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WorksheetsMLR Section D
Total questions: 20
Worksheet time: 20mins
Tech A says electricity is the movement of free atoms from one place to another. Tech B says electricity is the movement of free elements form one place to another. Who is right?
Tech A only
Tech B only
Both Tech A and B
Neither Tech A or B
An atomic force that can attract and repel ferrous substances is known as:
Magnetism
Electricity
Current
Voltage
Tech A says an insulator is a substance that resists the flow of electricity. Tech B says the atoms in an insulator are very stable and resist electron movement. Who is right?
Tech A only
Tech B only
Both Tech A and B
Neither Tech A or B
Electrical pressure that causes current is known as:
Voltage
Amps
Resistance
Magnetism
Tech A says dc circuits are not normally used in automotive circuits. Tech B says certain automotive computer sensors use ac. Who is correct?
Tech A only
Tech B only
Both Tech A and B
Neither Tech A or B
Tech A says a series circuit has only one path for current. Tech B says a series circuit can have only one load. Who is right?
Tech A only
Tech B only
Both Tech A and B
Neither Tech A or B
CAN bus C is a ___________ speed network.
High
Medium
Low
None of the above
Two technicians are discussing relays. Tech A states that a set of normally open (NO) contacts will have continuity when the relay is in the off position (i.e. not energized). Tech B states that a set Of (NC) contacts will have continuity when the relay is in the “off” position (I.e. not energized). Which technician is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
Conventional current flow is from:
DC to AC
Positive and negative
AC to DC
Negative to positive
Tech A says that a good test of an alternator charging system is to remove the battery positive cable off the battery post, and see if the engine dies. Tech B says that the practice of removing a battery cable connection while the engine is running can damage the electronics on the vehicle. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
And ignition coil is an example of:
Device that uses low current flow to control a higher current flow.
An electrical storage device.
A device that controls fuel flow to the engine.
A step-up transformer.
Which of the following is not part of the supplemental restraint system (SRS):
Telematics
Seatbelt pre-tensioners
Airbags
Side Curtians
True or false. Some networks transmit and receive signals over a single wire, but those with dual wires commonly call the two signal wires: “CAN-bus high” and “CAN-bus low” with the same message sent on both lines.
True
False
Tech A says a resistor is it designed to extract energy from the current flow. Tech B says that a DVOM can be used to check for a voltage drop. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
Two technicians are discussing battery load testing. Tech A says that if the battery fails the load test, it is bad and should be replaced. Tech B says if it fails the load test, it should be fully charged and the test repeated. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
The ___________________ monitors battery voltage and varies current flow through the rotor field circuit.
Armature
Voltage regulator
Rotor
Slip rings
Tech A says you must have a power supply for a simple circuit to work. Tech B says a switch will interrupt current flow. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
True or false: increasing the resistance of a variable resistor wired in series with a lightbulb will affect the amperage through the lightbulb.
True
False
Tech A says AC stands for alternating voltage. Tech B says DC is used in electric motors on most hybrid vehicles. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
To conduct a ‘continuity’ test with an ohmmeter, circuit power is:
Disconnected
Connected
Fused
Either connected or disconnected. it doesn’t matter.
