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Could YOU be an installer? *huge mofo post*

Discussion in 'Car Audio' started by Tasmaniak, Aug 10, 2005.

  1. Tasmaniak

    Tasmaniak Not a valid input....

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    Round 2

    Ok, you wanted the First Class installers Examination. I will type it up when I get home from work tomorrow. For now, I need sleep, I have a fleet install again tomorrow and I'm not looking forward to it.....15 Trucks all needing a Phone and Satellite tracking installed. Maybe I should just butcher them? I am on 22 of course. It is acceptable for me to do so! lol
     
  2. Patrio7

    Patrio7 3Y3 K4N 5P33K 1337.

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    well i know a tiny bit about electrical stuff, i dont consider myself compent enough to install a new head unit, but heres my attempt at this thoughoug quiz [based off what i know and what i feel is common sense]


    What are the four different electronic properties you will encounter?
    3, Resistance, voltage, ohms, inductance

    What is voltage?
    4, The relationship between current, resistance and power

    Which of the following cannot be determined by Ohm's Law?
    1, If a certain gauge wire is too small

    Using a multimeter, you can measure current and voltage, but you cannot directly measure resistance in a live circuit.
    1, True

    A Watt represents the conversion of one joule per second into:
    4, All of the above answers are correct

    What is the impact of Kirchoff's Voltage Law if there is a poorly crimped terminal in the installation?
    3, One Volt dropped through a connector will reduce Voltage to the equipment by two Volts (1:2 ratio)

    Which of the following is a characteristic of a resistor?
    5, All of the above are correct

    An Electrolytic capacitor is known for its excellent sound quality and is used for the higher crossover frequencies.
    1, True

    How do you determine the total resistance of a circuit?
    1, Add up all of the resistances

    What does a passive crossover for a basic two-way system consist of?
    1, Two passive filters
    3, One capacitor for the tweeter and one inductor for the woofer
    -i figure its one of the two-

    According to Ohm's Law, if you want to calculate current you would:
    4, Divide the voltage into the resistance

    What is the general rule regarding power and signal leads?
    1, Always run power and signal leads next to each other
    2, Depending on the installation, it is acceptable to cross the battery lead
    3, Run the wiring parallel to the car's factory wiring for ease of routing
    4, Depending on the installation, it is acceptable to cross the battery lead
    5, All of the above answers are correct

    -dont know, i would of figure 1 = crosstalk 2+4 are the same answer and again i figure its crosstalk 3= well a high power amp lead might cause issues with the cars sensores etc 5= i dont think so.
    though i suppose speaker wiring might be able to run next to the stock wires for ease..

    Ground loops are the most frequent cause of noise problems in car audio installations.
    1, True

    When should you use crimp connectors in installations?
    4, Never

    How do you test for alternator whine?
    1, Turn the audio system on, turn the volume all the way down, then rev the engine

    Which of the following is the best diagnostic tool for use on a brand new car with a computer-controlled ignition, computerized climate control system and a trip computer?
    3, DMM (digital multimeter)

    If you want to check the amperage draw of a component or security system brain, and the suspect component is not blowing the supplied fuse, you should set your amperage scale on your VOM to a range above the fuse rating of the component.
    1, True

    Which type of fire extinguisher is best suited for a mobile electronics shop?
    1, Type A
    2, Type B
    3, Type C
    4, Halon
    5, All of the above are acceptable

    -ah. i know know what type is what but i would suspect a powder extinguiser is best, water one would cause issues and CO2 one im not sure of.

    What is the first step involved in troubleshooting for system noise problems?
    2, Identifying the type of noise

    At what frequency is the human ear most sensitive?
    3, 1,000 Hz to 2,000 Hz

    What is sympathetic vibration?
    3, Distortion

    An audio signal is an electrical representation of what?
    2, Octave

    Destructive interference refers to two speakers whose sound waves are working against each other and are out of phase by:
    2, 90 degrees

    A magnetic Reed Switch, also called a magnetic proximity switch:
    1, Uses magnetic force to cause a set of contacts to connect

    The most common device to interrupt a vehicle's starter is a:
    1, Electronic switching capacitor

    An impact sensor the best device to detect breaking glass during a break-in attempt?
    1, True

    A pulse or universal timer can be used to:
    1, Remove unwanted EMI from your security system

