What are the main components of a split-phase induction motor?
Fill in the blank(s) with the appropriate word(s).
A split-phase induction motor basically consists of:
• a stator
a rotor
• a centrifugal switch located inside the motor
• two end shields housing the bearings that support the rotor shaft
• a cast steel frame into which the stator core is pressed
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Match the device with its description. Note: one description will not be used.
A. device that allows hot gas to flow to an auxiliary condenser B. precharged tubing C. a rotating component in an ice maker that scrapes the formed ice off the evaporator surface D. device that ensures the oil reservoir pressure is below the common suction pressure E. variable speed drives used to control compressor motor speeds
Which of the following is NOT required for compliance with OSHA safety regulations?
A) Daily air quality measurements B) Current MSDS information C) Injury related records D) Regular safety training
By the early 21st century, evidence of the growing numbers and influence of the Latino population in the U.S. could be seen in all of the following ways EXCEPT
A. electing Hispanic mayors of major cities such as Miami, Denver and San Antonio. B. the United Farm Workers' success in improving working conditions for the mostly Chicano laborers. C. electing Hispanic senators from states such as Arizona, Florida, and Texas. D. increasing Spanish-language television broadcasts. E. more election ballots in Spanish.
Adiabatic expansion means:
A) Expanding by applying a strong magnetic field to a polarized substance. B) Expanding by adding heat. C) Expanding without adding heat. D) Expanding through the use of centrifugal force.