A compressor that compresses gas between a fixed spiral and an orbiting spiral is a:
A) Screw compressor. B) Centrifugal compressor.
C) Rotary compressor. D) Scroll compressor.
D
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Technician A says that reluctance can be measured using an ohmmeter. Technician B says that inductance can be measured using an ohmmeter. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Cotton is mature when the bolls begin to close
Indicate whether the statement is true or false
A characteristic of water vapor, but not other states of water, is:
A) Water vapor is compressible. B) Water exerts equal pressure on the sides of a container in which it is placed. C) Water molecules move about freely. D) Small changes in the volume of water occur with changes in temperature.
A back weld is:
A. made before the major weld B. used for appearances only C. on the opposite side of the major weld D. all of the above