How can a Hall generator be used in a manner similar to a limit switch?
What will be an ideal response?
If the sensor is mounted beside a piece of moving equipment, and a permanent magnet is attached to the moving equipment, a voltage will be produced when the magnet moves near the sensor.
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¿Qué cemento suele NO usarse en la industria del aislamiento?
a. De acabado b. Refractario c. Para altas temperaturas d. Hidráulico
New technologies can help reduce the amount of pollutants that coal can introduce into the environment. One of the most popular is coal ____
a. catalyzation c. hydrolysis b. oxidation d. gasification
Finishing methods may be indicated as:
A) Hammering B) Machining C) Grinding D) All of the above
Two technicians are discussing lifting heavy items. Technician A says that you should always keep your back bent while lifting. Technician B says that most of your lifting ability comes from your lower back. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B