Flux-cored wires have a "shelf life."
Indicate whether the statement is true or false
TRUE
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Cuando se cortan conductores de control y señal para prepararlos para la terminación, ¿qué tipo de herramienta de corte es la preferida?
a. De tipo tijeras. b. Un cortacables de trinquete. c. De tipo navaja. d. De tipo corte de cincel
What is the difference between a cherry picker and an engine sling?
What will be an ideal response?
Give at least three examples of natural sources of outdoor air pollution. ____________ _____________ _____________
Fill in the blank(s) with the appropriate word(s).
Technicians should be careful when brazing lines to evaporator coils that have preinstalled thermostatic expansion valves because the heat from brazing the lines:
A) Can overheat the TEV bulb and destroy the valve. B) Alters the chemical makeup of the bulb charge and changes its physical properties. C) Can weld the sensing bulb to the suction line. D) Can catch the refrigerant on fire.