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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If ten 60-W light bulbs are wired in parallel with each other and are connected to a 120-V power supply, what will a voltmeter read if connected across any one bulb?
What will be an ideal response?
For steady flow through a heat exchanger at approximately atmospheric pressure, what is the final temperature,
(a) When heat in the amount of 800 kJ is added to 10 mol of ethylene initially at 200°C? (b) When heat in the amount of 2500 kJ is added to 15 mol of 1-butene initially at 260°C? (c) When heat in the amount of 106(Btu) is added to 40(lb mol) of ethylene initially at 500(°F)?
On a clear day, the total solar irradiance striking the Earth is about _____ watts per square meter.
Fill in the blank(s) with the appropriate word(s).
ASE-Style Multiple Choice All of the following are examples of air tools EXCEPT:
A. the air saw B. the air scraper C. the air jack D. the air chisel