Which of the following is true with regard to steel erection?
a. Respirators are never needed when welding.
b. A hot work permit may be required when welding.
c. Welding epoxy-coated surfaces is safer than welding bare metal.
d. Eye protection is not necessary when wearing a welding helmet
b. A hot work permit may be required when welding.
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Government agencies that provide regulatory requirements applicable to the construction industry include OSHA, EPA, and _____.
a. BLS b. FCC c. DOT d. FAA
A factor of an algebraic expression is that part of the expression that is separated from the rest by a plus or minus sign.
Answer the following statement true (T) or false (F)
A vehicle comes into the shop and the technician retrieves the diagnostic code P0401 "EGR flow insufficient." Which of these could be the cause?
A) EGR valve stuck open B) Clogged EGR ports or passages C) Electrical wiring shorted D) All of these are correct.
Which is NOT a purpose or function of the MAP sensor?
A) Measures engine speed B) Calculates fuel delivery based on altitude C) Measures engine load D) Helps diagnose the EGR system