Hazardous (classified) locations divide atmospheric identifications for Class I, Divisions 1 and 2, locations into ____.
A. Groups 1A and 2A
B. Categories A and B
C. Categories A, B, C and D
D. Groups A, B, C, and D
Answer: D
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When instructed to prime an oil filter, which of the following is correct?
A. fill the filter with fuel B. fill the filter with clean engine oil C. run the engine at high idle until an oil pressure reading is observed D. drain all the oil from the filter and engine crankcase
Describe field mapping
What will be an ideal response?
A trapezoid has a median of 13.876 inches and a base of 26.043 inches. What is the length of the other base?
Fill in the blank(s) with the appropriate word(s).
A widely accepted practice is to identify 3-phase ungrounded (hot) conductors as ____ in 208/120 volt, 4-wire, wye-connected systems.
A. yellow, green, and blue B. black, red, and blue C. red, yellow, and green D. black, red, and white