The amount of absorption or evaporation of moisture that occurs by hygrometric detector can be determined by __________.
A. measuring its weight
B. measuring its length
C. both a and b
Answer: C
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La fórmula para la reactancia inductiva es:
a. X L= 1 ÷ 2p fl. b. X L= 2 ÷ p fl. c. X L= 2p ÷ fl. d. X L= 2p fl.
Raising the end of the electrode too high or moving it too far ahead of the molten weld pool can cause ____.
A. the weld pool to harden B. burn-through C. all of the shielding gas to be blown away from the molten weld pool D. slag and metal to be deposited ahead of the weld bead
Japan's victories in the early stages of the Russo-Japanese War were especially stunning because
A. it was the first time in many centuries that a non-European nation had defeated a European great power. B. the United States had provided strong support to Russia before the war. C. Russia had by far the larger and more sophisticated naval forces. D. Japan had previously been bogged down in a war in China's Manchuria province. E. None of these choices are correct.
Typical secondary coil resistance specifications usually range from ________ ohms
A) 6,000-30,000 B) 1-3 C) 100-450 D) 500-1500