What is used to harvest catfish grown in a large pond?
a. boats c. combines
b. dip nets d. seines
D
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Answer the following statement(s) true (T) or false (F)
1. Motors that used a centrifugal switch to disconnect the start windings cannot be used with variable voltage control.
2. Double-face clutches have both the armature and field discs mounted on the same hub.
3. The accompanying diagram has a double-face magnetic clutch.
4. Clutches cannot provide a smooth start for loads that can be damaged by sudden starting, or for high inertia loads such as centrifuges or flywheels
5. The problem with eddy current clutch circuits is that they lack a speed sensing device that automatically increases or decreases the DC excitation current when load is added or removed
What is a cluster?
A. Geographic concentration of interconnected companies B. Incubator C. Accelerator D. A founder's immediate connections
What is a private or subscription-based, in-house network sometimes known as?
A. database B. communications hub C. graphical user interface D. Intranet
In the spring equation F = k x, the deformation of the spring, x is called
a. a dependent variable b. an independent variable c. none of the above