    A glass-mount antenna will transmit and receive best:
    3, When mounted between or above the defogger grids

    Extending the length of the RG58 coax cable supplied by the manufacturer can result in as much as 3dB of signal loss.
    1, True

    The small holes on the side of the hands-free microphone are commonly used for...
    2, Noise canceling

    Painting a cellular antenna mast with car paint typically causes up to 1 dB of signal loss.
    1, True

    Which of the following materials will not attenuate the signal from a GPS Antenna:
    4, Factory pigment tinted glass

    The best choice of mounting position for the GPS antenna is:
    4, On the rear deck or dash

    The length of antenna cable on a GPS receiver is:
    4, Uncorrelated

    A true VSS signal will vary in proportion with:
    2, Engine RPM

    When testing a digital VSS with a DMM set to a minimum 30VDC range, the DMM display should:
    1, Fluctuate between 5 to12 volts with tire rotation


    hope i did well, what the "genral rule for power and signal leads" a trick question?
     
  3. craigvk

    craigvk Banned

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    You were the one who mentioned butcher! :wave:
     
  4. Tasmaniak

    Tasmaniak Not a valid input....

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    Your so confident that anyone under 25 does a bad job. Bad Job is refered to as a Butcher Job ;)
     
  5. craigvk

    craigvk Banned

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    I didn't say that.
     
  6. Tasmaniak

    Tasmaniak Not a valid input....

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    Isn't insinuation a wonderful term?
     
  7. just curious, was this an installers course, or auto elec, or what.
    just wouldn't mind finding out more details for my cousin.
    he is going to do his auto elec final year soon, and was wondering if there was a seperate course on installing that would be worth while, or is it just redoing what he has already done?
    eg, do you do things like fiberglassing, machining and metal fab, speaker repair etc.
     
  8. vlv8vic

    vlv8vic <---Brad Quaid = internet stalker

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    gimme someone who is up to date and properly qualified anyday. age means nothing. i know an old mechanic near home, been fixing cars forever, wont touch fuel injection though, to new-fangled for him. i know thats severe but making a point.

    if i can relate if once again to my teaching a class or grade threes, anyone could keep them amused forthe day, i did 4 years uni to be able to do it with some influence and engagement. another loose connection but you get the drift (and the pun no doubt)
     
  9. craigvk

    craigvk Banned

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    Well I'd say any major mechanic business would be up to date with virtually most engine equipment. Most of them wouldn't touch any major electrical problems if they were a mechanic as I have found.

    That old mechanic you are talking about. Is he a hobby mechanic or in the business? If he wasn't in the business, then that's why he doesn't have a clue about fuel injection.
     
  10. Tasmaniak

    Tasmaniak Not a valid input....

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    It's actually my American qualifications 5 years all up to get my Master Class ticket. But, I know that there is a course here in Vic for Automotive Acessoroes Installations. It's like a 3month full time hardcore course with 4 weeks work experience at a Strathfield. You would basically learn very little and I never held anyone who bragged about it in high esteem as they still didn't understand Ohms Law let alone how to splice into a wire without cutting right through. But, I'm sure if you understand all that before going in then there might be something useful for you. But, I sreiously think your cousin is better off getting a few handbooks and reading, his already got the ability, no need to be treated like a moron for 3 months longer thne he has too.
     
  11. Tasmaniak

    Tasmaniak Not a valid input....

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    I can't spell, please shoot me.
     
  12. Burnie

    Burnie New Member

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    I'm with you Julie-respect for each others profession and high level qualifications is vital. Not much experience with stereo installers, but there are some appalling auto elctricians (and some brilliant ones as well)- but I could say the same about tax advisers and doctors -figure out who knows their stuff and support them-better to get the job done right first time thasn stuff around for ages.
     
  13. VS Omega

    VS Omega New Member

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    I see it like this.. the whole test is flawed, you would have done a coarse or read some books prior to being asked those questions, so without any exposure to the material in the coarseware how the hell are you meant to answer the questions?

    I'm sure anyone who's good at learning the coarseware could pass these questions, and therefore be an installer but there are other factors, do they enjoy being an installer? Do they have good people skills (something I imagine would be essential)?

