The automatic expansion valve maintains a constant ____________________.
Fill in the blank(s) with the appropriate word(s).
pressure
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Answer the following statement(s) true (T) or false (F)
1. A common method for verifying a profile tolerance is to use a CMM. 2. If a profile tolerance with no datum references is applied to a surface, it will control deviations in form only. 3. A multiple single-segment feature control frame can contain as many as three segments. 4. A composite profile tolerance can only be applied to a pattern of surfaces. 5. In certain cases, a profile of a line tolerance is used as one segment in a multiple single-segment profile tolerance. In this case, the profile of a surface tolerance in the lower segment controls the size, location, and orientation of the conical surface. The profile of a line tolerance in the upper segment controls the orientation and form of the line elements (in one direction) of the conical surface.
Las formas de espuma de poliestireno se usan general- mente en la construcción _____.
a. residencial y de comer- cios livianos b. premoldeadas c. de puentes d. de estacionamientos cubiertos
An electromagnetic device that can be used to multiply the switching function of a pilot device is a _____.
a. switch b. timer c. thermistor d. control relay
How is a compressor's rated load amp rating, RLA, determined?
A) It is the compressor's maximum continuous current rating divided by 1.56. B) It is the maximum current that the compressor should draw. C) It is the average of the operating current across all operating conditions for which the system is designed. D) It is the current draw at the compressor's capacity rating point.