Which transformer-supplied system must be grounded if the supply voltage to the transformer exceeds 150V?
a. Systems less than 50V
b. Systems 1kV and over
c. Systems 1,000V and over
d. Systems of 150V
a. Systems less than 50V
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The middle ordinate for a 6-inch Schedule 40 fishmouth on an 8-inch Schedule 40 header is _____.
a. 9/16 b. 2-1/4 c. 3-7/8 d. 4-7/16
What is the difference between ductile iron rings and steel rings?
What will be an ideal response?
Site drawings will require a template drawing to be developed that reflects either engineering or metric values instead of architectural values.
Answer the following statement true (T) or false (F)
When is a detail view used, how is the location of the detail view identified on the view from where the detail is taken, and how is the detail view located and titled on the drawing?
What will be an ideal response?