When filler metal is graded for rigid control fabrication, the purchaser receives _____
a. AWS Specification A5.7
b. a Certificate of Conformance
c. a Certified Chemical Analysis report
d. no record of chemical composition or strength
b
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Workers caring for pets in a kennel/cattery need training in
A. Handling animals and understanding companion animal behavior B. Detecting signs of illness in animals kept, and in understanding customer relation skills C. Understanding and following directions D. All of the above E. A and B above
Why do heat pumps operate more efficiently than electric furnaces?
A) Refrigerant has a natural affinity for heat. B) They use electricity to move heat rather than converting electricity directly to heat. C) Heat pumps and electric furnaces actually operate at about the same efficiency. D) Heat pumps use a more direct method of converting electrical energy to heat energy.
The term "cloud storage" refers to a specific type of memory within your computer or pad
Indicate whether the statement is true or false
The decimal number system is NOT used in digital systems because:
A) the binary system is NOT a weighted positional value system like the decimal system. B) it would take a greater number of decimal digits than binary digits to express a given quantity. C) the decimal digits to the left of the decimal point are normally raised to negative exponent values. D) it is difficult to design electronic equipment that will recognize ten different voltage levels.