?____ varnishes are excellent for materials exposed to the weather and can be used on wood marine products.
A. ? Silicone
B. ? Polyurethane resin
C. ? Alkyd resin
D. ? Phenol formaldehyde
Answer: D
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How much voltage is necessary to push 0.8 A of current through 6 ohms of resistance?
a. 2.4 V b. 3.6 V c. 4.8 V d. 5.0 V
The two general categories of metering devices are:
A) Pressure-reducing and pressure-increasing. B) Copper and brass. C) High pressure and low pressure. D) Fixed and modulating.
A(n) ____ is an indicator found on the screen that may be in the form of a small triangle, arrow, or some other similar configuration.
A. pointer B. arrow C. I-beam D. cursor
Norton’s theorem,developed by American scientist E. L. Norton, is used to ____ a circuit network into a simple current source and a single parallel resistor.
a. reduce b. manipulate c. translate d. divide