A.heat-resisting acrylic
B.heat-resisting aluminum
C.insulating varnish
D.insulating white lead
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A.hydrogen chloride
B.calcium chloride
C.sulfuric acid
D.muriatic acid
A.can be reset to energize the circuit
B.should open the circuit when overloaded
C.will burn out when an over current flow develops
D.All of the above
A.limit
B.monitor
C.modulator
D.interlock
A.relative speed of the rotor poles
B.number of turns of wire in the armature coil
C.strength of the magnets used
D.output voltage
A.loss of residual magnetism
B.absorption of moisture in the insulation
C.insulation varnish flaking
D.dirt collecting on the windings
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