all of the following EXCEPT ______________
allow the refrigerant to change state from a gas to a liquid
The purpose of the A/C compressor is to __________
change a low-pressure gas refrigerant to a high-pressure gas refrigerant
The passages that oil passes through to get to different parts of the engine are called oil ____________
galleries
The A/C condenser is normally positioned ________________
in front of the radiator
A V types engine sets all of the cylinders __________
in two parallel rows, at an angle toward each other
some diesel engines run on natural gas. What is replaced so that this can occur?
injector
The measure of how easily a liquid flows is called its _________
viscosity
The passages that allow coolant to flow through the engine block and the cylinder head are known as ___________
water jackets
The cooling system component that is designed to circulate coolant is the ________________
water pump