To use a fan curve, you need to know
A) the CFM and the RPM
B) the required CFM and the static pressure the fan must operate against
C) the horsepower and efficiency
D) the RPM and tip speed
B
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An insurance company is interested in the relationship between the number of licensed vehicles in a state and the number of accidents per year in that state. It collects a random sample of 10 counties within the state:
 FIGURE 1.png)
(a) Plot the points on linear graph paper.
(b) Find the equation that relates X and Y.
(c) Find the correlation coefficient.
(d) Estimate from the derived equation the number of accidents in the largest county, with 35 000 vehicles.
When several PAL-type SPLDs are combined into a single IC package, it is called a
A) SPLD. B) FPGA. C) FSAG. D) CPLD.
The direction of rotation by the shaft of a universal motor can be changed by reversing the AC power leads.
Answer the following statement true (T) or false (F)
Alwaysin 1787, 1820, 1833, and 1850, the North and South had been able to compromise over their sectional political, economic, and social differences. Why not in 1861?
What will be an ideal response?