Lining fade occurs when ________
A) The drum or rotor expands from heat
B) The brake fluid boils
C) Dust particles build up between the friction material and the drum or rotor
D) The friction material overheats
D
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Types of fault current include overloads, short circuits, ground faults, and _____.
a. arc faults b. symmetrical faults c. asymmetric faults d. transient faults
If the heater in a fixed IEC bimetallic overload relay fails, _____.
a. the heater must be replaced with a heater of the same size b. it and all the other heaters in the overload relay must be replaced c. the entire overload relay must be replaced d. the heater can be replaced with a heater of the same size or one that is slightly smaller
A circuit with excessive current flow ________
A) May cause a fuse to blow B) May create excess heat in conductors C) Both A and B D) Neither A nor B
The diac can be tested with an ohmmeter to determine if it is operating properly.
Answer the following statement true (T) or false (F)