NCCER Electrical Module 7- Test Questions & Answers

NCCER Electrical Module 7- Test
Questions & Answers
90 degree bend Correct Ans-A bend that changes the direction of the conduit by 90 degrees




Back-to-back bend Correct Ans-Any bend formed by two 90 degree bends with a straight
section of conduit between the bends



Concentric bends Correct Ans-90 degree bends made in two or more parallel runs of conduit
with the radius of each bend increasing from the inside of the run toward the outside



Developed length Correct Ans-The actual length of the conduit that will be bent.




Gain Correct Ans-Because a conduit bends in a radius and not at right angles, the length of
conduit needed for a bend will not equal the total determined length. Gain is the distance saved
by the arc of a 90 degree bend



Offset Correct Ans-An offset is two bends placed in a piece of conduit to change elevation to
go over or under obstructions or for proper entry into boxes, cabinets, etc.



Rise Correct Ans-The length of the bent section of conduit measured from the bottom,
centerline, or top of the straight section to the end of the conduit being bent