题目内容

排污权抵押授信额度原则上不得超过抵押排污权评估价值的()

A. 80%
B. 70%
C. 60%
D. 50%

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Anoperationalamplifier,asusedintodaysconsoles,mayhaveacalculatedgainof5√Thismeansthatastheinputchangesby()

A. 1volt,theoutputchanges5volts
B. 5volts,theoutputchanges1volt
C. 5volts,theoutputchanges10volts
D. 10volts,theoutputchanges5volts

当员工犯错误时,部门经理应避免做的是()。

A. 要及时地纠正员工错误
B. 对较严重的错误应给予适当的惩罚
C. 纠正错误只要告诉他错在哪里就可以了
D. 应私下及时修正

Whenthecurrentinapowertransmissionlineisincreased,thepowerloss()

A. increasesasthesquareofthecurrent
B. decreasesasthesquarerootofthecurrent
C. remainsthesame,asitisindependentofcurrentflow
D. increasesindirectproportionasthecurrent

Whichofthelistedsectionsofanemergencyswitchboardisusedtosupplypowerforalarmsignalsunderemergencyconditions?()

A. Thegeneratorandbustransfersection
B. The450volt,60cycle,3phasebus
C. The120volt,3phase,60cyclebus
D. The24voltDCbus

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