For cleaning masonry, a _____ is used to remove the large particles and does not leave rust stains on the wall.
A. hammer
B. metal chisel
C. metal scraper
D. wooden paddle
Answer: D
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____ Law states that an induced voltage or current opposes the motion that causes it.
a. Fleming’s b. Seebeck’s c. Lenz’s d. Ohm’s
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The amount of latent heat released when one pound of steam is condensed to water at sea level is _____
a. 144 Btus b. 970 Btus c. 3,413 Btus d. 12,000 Btus
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Answer the following statement(s) true (T) or false (F)
The weight of an object is given as 67.2 ± 0.3g. 1. The weight was measured to be 67.2 g. 2. The true weight of the object is 67.2 g. 3. The bias in the measurement is 0.3 g. 4. The uncertainty in the measurement is 0.3 g.
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What is the frequency of a clock waveform whose period is 20 microseconds?
A) 5 kHz B) 25 kHz C) 50 kHz D) 2 MHz
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