    A bunch of questions which we *shouldn't* know the answers to all of them won't tell us if we could be an installer lol, this is just how I feel!
     
  14. totality

    totality New Member

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    What are the four different electronic properties you will encounter?
    1, Amps, volts, ohms and joules
    2, Power, voltage, direct current, alternating current
    3, Resistance, voltage, ohms, inductance
    4, Voltage, current, resistance, power
    5, None of the above

    What is voltage?
    1, The rate of electron flow through a given point
    2, The electrical pressure that moves charged particles in a circuit
    3, The conductivity that various materials possess
    4, The relationship between current, resistance and power
    5, The conversion of energy into work over a certain period of time

    Which of the following cannot be determined by Ohm's Law?
    1, If a certain gauge wire is too small
    2, If the voltage supplied to an amplifier is too low
    3, If the system requires a more powerful amplifier
    4, If a higher output alternator is needed
    5, All of the above are correct

    Using a multimeter, you can measure current and voltage, but you cannot directly measure resistance in a live circuit.
    1, True
    2, False

    A Watt represents the conversion of one joule per second into:
    1, Light
    2, Heat
    3, Sound
    4, All of the above answers are correct

    What is the impact of Kirchoff's Voltage Law if there is a poorly crimped terminal in the installation?
    1, There is no impact
    2, One Volt dropped through a connector will reduce Voltage to the equipment by One Volt
    3, One Volt dropped through a connector will reduce Voltage to the equipment by two Volts (1:2 ratio)
    4, One Volt dropped through a connector will reduce Voltage to the equipment by three Volts (1:3 ratio)
    5, There is an impact, but it is too low to measure

    Which of the following is a characteristic of a resistor?
    1, Resists the flow of electrons
    2, Can be added to a signal cable to reduce the input signal voltage to an amplifier
    3, Can reduce the amount of power to a speaker
    4, Converts electrical energy to heat
    5, All of the above are correct
    An Electrolytic capacitor is known for its excellent sound quality and is used for the higher crossover frequencies.
    1, True
    2, False

    How do you determine the total resistance of a circuit?
    1, Add up all of the resistances
    2, Multiply all of the resistances
    3, Add the two highest resistances and divide by the lowest resistance
    4, divide the voltage into the current
    5, multiply the voltage by the current

    What does a passive crossover for a basic two-way system consist of?
    1, Two passive filters
    2, One passive filter and one active filter
    3, One capacitor for the tweeter and one inductor for the woofer
    4, One bandpass filter
    5, One passive filter and one relay

    According to Ohm's Law, if you want to calculate current you would:
    1, Take the square root of the resistance times the voltage
    2, Divide the resistance into the voltage
    3, Multiply the resistance and voltage
    4, Divide the voltage into the resistance

    What is the general rule regarding power and signal leads?
    1, Always run power and signal leads next to each other
    2, Depending on the installation, it is acceptable to cross the battery lead
    3, Run the wiring parallel to the car's factory wiring for ease of routing
    4, Depending on the installation, it is acceptable to cross the battery lead
    5, All of the above answers are correct

    Ground loops are the most frequent cause of noise problems in car audio installations.
    1, True
    2, False

    When should you use crimp connectors in installations?
    1, Always
    2, For the power lead
    3, For speaker connections
    4, Never

    How do you test for alternator whine?
    1, Turn the audio system on, turn the volume all the way down, then rev the engine
    2, Turn the audio system off, the rev the engine
    3, Use a noise sniffer
    4, Use a digital multimeter
    5, All of the above techniques can be used to test for alternator whine

    Which of the following is the best diagnostic tool for use on a brand new car with a computer-controlled ignition, computerized climate control system and a trip computer?
    1, VOM (volt-ohm meter)
    2, Test light
    3, DMM (digital multimeter)
    4, Hydrometer

    If you want to check the amperage draw of a component or security system brain, and the suspect component is not blowing the supplied fuse, you should set your amperage scale on your VOM to a range above the fuse rating of the component.
    1, True
    2, False

    Which type of fire extinguisher is best suited for a mobile electronics shop?
    1, Type A
    2, Type B
    3, Type C
    4, Halon
    5, All of the above are acceptable

    What is the first step involved in troubleshooting for system noise problems?
    1, Eliminating the source of the problem
    2, Identifying the type of noise
    3, Determining the various makes and models of products in the system
    4, Finding out when the problem was first noticed

