Using chalk and a rule, a circle with a diameter of 7” is marked on steel plate. How many inches does the chalk travel in drawing a complete circle? Give the answer to the nearest hundredth.
What will be an ideal response?
ANS: 21.98
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Which of the following is LEAST-Likely a component of a hand-held grease gun?
A. Spring-loaded piston B. Lubricating cartridge C. Nozzle D. Cylinder
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Good wiring practices require electricians to install at least __________ lighting outlets in a two-car garage to provide adequate lighting.
a. 1 b. 2 c. 3 d. 4
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Typical secondary coil resistance specifications usually range from ________ ohms
A) 1-3 B) 6,000-30,000 C) 100-450 D) 500-1500
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The type of fan or blower with a blade design that is self-cleaning and a good choice for air containing a lot of
dust or grease is the _____. A) forward-curved centrifugal B) radial C) backward-inclined centrifugal D) ducted fan
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