The physical properties of a No. 4/0 copper conductor would be found in _____.
a. NEC Table 310.15(B)(16)
b. NEC Chapter 9, Table 8
c. NEC Chapter 9, Table 1
d. NEC Table 310.15(B)(7)
b. NEC Chapter 9, Table 8
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On a TXV system, the thermal sensing bulb is located at the ________
A) Evaporator inlet B) Condenser outlet C) Condenser inlet D) Evaporator outlet
How can an air source heat pump heat when the outdoor temperature is cold?
A) All molecules contain some heat until they reach absolute 0 (-460°F) B) The friction of the air passing over the outdoor coil raises the temperature C) Air source heat pumps only use the outdoor air in the cooling season D) All heating is accomplished with electrical resistance heaters, so the air temperature is irrelevant
Technician A says that solvent popping is caused by poor finish mixing. Technician B says that solvent popping is caused by improper flash time between coats. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
Rivets are classified by ____.
A. length B. head type C. body diameter D. all of the above E. none of the above