Which device is used in alternators to change AC to DC?
A) Darlington pair B) Rectifier bridge C) Transistor group D) None of these
B
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Bacon comes from the leg of the pig
Indicate whether the statement is true or false
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Using multiple parallel compressors makes the use of multiple refrigerants possible:
A) a parallel multi-compressor system. B) A two stage cooling system. C) A cascade system. D) Compound multistage compressor system.
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Backwashing is used to prevent accumulated particles from clogging a _____.
a. multimedia filter b. duplex strainer c. spray deaerator d. blowdown separator
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How many degrees of CRANKSHAFT rotation are required for a piston to travel from TDC to BDC and return to TDC?
A) 720 B) 180 C) 90 D) 360
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