This normally consists of filling small seams in the siding or the trim to reduce air drafts:
A. insulation
B. caulking
C. vapor barrier
D. glue
E. paste
Answer: B
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Which is the name of the rules or operating parameters that allow for the exchange of information between on-board computers?
A. Serial communication B. Protocols of communication C. Multiplexing D. All of the above
Liquid lines need to be insulated:
A) They are run close enough to the hot suction line to pick up heat from it. B) If they travel through an unusually hot space. C) Always. D) For systems using HFC refrigerants.
Answer the following statement(s) true (T) or false (F)
1. An automatic synchronous motor starter can be used with a synchronous motor to provide automatic control of the startup sequence. 2. There are three basic methods of starting synchronous motors automatically. 3. The squirrel cage winding will overheat if a synchronous motor starts, accelerates, and reaches synchronous speed within a time interval determined to be normal for the motor. 4. A synchronous motor is started by accelerating the motor to as high a speed as possible from the squirrel cage winding and then applying the DC field excitation. 5. The development of the brushless DC exciter is an improvement in synchronous motor excitation.
The unit of measurement for the level of sound is the ________________.
Fill in the blank(s) with the appropriate word(s).