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How does a "start" capacitor differ from a "run" capacitor?
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Cold
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After several seasons, buried oil tanks are very subject to water under the oil.
Which system provides cooling water to the "C" Atlas-Copco compressor?
a heating thermostat ...... on a rise in pressure
What generates approximately 10,000 volts needed for spark
Absolute pressure
The heat content of one gallon of No. 2 fuel oil ?
The Raw Water Pumps will trip on _________________.
list two advantages an electronic oil safety control has over a mechanical bellows oil safety control
what is the max amperage usually fond for a low voltage thermostat
The grade of fuel usually used in residential and light commercial units is ____.
What is the best way to determine the direction of rotation of a PSC motor?
When two capacitors are connected in parallel, what happens to the total capacitance?
A special tool has been designed to help remove and install nozzles from the burner. It is called a nozzle wrench and it ____.
Heat gain is most affected by:
Ohm
The number engraved on the nozzle indicates ____.
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At what pressure does the second standby Atlas-Copco compressor receive an automatic start signal?
Sensible heat
A high value of what property is desirable in heat loss calculations?
Can any ac motor be 100% efficient?
CW
water hammer
Hydrocarbons
In calculating solar heat gain what value must be known in addition to the area o the glass?
dry bulb temperature
CRAC
Specific heat
The unit of measurement normally used in rating the capacitance of a capacitor is the ________________
name a method for speeding up the cooling of an open motor when it overloads
Conductance
Does a split-phase motor have a high starting torque or a low starting torque?
Apart from the primary function of MIDS, what other functions does MIDS provide?
A motor start capacitor is a(n) _________ capacitors.
When checking recycled refrigerant for excess air Tech A says the container must be stored at 65 degrees F or above for 8 hours out of direct sunlight before checking pressure. Tech B says that if the pressure is higher than the limit show for a given temp there is air in the tank. Who is right ?