When testing an SCR with an ohmmeter and placing the positive lead on the anode and the negative lead on the cathode, the meter should indicate __________.
A. high resistance
B. low resistance
C. short circuit
D. none of the above
Answer: A
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A 3,250 sq ft house with 8 foot ceilings has 3 return ducts. What size must the ducts be to handle 7 exchanges per hour with a flow of 350 ft/min? Round the answer to the nearer hundredth square foot.
Fill in the blank(s) with the appropriate word(s).
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The pollution of ground water is often increased by the presence of macropores in soils
Indicate whether the statement is true or false
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All mechanical seals have a set of _____, one that rotates and one that is stationary
a. springs b. cartridges c. primary faces d. O-rings
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At any point in a series circuit, the measured current will always be _____.
a. the same b. different c. zero d. 1A
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