The two most common types of overcurrent protective devices are _____
a. circuit breakers and fuses
b. heaters and blowers
c. Edison-base fuses and time-delay devices
d. safety switches and load centers
a
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All op amps use bipolar transistors for input.
Answer the following statement true (T) or false (F)
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Energy use worldwide is evenly distributed in developed and developing countries
Indicate whether the statement is true or false
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What is the electrical analogy to the mechanical system below?
A. 
B. 
C. 
D. 
E. none of the above
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Hard hats should be inspected _______________________ for damage.
A. daily B. weekly C. monthly D. every six months
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