Quiz  /  Electrical Control Systems Class 11 MCQ Questions With Answers

  • 1. 
    A system that relies on feedback in order to operate is known as what?

  • A closed-loop system
  • A constant-loop system
  • An open-ended system
  • An open-loop system

  • 2. 
    Stored energy is otherwise known as _________ energy.

  • activation energy
  • kinetic energy
  • potential energy
  • thermodynamic energy

  • 3. 
    What is the prime mover in electrical systems

  • charge
  • frequency
  • voltage
  • resistance

  • 4. 
    Which two of the following could be considered as outputs of a toaster?

  • Heat energy
  • Toast
  • Electricity
  • Both A & B

  • 5. 
    Direct current flows through a circuit from the negative electrode called the to the positive electrode called the .

  • anode, cathode
  • cathode, iode
  • diode, anode
  • cathode, anode

  • 6. 
    What is the rate of change of alternating current called?

  • charge
  • voltage
  • frequency
  • resistance

  • 7. 
    In which THREE ways might efficiency be lost in a system?

  • Heat
  • Friction
  • Sound
  • All of above

  • 8. 
    The creation of light pollution as a direct result of an engineering project is an example of what?

  • A positive environmental impact
  • A negative economic impact
  • A negative environmental impact
  • A positive economic impact

  • 9. 
    What is electricity that moves continuously in one direction through a conductor called?

  • VOM
  • AC
  • DC
  • IMA

  • 10. 
    This rate of change of alternating current can be measured in cycles per second or this?

  • voltage
  • hertz
  • frequency
  • amperes

  • 11. 
    As an output, a petrol powered car engine will create which of the following?

  • Sound
  • Heat
  • Exhaust emissions
  • All of above

  • 12. 
    Within systems, every system will have an output. True or false?

  • True
  • False

  • 13. 
    List four parts of a general electrical circuit:

  • source, load, battery, light bulb
  • source, load, switch, insulator
  • load, control element, conductor, source
  • switch, load, connector, source

  • 14. 
    The most common source of DC voltage is a .

  • cell phone
  • flashlight
  • battery
  • alternator

  • 15. 
    The '+' symbol in an error detector represents what?

  • Set value
  • Actual value
  • Positive terminal
  • All of above

  • 16. 
    A Universal System Diagram will always require which THREE pieces of information?

  • An output
  • A process
  • An input
  • All of above

  • 17. 
    Within a sub-system diagram, a system boundary is represented by what?

  • A solid line
  • An arrow
  • A dashed line
  • An arrow in and an arrow out

  • 18. 
    How are VS, V1 and V2 related to each other?

  • VS = V1 = V2
  • VS = V1 + V2
  • VS = (V1 + V2)/2
  • VS = 2(V1 + V2)

  • 19. 
    What kind of circuit is shown?

  • AC
  • parallel
  • RC
  • series

  • 20. 
    A voltage is created whenever positive and negative charges are .

  • combined
  • separated
  • fused
  • neutralized

  • 21. 
    What is electricity that moves back and forth in a conductor called?

  • VOM
  • AC
  • IMA
  • DC

  • 22. 
    Complete the sentence: A transducer is...

  • … a device that converts electrical energy into potential energy.
  • … a form of kinetic energy.
  • … a device that converts a physical quantity, such as pressure or brightness, into an electrical signal, or vice versa.
  • All of above
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