Automotive Final part 3
Two technicians are discussing AYES. Technician A says that AYES is directed toward high school students. Technician B says that anyone can enter AYES. Who is correct?
a only
Two technicians are discussing EFI systems. Technician A says that most modern EFI systems have one injector per cylinder. Technician B says that direct injection uses one central injector for the engine. Who is correct?
a only
Two technicians are discussing atmospheric pressure. Technician A says that atmospheric pressure can achieve work. Technician B says that the earth has sufficient natural vacuum to perform automotive work. Who is correct?
a only
Two technicians are discussing bolts. Technician A says that the shank of a bolt is the area between the head and the threads. Technician B says that replacement bolts can be any grade as long as the thread pitch and size is correct. Who is correct?
a only
Two technicians are discussing engine lubricants. Technician A says that many oil filters have check valves to prevent oil drain back during engine shutdown. Technician B says that any oil weight is acceptable for an engine. Who is correct?
a only
Two technicians are discussing power adders. Technician A says that superchargers are belt driven. Technician B says that turbochargers are belt driven. Who is correct?
a only
Two technicians are discussing electrical circuits. Technician A says that a series circuit has more than one path for voltage to flow. Technician B says that a parallel circuit has more than one path for voltage to flow. Who is correct?
b only
Two technicians are discussing parking brakes. Technician A says that a parking brake can be used to stop a vehicle rather than using the brake pedal. Technician B says that the parking brake is only meant to hold a vehicle stationary after the vehicle is stopped by the main braking system. Who is correct?
b only
Two technicians are discussing pliers. Technician A says that pliers are typically used to loosen nuts and bolts. Technician B says that pliers act as an extension of a technician's fingers. Who is correct?
b only
Two technicians are discussing technician certification. Technician A says that training is usually only about technical matters. Technician B says that technicians also need legal and ethical training to correctly perform their job. Who is correct?
b only
Two technicians are discussing vehicle warranties. Technician A says that most vehicle manufacturer warranties have at least some portion of coverage that is bumper-to-bumper. Technician B says that most repair shops warrant their repairs and parts for a certain time or mileage. Who is correct
both a & b
A short-to-ground is an unintended connection between positive conductors of two different circuits.
false
A torque-to-yield bolt can be reused
false
An EMT is designed to run long term even with a puncture.
false
Crumple zones are designed to transfer impact energy to the passenger compartment
false
Four-cylinder, in-line, gasoline engines are used less frequently in modern cars because of the block's weight and size
false
Larger automotive shops typically have only one level of management
false
Rubber mallets are used for driving pilot pins.
false
Thermodynamics is the study of using refrigeration to perform mechanical work
false
Voltage and electromotive force are different measurements of electricity
false
You are only responsible for your own safety in a shop setting
false
You should still measure severely damaged journals before replacing the part
false
Two technicians are discussing labor time guides. Technician A says that labor time guides are based on the times of technicians with no experience doing the job. Technician B says that there is no way to complete a job faster than what the time guide states. Who is correct?
neither a or b
Two technicians are discussing leaf springs. Technician A says that leaf springs offer a more comfortable ride than standard coil springs. Technician B says that monoleaf springs are typically found on standard passenger cars. Who is correct?
neither a or b
Hybrid-electric vehicles typically use _____ batteries
nickel cadmium
which statement is true of energy
potential energy is based on the mass and position of a stationary object
What statement is true concerning service information?
some service information may be VIN specific
A relay is a switch which uses low current to control high current.
true
Employees are responsible for ensuring the company makes a profit on its investment
true
Megadealerships are corporate-owned stores that have many manufacturer lines and many locations.
true
Newton's Third Law of Motion says that for every action, there is an equal and opposite reaction
true
TSB repairs can be completed under a warranty, but usually the customer must pay
true
The PCM performs all necessary calculations based on input from the engine, transmission, and other sensor input
true
The powertrain control module (PCM) is the largest single computer in a vehicle
true
The way you dress and act in the shop reflects on your professionalism
true
constant variable ratio (CVR) transmission have no internal gears
true
What is a characteristic of a rotary engine?
Has the same problem with harmful emissions as piston engines
Two technicians are discussing hybrid-powered vehicles. Technician A says that hybrid vehicles use the internal combustion motor to drive the generator that recharges the battery pack. Technician B says that the electric motors can be run through a power splitter or attached directly to the drive wheels. Who is correct?
. Both A and B
What is true about measuring shaft diameter and wear?
Noise does not accurately determine wear.
Which statement is true of tire balancing?
Static balancing is performed by adding a weight equal to the heavy spot on the opposite rim of the wheel
What statement is true concerning engine vacuum?
The vacuum gauge must be connected to a fitting in the intake manifold.
Which statement is true of torsion bars?
Torsion bars are manufactured to twist and return to their original condition.
What is true of manufacturer and vendor training?
Training conducted by local parts vendors is open to all technicians.
Two technicians are discussing automotive power systems. Technician A says that today's engines operate on different principles than those of the past. Technician B says that today's engine has more computerized sensors and actuators than did an entire vehicle had in the mid-1980's. Who is correct?
b only
Two technicians are discussing bearing inserts. Technician A says that bearing inserts are used in wheel bearings. Technician B says bearing inserts prolong bearing life. Who is correct?
b only
Two technicians are discussing bore measurements. Technician A says that bores can be measured at the top with an outside micrometer. Technician B says that bores must be measured from the inside with a telescoping gauge. Who is correct?
b only
Two technicians are discussing measuring bores with inside micrometers. Technician A says that extension spindles allow the measurement of cylinder bores. Technician B says that once the micrometer is inserted into the bore and extended, it should be tightened and removed. Who is correct?
both a and b
Two technicians are discussing shop operations. Technician A says that the accountant for the dealership may also be the cashier. Technician B says that service writers must understand enough about vehicle operations to understand the customer's concern. Who is correct?
both a and b
Container labels must contain _____.
exactly the same items found on the MSDS
A dealership is always owned by the manufacturer.
false