Wire connectors marked only with the wire size should only be used on _____.
a. aluminum conductors
b. copper conductors
c. aluminum or copper conductors
d. THWN conductors
b. copper conductors
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Which procedure is not normally done during a routine maintenance check of a reach-in freezer?
a. Cleaning the evaporator coil b. Cleaning the condenser coil c. Check the refrigerant charge d. Check the fan motors
The ____ can contain information listing supplied emission control devices, engine size, vacuum hose routing, and ignition timing and valve adjustment specifications.
A. interchange manual B. VIN C. engine D. underhood emission control label
The US DOE says that 12% of a home's total energy bill usually goes toward heating water for household use.
Answer the following statement true (T) or false (F)
?Which of the following is not something that a hot pass can do?
A. ?Burn out small pieces of trapped slag. B. ?Reshape the root face. C. ?Remove porosity in the root pass. D. ?Push the root penetration a little deeper.