All carbon steel filler metals used for GMAW contain _____
A) slag B) shielding gases C) alloys D) a flux core
C
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The term MOST-likely used to describe the clearance between meshing gear teeth is:
A. backlash B. dummy shaft C. spur gears D. overdrive
?Themaximum diameter of any single porosity shall not exceed ______________.
A. ?1/32 in. (0.8 mm) B. ?1/16 in. (1.6 mm) C. ?3/32 in. (2.4 mm) D. ?1/8 in. (3 mm)
When electric auxiliary heat is used with a heat pump, the best location of the inside coil is ____________________ the auxiliary heat unit.
Fill in the blank(s) with the appropriate word(s).
The __________ is the difference between the temperature of the air being supplied to the occupied space and the temperature of the air returning to the air handler.
A. evaporator coil temperature B. evaporator temperature differential C. condenser temperature differential D. occupied space adjustment