NCCER Electrical Level 2 Module 4
Conduit Bending Questions And
Answers With Verified Solutions Already
Passed!!!
The minimum bending radius for 3" rigid conduit is _____. - ANSWER✔✔13"
The minimum bending radius for 1/2" rigid conduit is _____. - ANSWER✔✔4"
The maximum number of 90° bends allowed between pull points in a conduit
system is ______. - ANSWER✔✔four
A saddle bend is counted as ____. - ANSWER✔✔60°-180°, depending on the type
of bends
When referring to the two bends required to make an offset in a length of conduit,
which of the following is always true? - ANSWER✔✔The degree of bend for each
must be equal.
The reason for making a saddle bend in a run of conduit is to _____. -
ANSWER✔✔cross a small obstacle
Which of the following formulas should be used to find the side adjacent? -
ANSWER✔✔C = A ÷ H
The equation used to calculate the circumference of a circle is ____. -
ANSWER✔✔C = 2πR
, The fractional equivalent of the decimal 0.015625 is ____. - ANSWER✔✔1/64
Two or more parallel bends that are bent in the same direction are known as ____.
- ANSWER✔✔concentric bends
You are making a concentric bend and the radius of the first pipe is 16", the OD of
the first pipe is 2", and the spacing between pipes is 3". What is the radius of the
second pipe? - ANSWER✔✔21"
You are making a 20" offset with two 30° bends. The distance between bends is
____. - ANSWER✔✔40"
A saddle to cross a pipe requires ____. - ANSWER✔✔Three bends
An important safety precaution to use when working with PVC conduit is to
_____. - ANSWER✔✔Provide proper ventilation to carry off fumes from the joint
cement
To prevent flattening when bending larger diameter PVC pipe, use _____. -
ANSWER✔✔plugs and air pressure
Which chapter of the NEC will you find the installation requirements for conduit? -
ANSWER✔✔Chapter Three
The maximum number of degrees allowed between pull points in a conduit run is
____. - ANSWER✔✔360°
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