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Lectrical Engineering Theory 292 Fall Final Review Questions And Answers With Verified Solutions 100% Correct Latest Updated 2024 $13.99   Add to cart
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Lectrical Engineering Theory 292 Fall Final Review Questions And Answers With Verified Solutions 100% Correct Latest Updated 2024
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Lectrical Engineering Theory 292 Fall Final Review Questions And Answers With Verified Solutions 100% Correct Latest Updated 2024

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  • October 18, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • lectrical engineering theory 292 fall final review
  • list the four factors that affect the severity of
  • list the two approach boundaries
  • what range of current causes a sensation of shock

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Lectrical Engineering Theory 292 Fall
Final Review Questions And Answers
With Verified Solutions 100% Correct
Latest Updated 2024
List the four factors that affect the severity of injury from electrical shock. -
ANSWER✔✔Duration, Amount, and Path of Current, and Condition of body


What is your first action if a co-worker is getting shocked or burned by electricity?
- ANSWER✔✔Switch off power


List the two approach boundaries. - ANSWER✔✔Restricted 1 foot and Limited 3
feet 6 inches


What device is used to prevent wiring or tool damage from excess current flow
through a component? - ANSWER✔✔Fuse or Circuit Breaker


What device is used to protect people from electrical shock? -
ANSWER✔✔Ground Fault Circuit Interrupt (GFCI)


What range of current causes a sensation of shock? - ANSWER✔✔1-8 mA


What range of current causes Painful shock? - ANSWER✔✔10-15 mA


What range of current causes loss of muscle control? - ANSWER✔✔20-30 mA


What range of current causes Possible Death? - ANSWER✔✔50-150 mA

,In electrical systems, why is the neutral conductor and earth ground connected at
the source? - ANSWER✔✔Neutral is at the same potential as ground.


The direction in which current flows through a conductor determines the
__________ of the magnetic field around it. - ANSWER✔✔Polarity


Permanent magnets may be demagnetized by a _______ _____ or by
___________. - ANSWER✔✔Sharp blow or by Heat


In an inductive circuit the current lags the __________. - ANSWER✔✔Voltage


The "Left-Hand" rule states that if the fingers of the left hand are wrapped in the
direction of the current flow in a coil, the left thumb points to the magnetic
__________ pole of the coil. - ANSWER✔✔North


No more than _____ load(s) should be placed in any circuit line between the power
lines L1 and L2. - ANSWER✔✔One


________ diagrams are one of the oldest and most common methods of illustrating
and understanding basic logic functions. - ANSWER✔✔Line


Two loads must not be connected in ____________ in one line of a line diagram. -
ANSWER✔✔series


If two stop switches are used in a logic circuit, they are connected in __________
to each other. - ANSWER✔✔series

, The load is _______ all the time if no control device is included in a line. -
ANSWER✔✔Hot


Depending on design, relays normally do not control power-consuming devices
directly, except for smaller loads which draw less than ______ A. -
ANSWER✔✔15


The two major types of relays are the _______ relay and the solid-state relay. -
ANSWER✔✔Electromechanical


________ relays are designed for commercial and industrial applications where
economy and fast replacement are high priorities. - ANSWER✔✔General-purpose


A _______ is the number of completely isolated circuits that a relay can switch -
ANSWER✔✔Pole


A _____ relay is a fast-operating, single-pole, single-throw switch with NO
contacts hermetically sealed in a glass envelope. - ANSWER✔✔Reed


Because they are sealed, ____ relays are unaffected by dust, humidity, and fumes
and have a long life expectancy. - ANSWER✔✔Reed


Typical ______ life ratings for electromechanical relays are 1 million to 10 million
operations. - ANSWER✔✔Mechanical


Sulfidation increases the ______ of the contacts. - ANSWER✔✔Resistance

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