When the percentage reading increases during opacity testing of diesel engine exhaust gas, what does this indicate?
A. higher NOx emission
B. lower CO emission
C. higher exhaust gas density
D. lower exhaust gas density
Answer: C
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Why is soil erosion a concern on construction sites and an important item for a sustainable building construction?
What will be an ideal response?
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OSHA requires fall protection for personnel working at elevations of _____.
a. 6 feet or more b. 9 feet of more c. 12 feet or more d. 15 feet or more
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Coil polarity is determined by the ________
A) Saturation direction B) Direction of lamination C) Turn ratio D) Direction of the coil windings
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Use Data Sheet 5
If the pipe is 1" threaded pipe and X= 13, how long is the pipe?
Fill in the blank(s) with the appropriate word(s).
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