Final Exam EEST – 105 UPDATED Actual Exam Questions and CORRECT Answers
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Course
EEST – 105
Institution
EEST – 105
Final Exam EEST – 105 UPDATED Actual
Exam Questions and CORRECT Answers
Which of the following describes a Myers hub? - CORRECT ANSWER- A gasketed
fitting used to provide water tight conduit connection
Which of the following conduit bodies has a single cover opening on both sides? -
CORREC...
Final Exam EEST – 105 UPDATED Actual
Exam Questions and CORRECT Answers
Which of the following describes a Myers hub? - CORRECT ANSWER- ✔✔A gasketed
fitting used to provide water tight conduit connection
Which of the following conduit bodies has a single cover opening on both sides? -
CORRECT ANSWER- ✔✔Type LRL
Which of the following are used to protect conductiors from being damaged by the sharp
edges of the threaded conduit end? - CORRECT ANSWER- ✔✔Insulated bushings
Which type of conduit body does not provide a change in direction but may be used as a
pulling joint in a conduit run that has bends totaling more than 360 degrees? - CORRECT
ANSWER- ✔✔Type C
Boxes must be marked with the words "DANGER - HIGH VOLTAGE - KEEP OUT" if they
house conductors over _____. - CORRECT ANSWER- ✔✔600V
Which of the following are defined by the NEC as separate portions of a conduit that provide
access through a removable cover to the interior of the system at a junctionof two or more
sections? - CORRECT ANSWER- ✔✔Conduit bodies
NEMA and IP classify pull and junction boxes according to the _____. - CORRECT
ANSWER- ✔✔Degree of protection from the elements they provide
The abbreviation for an entrance ell(elbow) is _____. - CORRECT ANSWER- ✔✔SLB
For a pull box housing shieled conductors carrying over 600V, the distance between a
conductor entry and exit must be how much greater than the outside diameter of the
conductor? - CORRECT ANSWER- ✔✔36 times
Which of the following can be used as an inexpensive alternative to a tee conduit body when
running EMT? - CORRECT ANSWER- ✔✔A standard 4" square box with a cover
, What type of fitting should be used for EMT in a wet location? - CORRECT ANSWER-
✔✔Compression
Which type of conduit body has a raised cover and allows right angle bends where splices,
taps, and pulls are needed in a weatherproof chamber? - CORRECT ANSWER- ✔✔Moguls
To discourage entry, handhole covers must be _____. - CORRECT ANSWER- ✔✔Heavier
than 100lbs or require tools to open
For a straight pull, the minimum length for a pull box with two 1" conduits and one 4"
conduit on one wall and two 1" conduits and one 4" conduit entering the opposite wall
is_____. (Assume the conductor size is No.4 AWG or larger, but operating at less than 600V.)
- CORRECT ANSWER- ✔✔32"
Which of the following square junction boxes must be used if there is one 6" conduit two 4"
conduits entering on one side of the box and exiting at a 90 degree angle on another side of
the box? (Assume the condutor size is No.4 AWG or larger, but operating at less than 600V.) -
CORRECT ANSWER- ✔✔44"
The second number in the IP classification system designates the degree of protection against
_____. - CORRECT ANSWER- ✔✔Water
For an angle or U pull, the length of a pull box housing shielded conductors carrying over
600V must be how much greater than the outside diameter of the largest shielded conductor
entering the box? - CORRECT ANSWER- ✔✔36 times
What is the minimum length of a straight pull box for a system for a system under 600V if
the largest conduit is 5"? - CORRECT ANSWER- ✔✔40"
What is the least protective type of junction box that can be used in chemical plants? -
CORRECT ANSWER- ✔✔Type 4X-Watertight, corrosion resistant
The NEC requires that handholes must always be _____. - CORRECT ANSWER-
✔✔Prominently marked to identify the function of the enclosure
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