Level 3 Automotive Advanced Electrics

What is the function of a capacitor?

• allows flow of flux

• Can be charged polarity

• To store an Electric charge

• to zennerise current

What is a characteristic of a diode?

• They are lonely

• It allows current flow in one direction.

• they are all 6 amps

• they are all 10mm long

How does a multimeter measure voltage drop?

• By having a greater resistance than the circuit tested

• by volt drop

• By having a lessor resistance than the circuit tested

• By electrickery

What is an advantage of using Multiplexing

• It is beter

• Ease of fitting accessories

• cheaper

• It is bio degradable

What is the function of a hard drive?

• To think

• To store long term digital data

• To provide logic power

• To switch circuits

How are dedicated fault code readers connected to the vehicle?

• Through the connector in boot

• Through the EOBD serial port

• By wireless connection to Nasa

• Through satellite technology

When carrying out the test shown the DMM is set to 12 volts and the component is operating .Which one of the following test is being carried out?

• Power used

• Voltage drop across the relay

• Resistance of circuit

• Amperage supplied

When using an ohmmeter to check resistance in a circuit ,the circuit must be first

• energised

• negatively switched

• disconnected

• DC

When disconnecting an airbag it is important to wait several minutes to allow

• impact sensor to switch off

• de accelerator sensor to switch off

• airbag to deflate

• To alow capacitors to discharge

Which of the following can be used to check a diode?

• A continuity tester

• Power probe

• Ahmeter

• A copacitor