Give an overview of proximity detectors.
What will be an ideal response?
Proximity detectors are designed to detect the presence or absence of some object. Some detectors are designed to detect metals only, and others have the ability to detect almost any material. Some rely on a change of inductance to detect the presence or absence of metal, and others rely on a change of capacitance to detect almost any object.
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Una escalera recta se debe usar en suelo estable y nivelado, a menos que:
a. la escalera venga equipada con bases antideslizantes especiales. b. esté asegurada en la parte superior y en la parte inferior para evitar que se mueva. c. haya alguien al pie de la escalera que la sostenga. d. haya alguien que sostenga la escalera desde arriba.
____ is the ASTM specification for the type and grade of material, including the P-number.
A. Filler metal specification B. Electrode specification C. Base metal specification D. Backing strip material specification
In the drafting room drawings are drawn to near scale.
Answer the following statement true (T) or false (F)
GM, BMW, and ____ co-developed a two-mode full hybrid system that can be used with gasoline or diesel engines.
A. Ford B. Toyota C. Chevrolet D. DaimlerChrysler