A copper plate, with dimensions of 3 cm × 3 cm × 5 cm (length, width, and thickness respectively), is exposed to a thermal energy source that puts out 150 J every second, as shown in the accompanying figure. The density of copper is 8900 kg/m3. Assuming no heat loss to the surrounding block, determine the temperature rise in the plate after 10 seconds.
And after 10 seconds the temperature rise will be 9.7 °C or 9.7 K.
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One attribute of an IR policy is whether it is enforceable. Briefly describe how to achieve the objective of an enforceable policy.
What will be an ideal response?
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Explain how a fast travel speed can cause undercut.
What will be an ideal response?
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Safety protection should be worn:
A) At all times when performing any work that requires PPE. B) When working with liquids, vapors, or solid objects that are extremely hot or cold. C) When handling refrigerant cylinders. D) When working with power tools.
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The coil of a potential relay used with small single phase compressors should have a resistance of approximately:
A) 10 ohms. B) 100 ohms. C) 1 ohm. D) 10,000 ohms.
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