The amount of magnetism left in a material after the magnetizing force has stopped is called ____ magnetism.
a. coercive
b. residual
c. saturated
d. reluctant
b. residual
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Which of the following means the same thing as magnetomotive force?
A. flux density B. ampere-turns C. flux cycles D. capacitance
Portugal’s most serious rival in Africa and the Atlantic islands was the kingdom of
a. Aragon. b. France. c. Castile. d. Naples.
Rotary compressors are commonly used in:
A) Commercial refrigeration systems. B) Chillers. C) Window units. D) Large central split systems.
When the refrigerant passes through the metering device, some of it starts to flash from a liquid to a gas because:
A) The pressure has increased above the saturation point. B) A large amount of heat is added to the refrigerant in the metering device. C) Of the turbulators located near the end of the metering device. D) The pressure has dropped to the saturation point.