Aluminum screening can be considered a more environmentally friendly product than flexible ____, which is coated with soft PVC that is manufactured with harmful phthalates.
A. copper
B. steel
C. fiberglass
D. composition
Answer: C
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Ethics refers to the study of morality and the moral choices that we all have to make in our lives.
a. True b. False
The reading on a low side pressure gauge is 65 psig. What is the absolute pressure?
What will be an ideal response?
In a Wein-bridge op-amp oscillator, the output is a repetitive:
A) square wave. B) triangular wave. C) sine wave. D) all of these.
In springs, the compression length ____.
A. is the maximum recommended design length for the spring when compressed B. is the actual length of the spring when compressed under extreme conditions C. is the theoretical length of the spring when compressed D. is the actual length achieved when the compositional portions of the material are accumulated E. none of the above