Robotics Pre-test

50 Questions | Total Attempts: 3583

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Robotics Pre-test

This is the Robotics Pre-test. You will need the following formulas to complete the exam:


Questions and Answers
  • 1. 
    Gears may be used to
    • A. 

      Change rotational speed.

    • B. 

      Increase torque.

    • C. 

      Decrease torque.

    • D. 

      Change rotational direction.

    • E. 

      All of the above.

  • 2. 
    The electrical symbol show represents a 
    • A. 

      Resistor

    • B. 

      Capacitor

    • C. 

      Battery

    • D. 

      LED

    • E. 

      Switch

  • 3. 
    A battery would most likely be rated with the following information:
    • A. 

      1.5 VAC

    • B. 

      1.5 VDC

    • C. 

      120 Ω

    • D. 

      0.5 A

  • 4. 
    The electrical symbol show represents a 
    • A. 

      Resistor

    • B. 

      Capacitor

    • C. 

      Battery

    • D. 

      LED

    • E. 

      Switch

  • 5. 
    An LED is
    • A. 

      A Light Excited Device.

    • B. 

      A Light Emitting Diode.

    • C. 

      Dependent on the direction of current flow.

    • D. 

      Answers ‘a’ and ‘c’

    • E. 

      Answers ‘b’ and ‘c’

  • 6. 
    The electrical symbol show represents a  
    • A. 

      Resistor.

    • B. 

      Capacitor.

    • C. 

      Battery.

    • D. 

      LED.

    • E. 

      Switch.

  • 7. 
    The smallest gear in a gearbox is called
    • A. 

      Rack gear

    • B. 

      Wheel gear

    • C. 

      Pinion gear

    • D. 

      Worm gear

    • E. 

      Spur gear

  • 8. 
    The electrical symbol show represents a  
    • A. 

      Resistor.

    • B. 

      Capacitor.

    • C. 

      Battery.

    • D. 

      LED.

    • E. 

      Switch.

  • 9. 
    The largest gear in a gearbox is called
    • A. 

      Rack gear

    • B. 

      Wheel gear

    • C. 

      Pinion gear

    • D. 

      Worm gear

    • E. 

      Spur gear

  • 10. 
    The electrical symbol show represents a   
    • A. 

      Resistor.

    • B. 

      Capacitor.

    • C. 

      Battery.

    • D. 

      LED.

    • E. 

      Switch.

  • 11. 
    The simple circuit shown is an example of a 
    • A. 

      Series-circuit.

    • B. 

      Amplifier circuit.

    • C. 

      Parallel-circuit.

    • D. 

      Logic circuit

    • E. 

      Voltage-current circuit.

  • 12. 
    A gear with radial teeth that meshes with a similar gear having a parallel axis is called
    • A. 

      Rack gear

    • B. 

      Wheel gear

    • C. 

      Pinion gear

    • D. 

      Worm gear

    • E. 

      Spur gear

  • 13. 
    The simple circuit shown is an example of a 
    • A. 

      Series circuit

    • B. 

      Amplifier circuit

    • C. 

      Parallel circuit

    • D. 

      Logic circuit

    • E. 

      Voltage-current circuit

  • 14. 
    A gear with angled teeth transmitting torque between non-parallel and non-intersecting axes is called a
    • A. 

      Rack gear.

    • B. 

      Wheel gear.

    • C. 

      Pinion gear.

    • D. 

      Worm gear.

    • E. 

      Spur gear.

  • 15. 
    If gear one (G1) drives gear two (G2), gear two will have a 
    • A. 

      Faster speed in opposite rotational direction.

    • B. 

      Slower speed in same rotational direction.

    • C. 

      Same speed in opposite rotational direction.

    • D. 

      Slower speed in opposite rotational direction.

    • E. 

      Faster speed in same rotational direction.

  • 16. 
    A student uses a multimeter to measure a battery’s voltage and obtains the value
    • A. 

      3.0 VDC

    • B. 

      120 VAC.

    • C. 

      470 Ω.

    • D. 

      1.5 A.

    • E. 

      300 µf.

  • 17. 
    A student uses a multimeter to measure current and obtains the value
    • A. 

      3.0 VDC

    • B. 

      120 VAC.

    • C. 

      470 Ω.

    • D. 

      1.5 A.

    • E. 

      300 µf.

  • 18. 
    A robot has an average speed of 4.0 in/s.  How long will it take the robot to travel 60 in? 
    • A. 

      64s

    • B. 

      240s

    • C. 

      60s

    • D. 

      15s

    • E. 

      30s

  • 19. 
    If a resistor has color bands yellow-violet-brown-gold (see chart below), its rated value would be.
    • A. 

      4700 Ω ± 5%

    • B. 

      110 Ω ± 5%

    • C. 

      470 Ω ± 5%

    • D. 

      174 Ω ± 5%

    • E. 

      280 Ω ± 5%

  • 20. 
    What is the 4-band color coding for a 120 Ω resistor with a 10% tolerance?
    • A. 

      Black-brown-red-silver

    • B. 

      Brown-red-black-gold

    • C. 

      Brown-black-orange-red

    • D. 

      Brown-red-brown-silver

    • E. 

      Red-black-brown-brown

  • 21. 
    A student uses a multimeter to measure resistance and obtains the value
    • A. 

      3.0 VDC.

    • B. 

      120 VAC.

    • C. 

      470 Ω.

    • D. 

      1.5 A.

    • E. 

      300 µf.

  • 22. 
    Asimov’s short story Runaround is significant because it
    • A. 

      Was the first robot story.

    • B. 

      Introduced the Rules of Robotics.

    • C. 

      Used the term ‘robotics’.

    • D. 

      Answers ‘a’ and ‘c’.

    • E. 

      Answers ‘b’ and ‘c’.

  • 23. 
    The word robot comes from the Czech term robota meaning    
    • A. 

      Mechanical man.

    • B. 

      Forced laborer or serf.

    • C. 

      Mechatronics.

    • D. 

      Man servant.

    • E. 

      Indentured servant.

  • 24. 
    Which characteristics define a robot?  
    • A. 

      Multifunction ability

    • B. 

      Ability to be programmed

    • C. 

      Autonomous operation

    • D. 

      All of the above

    • E. 

      ‘b’ and ‘c’ only

  • 25. 
    The fictional characters Robocop, Data (of Star Trek) and R2D2 (of Star Wars) are
    • A. 

      A cyborg, android and robot, respectively.

    • B. 

      A robot, android and cyborg, respectively.

    • C. 

      An android, robot and cyborg, respectively.

    • D. 

      A robot, cyborg and android, respectively.

    • E. 

      An android, cyborg and robot, respectively.

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