An air conditioning system is called a __________system if it has a fixed restriction as part of it:
a. TXV b. H-block
c. Accumulator
d. Orifice tube
D
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What is the main difference between a potential transformer and a power or distribution transformer?
What will be an ideal response?
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Explain a pictorial assembly drawing.
What will be an ideal response?
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Typical secondary coil resistance specifications usually range from ________ ohms
A) 100 to 450 B) 500 to 1500 C) 6000 to 30,000 D) 1 to 3
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What is the purpose of staging thermostats?
A) To control the temperature of theatres B) To control the temperature of control equipment in theatres C) To allow systems to operate at reduced capacity D) To operate two different pieces of equipment with a single thermostat
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