A transformer that has 480 V applied to its primary winding and produces 120 V at its secondary winding is called a(n) ____.
A. autotransformer
B. isolation transformer
C. step-up transformer
D. step-down transformer
Answer: D
Trades & Technology
You might also like to view...
Horizontal and vertical angle readings on electronic transit levels and theodolites are shown on a(n) _____.
a. smartphone b. analog meter c. tablet computer d. liquid crystal display
Trades & Technology
Most of the interior plants that are available on today’s market are from ancestors that grew and
reproduced in ____.
a. warm, tropical climates c. deserts b. temperate zones d. cool, thickly forested areas
Trades & Technology
Which noise is most noticeable at idle?
A) Main-bearing knock B) Worn thrust bearings C) Piston slap D) Valve lifters
Trades & Technology
What should the net stack temperature be on a category I gas furnace?
A) 150°F to 325°F B) 350°F to 475°F C) 200°F and higher D) 500°F to 675°F
Trades & Technology