Once a technician works on a system, what else should he or she do?
A) Open the gas flow valve. B) Check for gas leaks.
C) Do nothing else. D) Increase household ventilation.
B
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How many windings do consequent pole motors that are intended to operate with three speeds have?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. Amperage is the rate of flow of the electrons. 2. An ammeter is an instrument that measures a precise amount of voltage. 3. Opposition to electron flow is called resistance. 4. Voltmeters are used to determine the amount of resistance to the earth when the resistance to earth through a grounding electrode is unknown. 5. Nonlinear loads are load types where the load impedance is not constant.
Hip roofs covering a whole house have a minimum of ____ planes, and those covering porches or additions have at least three.
A. two B. four C. five D. six
When will installation technicians most likely install a horizontal furnace?
A) When there is little floor space B) When duct systems are set in concrete C) When the configuration may change D) When the ceilings are especially high