Cooling-only window air conditioners range in size from about 4,000 Btu/h to 24,000 Btu/h.
Answer the following statement true (T) or false (F)
True
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Plotting a circle. The following script plot a circle using 101 points that appears as a circle (not an ellipse) on the plot Find the error in the script.
i = 0:100; % define index array
x = cos(2*pi*i/100); % element-by-element multiplication
y = sin(2*pi*.i/100);
plot(x,y)
axis([-1 1 -1 1]) % axis limits [xmin xmax ymin ymax]
axis square % square axis
grid on % display grid
Bill has 120 pecan trees that yielded 45 pounds of pecans per tree. Three-fourths of the pecans are sold as shelled nuts. A storm damaged four trees, which he cut into logs. He had four logs 12 feet long with a 32-inch diameter at the small end and three logs 8 feet long with a 22-inch diameter at the small end. He used the Doyle log rule to find the approximate number of board feet of usable lumber in the logs.
Doyle log rule formula: 
Where: BF is the approximate board feet of usable lumber in a log.
d is the diameter of the small end of the log, in.
l is the length of the log, ft.
a. How many pounds of pecans were harvested? (Note: The trees that were damaged did not have pecans.)
b. How many pounds of pecans were sold as shelled pecans?
c. How many board feet of usable lumber were in the logs?
Gas/hydraulic suspension systems require more maintenance and adjustment when compared to the older conventional leaf-spring systems.
Answer the following statement true (T) or false (F)
Technician A says that worn valve guides can cause valves to burn. Technician B says that stem necking is caused by worn valve guides. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B