The number of British thermal units that are changed into useful work is 1,700. The number supplied is 4,300 Btu. What is the thermal efficiency to the nearest whole percent?
A. 30%
B. 35%
C. 40%
D. 45%
Answer: C
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List the five levels of emergency responders.
What will be an ideal response?
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If an ammeter with an internal resistance of 100 ? and a current capacity of 2 mA is to measure 5 A, determine the value of the resistance needed. Calculate the power dissipated in the shunt resistor.
What will be an ideal response?
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Polygons and circles separate a plane into three regions: points on the figure, points in the interior of the figure, and points in the exterior of the figure.
Answer the following statement true (T) or false (F)
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Most manufacturers recommend a GFCI splitter be tested using the test button ___________________.
A. before each use B. daily C. weekly D. every two weeks
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