A ground rod cannot be driven completely into the ground because of large rocks in the soil. Explain what options you have to meet NEC® requirements.
What will be an ideal response?
Drive the rod at not more than a 45-degree angle or bury it in a trench at least 2.5-feet deep.
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El aislamiento de conductos NO debe comprimirse más de ___ % en las esquinas del conducto.
a. 100 b. 50 c. 25 d. 10
?Welding shop supervisors ____.
A. ?have a high degree of skill and knowledge of small-business management B. ?operate machines or automatic equipment used to make welds C. ?position all the parts in their proper places and make ready for the tack welders D. ?demonstrate good management skills by planning jobs and assigning workers
The mean effective pressure value within a 235 in^3 engine operating at 4400 RPM is 170 psi. Calculate the indicated torque. Round to the nearest whole unit
What will be an ideal response?
If a scale ruler is marked 1/8" = 1'0", what is the actual length of a pipeline if it measures 2 3/4" on the drawing?
What will be an ideal response?