    At what frequency is the human ear most sensitive?
    1, 25 Hz to 35 Hz
    2, 100 Hz to 250 Hz
    3, 1,000 Hz to 2,000 Hz
    4, 15,000 Hz to 20,000 Hz

    What is sympathetic vibration?
    1, Noise made by processors
    2, The natural resonance of an object
    3, Distortion
    4, Ignition noise

    An audio signal is an electrical representation of what?
    1, Sound wave
    2, Octave
    3, Potentiometer
    4, Inductance

    Destructive interference refers to two speakers whose sound waves are working against each other and are out of phase by:
    1, 45 degrees
    2, 90 degrees
    3, 180 degrees
    4, 270 degrees
    5, 360 degrees

    A magnetic Reed Switch, also called a magnetic proximity switch:
    1, Uses magnetic force to cause a set of contacts to connect
    2, Uses Kinetic energy to open and close a set of contacts
    3, Has input for multiple switch triggers
    4, Can replace the use of a relay

    The most common device to interrupt a vehicle's starter is a:
    1, Electronic switching capacitor
    2, Heavy duty diode
    3, Electromagnetic switch
    4, Pulse timer

    An impact sensor the best device to detect breaking glass during a break-in attempt?
    1, True
    2, False

    A pulse or unversal timer can be used to:
    1, Remove unwanted EMI from your security system
    2, Add a pulsed output for alternating flashing parking lights
    3, Convert a momentary duration pause into a longer or shorter duration signal 4, Reverse the pulse from negative to positive for door triggers

    A glass-mount antenna will transmit and receive best:
    1, When mounted over two defogger grids
    2, When it is mounted over an FM antenna grid
    3, When mounted between or above the defogger grids
    4, When placed at a 45 degree angle to the ground plane

    Extending the length of the RG58 coax cable supplied by the manufacturer can result in as much as 3dB of signal loss.
    1, True
    2, False

    The small holes on the side of the hands-free microphone are commonly used for...
    1, Decoration
    2, Noise canceling
    3, The mounting clip
    4, Water drainage

    Painting a cellular antenna mast with car paint typically causes up to 1 dB of signal loss.
    1, True
    2, False

    Which of the following materials will not attenuate the signal from a GPS Antenna:
    1, Metallic window tint
    2, Line defrosters 3, Electrically heated windshields
    4, Factory pigment tinted glass

    The best choice of mounting position for the GPS antenna is:
    1, Under the trunk lid
    2, Under the hood
    3, Under the headliner
    4, On the rear deck or dash
    5, On the center console

    The length of antenna cable on a GPS receiver is:
    1, Unmatched
    2, Preset
    3, Random
    4, Uncorrelated

    A true VSS signal will vary in proportion with:
    1, Engine temperature
    2, Engine RPM
    3, Ignition voltage
    4, Battery voltage
    5, Vehicle speed

    When testing a digital VSS with a DMM set to a minimum 30VDC range, the DMM display should:
    1, Fluctuate between 5 to12 volts with tire rotation
    2, Starts at 12 volts and rises as tire rotation increases
    3, Change between 0 and 5 to12 with the engine running
    4, Increase from 0 volts as the engine RPM increases
     
  15. StoneX

    StoneX New Member

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    I never saw this thread before! I answered before reading the replies, but i'm pretty stupid anyway :p I'm far from an installer!

    What are the four different electronic properties you will encounter?
    1, Amps, volts, ohms and joules
    2, Power, voltage, direct current, alternating current
    3, Resistance, voltage, ohms, inductance
    4, Voltage, current, resistance, power
    5, None of the above

    What is voltage?
    1, The rate of electron flow through a given point
    2, The electrical pressure that moves charged particles in a circuit
    3, The conductivity that various materials possess
    4, The relationship between current, resistance and power
    5, The conversion of energy into work over a certain period of time

    Which of the following cannot be determined by Ohm's Law?
    1, If a certain gauge wire is too small
    2, If the voltage supplied to an amplifier is too low
    3, If the system requires a more powerful amplifier
    4, If a higher output alternator is needed
    5, All of the above are correct

    Using a multimeter, you can measure current and voltage, but you cannot directly measure resistance in a live circuit.
    1, True
    2, False

