1.   One problem when using rigid metal conduit in a residence is that the installation of the conduit may 
A. weaken the structure. 
B. require an equipment ground. 
C. be a fire hazard. 
D. be an electrical hazard. 

2.   The internal area of 2-inch IMC is 
A. the same as the internal area of 2-inch EMT. 
B. less than the internal area of 2-inch EMT. 
C. less than the internal area of 2-inch rigid metal conduit. 
D. greater than the internal area of 2-inch rigid metal conduit. 

3.   One governing factor when determining the minimum size of conduit to be used is the 
A. length of the conduit. 
B. presence of water. 
C. location. 
D. conductor fill. 

4.   A 10-inch beam is in the path of a conduit run from a junction box which is located 38 inches from the beam. The beam is to be bypassed by a 30-degree offset with the second offset bend occuring at the corner of the beam. At what distances from the outlet box will the two bends be marked on a length of 1-inch EMT? 
A. 18 inches and 38 inches 
B. 20 1/2 inches and 40 1/2 inches 
C. 38 inches and 40 1/2 inches 
D. 8 inches and 48 inches 

    • 8 years ago
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