2W151: Fundamentals of Electricity and Circuits - Quiz 11

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Quiz 11
Joseph Whilden J
Quiz by Joseph Whilden J, updated more than 1 year ago
Joseph Whilden J
Created by Joseph Whilden J over 9 years ago
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Resource summary

Question 1

Question
What are the two basic components of a switch?
Answer
  • Contacts and levers
  • Contacts and throws
  • Actuators and levers
  • Contacts and actuators

Question 2

Question
What is the moveable part of the switch that is manipulated to complete or open the electrical circuit or circuits to allow or inhibit the flow of electrons?
Answer
  • Actuator
  • Contact
  • Throw
  • Lever

Question 3

Question
What term refers to one of two or more positions that the switch can adopt?
Answer
  • Pole
  • Throw
  • Position
  • Direction

Question 4

Question
Fuses in electrical systems are rated according to the
Answer
  • Power they dissipate for the circuit
  • Resistance they produce in the circuit
  • Voltage load they can carry without blowing
  • Ampere load they can carry without blowing

Question 5

Question
What is included on push-pull type circuit-breakers to indicate an OPEN condition?
Answer
  • Orange trip flag
  • Colored indicator collar
  • Red "o" on a white background in the inspection window
  • Red indication on the face of the circuit-breaker indication window

Question 6

Question
An electrical device used to mechanically switch electrical circuits is a
Answer
  • Relay
  • Diode
  • Resistor
  • Capacitor

Question 7

Question
Circuit designers call a circuit switched by a relay the
Answer
  • Primary circuit
  • Actuating circuit
  • Secondary circuit
  • Controlled circuit

Question 8

Question
Relays are made to operate on a
Answer
  • Small amount of current
  • Large amount of current
  • Small amount of voltage
  • Large amount of resistance

Question 9

Question
What restores a reed relay to its de-energized state?
Answer
  • Separate spring
  • Restoring force
  • Spring force in the reed pulls contacts apart
  • Spring force in the reed pulls contacts together

Question 10

Question
What is the moveable part of a solenoid called?
Answer
  • Armature
  • Actuator
  • Plunger
  • Slide

Question 11

Question
what restores a solenoid to its de-energized state?
Answer
  • Spring
  • Counter weight
  • Re-loading mechanism
  • Pressurized gas cartridge

Question 12

Question
What three components are found in all circuits?
Answer
  • Power source, load, and resistors
  • Power source, load, and conductors
  • Power source, wires, and conductors
  • Power source, resistors, and conductors

Question 13

Question
Which type of wiring diagram is appropriate for large or complicated circuits?
Answer
  • layouts
  • Pictorials
  • Schematics
  • Pictograms

Question 14

Question
In instances where the schematic symbol represents a multi-cell battery, it can mean either multiple cells in a single case or
Answer
  • A single powerful battery
  • A generator providing DC power
  • A generator providing AC power
  • An array of single cell batteries arranged to function like a multi-cell battery

Question 15

Question
Light emitting diodes are primarily used in weapon system applications as
Answer
  • Current restrictors
  • Heating elements
  • Status indicators
  • Light sources

Question 16

Question
In a rotary switch, there is a single contact usually located in the center that is surrounded by a series of contacts arranged around the outside.
Answer
  • True
  • False

Question 17

Question
What are the two types of fuses?
Answer
  • Slow-blown
  • Copper-composite
  • Oxygen filled
  • Regular

Question 18

Question
Circuit breakers are used more extensively today than fuses, since they can easily reset an indefinite number of times, which eliminates the need for replacement as in the case of fuses.
Answer
  • True
  • False

Question 19

Question
The circuit energizing the relay is called the actuating or primary circuit.
Answer
  • True
  • False
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