    A Watt represents the conversion of one joule per second into:
    1, Light
    2, Heat
    3, Sound
    4, All of the above answers are correct

    What is the impact of Kirchoff's Voltage Law if there is a poorly crimped terminal in the installation?
    1, There is no impact
    2, One Volt dropped through a connector will reduce Voltage to the equipment by One Volt
    3, One Volt dropped through a connector will reduce Voltage to the equipment by two Volts (1:2 ratio)
    4, One Volt dropped through a connector will reduce Voltage to the equipment by three Volts (1:3 ratio)
    5, There is an impact, but it is too low to measure

    Which of the following is a characteristic of a resistor?
    1, Resists the flow of electrons
    2, Can be added to a signal cable to reduce the input signal voltage to an amplifier
    3, Can reduce the amount of power to a speaker
    4, Converts electrical energy to heat
    5, All of the above are correct

    An Electrolytic capacitor is known for its excellent sound quality and is used for the higher crossover frequencies.
    1, True
    2, False

    How do you determine the total resistance of a circuit?
    1, Add up all of the resistances Shouldn't there be a divide current into voltage?????? V / I = R
    2, Multiply all of the resistances
    3, Add the two highest resistances and divide by the lowest resistance
    4, divide the voltage into the current
    5, multiply the voltage by the current

    What does a passive crossover for a basic two-way system consist of?
    1, Two passive filters
    2, One passive filter and one active filter
    3, One capacitor for the tweeter and one inductor for the woofer
    4, One bandpass filter
    5, One passive filter and one relay

    According to Ohm's Law, if you want to calculate current you would:
    1, Take the square root of the resistance times the voltage
    2, Divide the resistance into the voltage
    3, Multiply the resistance and voltage
    4, Divide the voltage into the resistance

    What is the general rule regarding power and signal leads?
    1, Always run power and signal leads next to each other
    2, Depending on the installation, it is acceptable to cross the battery lead
    3, Run the wiring parallel to the car's factory wiring for ease of routing
    4, Depending on the installation, it is acceptable to cross the battery lead
    5, All of the above answers are correct

    Ground loops are the most frequent cause of noise problems in car audio installations.
    1, True
    2, False

    When should you use crimp connectors in installations?
    1, Always
    2, For the power lead
    3, For speaker connections
    4, Never

    How do you test for alternator whine?
    1, Turn the audio system on, turn the volume all the way down, then rev the engine
    2, Turn the audio system off, the rev the engine
    3, Use a noise sniffer
    4, Use a digital multimeter
    5, All of the above techniques can be used to test for alternator whine

    Which of the following is the best diagnostic tool for use on a brand new car with a computer-controlled ignition, computerized climate control system and a trip computer?
    1, VOM (volt-ohm meter)
    2, Test light
    3, DMM (digital multimeter)
    4, Hydrometer

    If you want to check the amperage draw of a component or security system brain, and the suspect component is not blowing the supplied fuse, you should set your amperage scale on your VOM to a range above the fuse rating of the component.
    1, True
    2, False

    Which type of fire extinguisher is best suited for a mobile electronics shop?
    1, Type A
    2, Type B - No idea, guessed.
    3, Type C
    4, Halon
    5, All of the above are acceptable

    What is the first step involved in troubleshooting for system noise problems?
    1, Eliminating the source of the problem
    2, Identifying the type of noise
    3, Determining the various makes and models of products in the system
    4, Finding out when the problem was first noticed

    At what frequency is the human ear most sensitive?
    1, 25 Hz to 35 Hz
    2, 100 Hz to 250 Hz
    3, 1,000 Hz to 2,000 Hz
    4, 15,000 Hz to 20,000 Hz

    What is sympathetic vibration?
    1, Noise made by processors
    2, The natural resonance of an object
    3, Distortion
    4, Ignition noise

    An audio signal is an electrical representation of what?
    1, Sound wave
    2, Octave
    3, Potentiometer
    4, Inductance

    Destructive interference refers to two speakers whose sound waves are working against each other and are out of phase by:
    1, 45 degrees
    2, 90 degrees
    3, 180 degrees
    4, 270 degrees
    5, 360 degrees

