The two categories of charge controllers are standard charge controllers and maximum power point tracking (MPPT) charge controllers.
What will be an ideal response?
Shunt controllers work to prevent overcharging by shunting or bypassing the batteries when they are fully charged by short circuiting the array.
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What types of edge preparation are required on part G?
Refer to Drawing Number 750098A on page 115 for the following questions.
The greater the contamination of a stainless steel weld, ____ of the bead after the weld.
A. the lighter the color B. the redder the color C. the whiter the color D. the darker the color
If X is an unbiased measurement of a true value 
, and U(X) is a nonlinear function of X, then in most cases U is a biased estimate of the true value 
. In most cases this bias is ignored. If it is important to reduce this bias, however, a bias-corrected estimate is 
. In general the bias-corrected estimate is not unbiased, but has a smaller bias than U(X). Assume that the radius of a circle is measured to be r=3.0 ± 0.1 cm.
a. Estimate the area A, and find the uncertainty in the estimate, without bias correction. b. Compute the bias-corrected estimate of A. c. Compare the difference between the bias-corrected and non-bias-corrected estimates to the uncertainty in the non-bias-corrected estimate. Is bias correction important in this case? Explain.
How can the centrifugal compressor speed be higher than the motor speed?
A) This is accomplished by using speed increasing gears B) By using a drive belt with a larger pulley on the motor than on the compressor C) Because of the inertia of the impeller D) By using a drive belt with a smaller pulley on the motor than on the compressor