?What optical property represents the percent of thermal radiation released by a surface compared to that released by a black body at the same temperature?
A. ?transmissivity
B. ?absorptivity
C. ?emissivity
D. ?reflectivity
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. In most cases, magnification is necessary while performing the soldering process. 2. Soldering irons are not recommended for use with solder paste. 3. Where a ceramic capacitor is installed on an epoxy board, the two solder joints are subjected to very mild stresses. 4. Soldering gold with the normal solder that contains tin produces a very reliable connection. 5. When it comes to the soldering of a pierced tab terminal, it is not necessary to fill in the hole with solder.
As steam flows from the boiler to the plant it begins to cool. When steam cools it forms _______________ .
Fill in the blank(s) with the appropriate word(s).
Which of the following operating conditions requires the most frequent lubrication of the driveshaft?
A. 4x4 vocational off-highway B. pick-up and delivery C. linehaul trucking D. less-than-load
Is heat transfer a scalar or a vector quantity? Explain. Answer the same question for temperature.
What will be an ideal response?