题目内容
（请给出正确答案）
Fuses placed in series with a thermal trip-type circuit breaker are used for _____.
A.time-delay protection
B.short-circuit protection
C.short duration surge protection
D.sustained overload protection
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更多“Fuses placed in series with a …”相关的问题
第1题
Time delayed or delayed action-type fuses are designed to _____.
A.prevent grounds in branch circuits
B.prevent opens in motor circuits
C.permit momentary overloads without melting
D.guard lighting and electronic circuits
第4题
第5题
第6题
A.main lighting circuits
B.motor starting circuits
C.emergency lighting circuit
D.general alarm circuits
第9题
The purpose of fuses in electric wiring is to ().
A.allow for cutting out branch circuits
B.prevent overloading the circuits
C.reduce voltage to the branch circuits
D.permit the use of smaller wiring for lighting circuits
第10题
A、is done at temperatures above 430℃
B、fuses the work pieces together
C、uses ferrous filler rods
D、relies on capillary action
E、is also called “hard soldering”
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