Find the torque of a DC motor that provides 400 pounds of force to turn a wheel that is 1.5 feet in diameter.
What will be an ideal response?
T = F ´ r = 400 ´ .75 = 300 lb.-ft
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The production of portland cement involves only one simple process.
Answer the following statement true (T) or false (F)
The situation illustrated in the following block diagram occurs frequently when a digital computer is used to control a continuous system. The digital computer is modeled as a pure time delay of T seconds. The continuous system is a simple integrator. Use the root locus magnitude condition to find the maximum time delay such that the system remains stable.
Hint: Use a Pade approximation to represent the time delay as a rational transfer function and substitute 
What will be an ideal response?
The immatures of insects that undergo simple or gradual metamorphosis are called ____________________
Fill in the blank(s) with correct word
Which tool would most accurately measure the freeze protection of coolant?
A. Hydrometer B. Refractometer C. Litmus tester D. Flow meter