    A magnetic Reed Switch, also called a magnetic proximity switch:
    1, Uses magnetic force to cause a set of contacts to connect
    2, Uses Kinetic energy to open and close a set of contacts
    3, Has input for multiple switch triggers
    4, Can replace the use of a relay

    The most common device to interrupt a vehicle's starter is a:
    1, Electronic switching capacitor
    2, Heavy duty diode
    3, Electromagnetic switch
    4, Pulse timer

    An impact sensor the best device to detect breaking glass during a break-in attempt?
    1, True
    2, False

    A pulse or unversal timer can be used to:
    1, Remove unwanted EMI from your security system
    2, Add a pulsed output for alternating flashing parking lights
    3, Convert a momentary duration pause into a longer or shorter duration signal
    4, Reverse the pulse from negative to positive for door triggers

    A glass-mount antenna will transmit and receive best:
    1, When mounted over two defogger grids
    2, When it is mounted over an FM antenna grid
    3, When mounted between or above the defogger grids
    4, When placed at a 45 degree angle to the ground plane

    Extending the length of the RG58 coax cable supplied by the manufacturer can result in as much as 3dB of signal loss.
    1, True
    2, False

    The small holes on the side of the hands-free microphone are commonly used for...
    1, Decoration
    2, Noise canceling
    3, The mounting clip
    4, Water drainage

    Painting a cellular antenna mast with car paint typically causes up to 1 dB of signal loss.
    1, True
    2, False

    Which of the following materials will not attenuate the signal from a GPS Antenna:
    1, Metallic window tint
    2, Line defrosters
    3, Electrically heated windshields
    4, Factory pigment tinted glass

    The best choice of mounting position for the GPS antenna is:
    1, Under the trunk lid
    2, Under the hood
    3, Under the headliner
    4, On the rear deck or dash
    5, On the center console

    The length of antenna cable on a GPS receiver is:
    1, Unmatched
    2, Preset
    3, Random
    4, Uncorrelated

    A true VSS signal will vary in proportion with:
    1, Engine temperature
    2, Engine RPM
    3, Ignition voltage
    4, Battery voltage
    5, Vehicle speed

    When testing a digital VSS with a DMM set to a minimum 30VDC range, the DMM display should:
    1, Fluctuate between 5 to12 volts with tire rotation
    2, Starts at 12 volts and rises as tire rotation increases
    3, Change between 0 and 5 to12 with the engine running
    4, Increase from 0 volts as the engine RPM increases
     
  16. Brycestro

    Brycestro New Member

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    hey 12volt, if you're still doing these things i'll fill one out with some answers. let me know.
     
  17. VQXTC

    VQXTC Member

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    Thought I would give this a go and see how much I know......
     
    Last edited: Sep 22, 2006
  18. mouce

    mouce Physics Geek

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    Just interested in how I go...figured there's no need for the entire thing, just the numbers:

    3
    2
    5
    1
    2
    4
    5
    2
    4
    3
    4
    2
    2
    4
    1
    3
    2
    3
    2
    3
    2
    1
    3
    1
    3
    2
    3
    3
    1
    2
    1
    4
    4
    2
    5
    3

    So has anyone made it to 85% yet?
     
  19. NickVR

    NickVR Active Member

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    Here you go. I tried. I don't think i'll do to well.
    1) 1
    2) 1
    3) 1
    4) 2
    5) 1
    6) 2
    7) 1
    8) 1
    9) 3
    10) 2
    11) 2
    12) 3
    13) 1
    14) 1
    15) 4
    16) 1
    17) 1
    18) 3
    19) 2
    20) 2
    21) 2
    22) 2
    23) 3
    24) 3
    25) 2
    26) 2
    27) 3
    28) 4
    29) 2
    30) 2
    31) 1
    32) 3
    33) 4
    34) 2
    35) 5
    36) 1
     
  20. semi

    semi GOD

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    4
    2
    5
    1 true
    4
    2
    5
    1 true
    4, divide the voltage into the current - assuming you mean R=v/i
    3
    2 or 4, im not sure how its worded, but I=V/R
    wtf, 2 of the answers in this one are the same
    1 true
    4
    1
    3
    2 false
    3
    2
    2
    2
    1
    3
    1
    3
    2 false
    3
    4
    1 true
    2
    1 true
    4
    4
    2
    5
    2
     

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