The dual-voltage 42-volt system is being discussed. Technician A says the system can use a dual-generator arrangement. Technician B says the system can use a dual-stator, dual-voltage generator. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: C
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The lengths of two components will be measured several times. The uncertainty in each measurement of the length of the first component is src="https://sciemce.com/media/4/bb4ad71c08f6dc97xy.jpg" class="w-image" />.
a. Find the uncertainty in the total length if the first component is measured 4 times and the second component is measured 12 times.
b. Find the uncertainty in the total length in terms of n if the first component is measured n times and the second component is measured 16–n times.
c. Determine the best way to allocate 16 measurements between the components by determining the value of n that minimizes the uncertainty.
=0.02 cm, and the uncertainty in each measurement of the length of the second component is 
=0.08 cm. Let 
denote the average of the measurements of the first component, and let 
denote the average of the measurements of the second component. The total length of the two components will be estimated with the quantity
When troubleshooting an oil furnace, the technician notices that the oil burner fires and burns normally for 90 seconds, and then shuts down. What is the most likely problem?
A. defective limit switch B. defective oil burner fan motor C. defective room thermostat D. defective cad cell
The difference between an inclined plane and an oblique plane is:
A. position in the drawing B. different projection angle C. inclined planes are used in third-angle projection only D. inclined planes are not parallel to any normal surface, but are perpendicular to at least one. Oblique planes are neither parallel nor perpendicular.
Derive the frequency response of the bandpass filter of Figure 15.22 in the text.
