Name two methods used to produce ethanol from corn
What will be an ideal response?
Ethanol can be produced from corn using the dry milling method or the wet milling
method.
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What are the challenges for wireless networking?
What will be an ideal response?
Application to mobile computer networks. Computer scientists often model the movement of a mobile computer as a random path within a rectangle. That is, two points are chosen at random within the rectangle, and the computer moves on a straight line from the first point to the second. In the study of mobile computer networks, it is important to know the mean length of a path. It is very difficult to compute this mean directly, but it is easy to estimate it with a simulation. If the endpoints of a path are denoted src="https://sciemce.com/media/4/4bd592e55d9472ab7a.jpg" class="w-image" /> , for many paths, computing the length of each, and taking the mean. This exercise presents a simulation experiment that is designed to estimate the mean distance between two points randomly chosen within a square of side 1.
, then the length of the path is 
. The mean length is estimated by generating endpoints
a. Generate 1000 sets of endpoints 
. Use the uniform distribution with minimum value 0 and maximum value 1 for each coordinate of each point. The uniform distribution generates values that are equally likely to come from any part of the interval (0, 1).
b. Compute the 1000 path lengths 
.
c. Compute the sample mean path length 
. The true mean, to six significant digits, is 0.521405. How close did you come?
d. Estimate the probability that a path is more than 1 unit long.
A V-8 with a high-rise manifold has 97% volumetric efficiency at its highest speed of 6500 RPM. Calculate the maximum airflow to this engine, rounding to the nearest whole unit, if the theoretic airflow is 682 CFM
What will be an ideal response?
You are replacing a spring brake chamber on a truck drive axle with a one with a pushrod that must be cut to size. Which of the following MUST be performed to properly fit the new spring brake chamber?
A. replace the pushrod clevis yoke B. replace the slack adjuster C. cut the pushrod to size to ensure 90-degree fully-applied slack adjuster angle D. cut the spring brake bracket to ensure 90-degree pushrod to slack adjuster angle