For satisfactory operation of fluorescent lights, the room temperature should be not less than ____________________ degrees Fahrenheit.
Fill in the blank(s) with the appropriate word(s).
50
fifty
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A cross between a donkey and a horse is called a mule or a hinny, depending on its parentage.
Answer the following statement true (T) or false (F)
Technician A says that most fuel injection systems use the PCM to control the pulsing of the fuel injectors. Technician B says that most fuel injection systems use the PCM to control the operation of the fuel pump relay. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What is a dual-fuel heat pump?
A) A heat pump that can run on either AC or DC power. B) A heat pump that can be field converted from air-source to water-source. C) An air-source heat pump added to a fossil fuel furnace. D) A heat pump whose energy requirements are so massive that two fuel sources are required to operate it.
The critical frequency of the basic high-pass filter occurs when
A) Xc = R B) Xc exceeds R C) XL = Xc D) XL = R