NOCTI Sample Questions Flashcards
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Questions and Answers

What fire extinguisher should be used on an electrical fire?

  • Class B
  • Class A
  • Class C (correct)
  • Class D
  • When should a person with a serious electrical injury be moved?

    Immediate danger only

    Use this to prevent static electricity damage?

    A grounded mat

    What information is on a Material Safety Data Sheet (MSDS)?

    <p>First aid procedures, proper handling/storage, &amp; product reactivity</p> Signup and view all the answers

    What government organization sets and enforces worksite safety & health standards?

    <p>OSHA</p> Signup and view all the answers

    This symbol indicates what?

    <p>Resistor</p> Signup and view all the answers

    Which resistor will dissipate the least power when 2 resistors are in parallel?

    <p>Larger value resistor</p> Signup and view all the answers

    This diagram represents what type of transformer?

    <p>Isolation</p> Signup and view all the answers

    How much current is going through 15.5 volts with a 5 Ohms resistance?

    <p>3.1 Amps</p> Signup and view all the answers

    Name the type of gate.

    <p>OR Gate</p> Signup and view all the answers

    Reduce (A+B)(A+C) to the simplest Boolean form.

    <p>A + BC</p> Signup and view all the answers

    What is the binary equivalent of the hexadecimal number 4A?

    <p>1001010</p> Signup and view all the answers

    Name this symbol.

    <p>DIAC</p> Signup and view all the answers

    Every digital multimeter can measure 3 basic things: current, voltage, and ___________.

    <p>Resistance</p> Signup and view all the answers

    Measure a current with this instrument.

    <p>Ammeter</p> Signup and view all the answers

    A function generator produces 3 basic wave shapes: sine, square, and ___________.

    <p>Triangle</p> Signup and view all the answers

    The frequency range of an audio signal generator.

    <p>20 to 20,000 Hz</p> Signup and view all the answers

    The power of an electronic device that runs on a 36-volt supply and takes 11 amps.

    <p>396 watts</p> Signup and view all the answers

    The total power of a circuit.

    <p>Sum of the power dissipated by the resistors</p> Signup and view all the answers

    The RMS is ______ if the peak value of a given AC waveform is 2 volts.

    <p>1.414 volts</p> Signup and view all the answers

    A ______ transformer has more secondary turns than primary turns.

    <p>Step-up</p> Signup and view all the answers

    If resistance remains the same and voltage is doubled in an AC circuit, then the current is _________.

    <p>Doubled</p> Signup and view all the answers

    The period of a given AC waveform is the time for one of these.

    <p>Full cycle</p> Signup and view all the answers

    All of the connections that are shown on a schematic must be made in the copper on the printed circuit board.

    <p>Routing process</p> Signup and view all the answers

    Prior to tinning the tip with silver, the tip should be ______.

    <p>Wiped clean</p> Signup and view all the answers

    The person who is responsible for product manufacturing reliability and the assurance of accuracy.

    <p>Quality Control Engineer</p> Signup and view all the answers

    This degree is required to begin a career in biomedical engineering.

    <p>BS in Engineering Technology</p> Signup and view all the answers

    Study Notes

    Fire Safety and Procedures

    • Class C fire extinguishers are specifically designed for electrical fires.
    • A person with a serious electrical injury should only be moved if there is immediate danger present.

    Electrical Safety and Equipment

    • A grounded mat is used to prevent static electricity damage.
    • Material Safety Data Sheets (MSDS) include information on first aid procedures, proper handling/storage, and product reactivity.
    • OSHA is the government organization responsible for setting and enforcing worksite safety and health standards.

    Circuit Components and Electrical Concepts

    • A resistor symbol indicates the presence of resistance in a circuit.
    • In a parallel configuration, a larger value resistor will dissipate less power compared to a smaller value one.
    • Isolation transformers prevent interference and improve safety in electrical systems.

    Electrical Measurements and Calculations

    • The current through 15.5 volts with a 5 Ohm resistance is 3.1 Amps (calculated using Ohm's Law).
    • An OR gate is a basic logic circuit that outputs true if at least one input is true.
    • The simplest Boolean form of (A+B)(A+C) is A + BC.

    Binary and Hexadecimal Conversions

    • The binary equivalent of the hexadecimal number 4A is 1001010.

    Components and Functions

    • A DIAC is a semiconductor device that conducts current after a certain breakdown voltage.
    • Digital multimeters measure three primary electrical properties: current, voltage, and resistance.

    Waveform Characteristics

    • Function generators typically produce three basic waveforms: sine, square, and triangle.
    • The frequency range of an audio signal generator typically spans from 20 Hz to 20,000 Hz.

    Power and Electricity

    • An electronic device running on a 36-volt supply with an 11 Amp draw consumes 396 watts of power.
    • The total power of a circuit is the sum of the power dissipated by all resistors within it.
    • The RMS voltage of a given AC waveform with a peak value of 2 volts is approximately 1.414 volts.

    Transformer Functions

    • A step-up transformer has more turns in the secondary winding compared to the primary winding.
    • Doubling the voltage in an AC circuit, while keeping resistance the same, results in the current being doubled as well.

    AC Waveform and Schematic Connections

    • The period of a given AC waveform is the time taken for one full cycle.
    • All connections shown on a schematic must be accurately made during the routing process on the printed circuit board.

    Manufacturing and Careers

    • A clean tip is necessary before tinning with silver when soldering.
    • A Quality Control Engineer ensures product reliability and accuracy in manufacturing processes.
    • A Bachelor of Science degree in Engineering Technology is often required to start a career in biomedical engineering.

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    Description

    Test your knowledge with these NOCTI sample questions on fire safety and emergency procedures. Each flashcard covers essential topics such as electrical fires, first aid procedures, and static electricity prevention. Ideal for students preparing for safety certifications or exams.

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