問題1
Polarization Index (PI) is defined as the ratio of insulation resistance measured at:
Polarization Index (PI) is defined as the ratio of insulation resistance measured at:
正確答案: C
說明：（僅 NewDumps 成員可見）
問題2
What is the recommendedminimum insulation resistance valuefor motor windings manufactured before
1970?
What is the recommendedminimum insulation resistance valuefor motor windings manufactured before
1970?
正確答案: C
說明：（僅 NewDumps 成員可見）
問題3
Which voltage is recommended by NETA-ATS for a15-minute AC withstand teston a three-phase34.5 kV line sectionalizerrated for a150 kV impulse withstand voltage?
Which voltage is recommended by NETA-ATS for a15-minute AC withstand teston a three-phase34.5 kV line sectionalizerrated for a150 kV impulse withstand voltage?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題4
On an electrical schematic, adot on a current transformer symbolindicates:
On an electrical schematic, adot on a current transformer symbolindicates:
正確答案: A
說明：（僅 NewDumps 成員可見）
問題5
Which instrument is used tolocate a fault in a 15 kV underground cable?
Which instrument is used tolocate a fault in a 15 kV underground cable?
正確答案: C
說明：（僅 NewDumps 成員可見）
問題6
For aDielectric Absorption Ratio (DAR)test on a transformer, the 1-minute insulation resistance value is divided by the value obtained at:
For aDielectric Absorption Ratio (DAR)test on a transformer, the 1-minute insulation resistance value is divided by the value obtained at:
正確答案: C
說明：（僅 NewDumps 成員可見）
問題7
You arrive to perform acceptance testing on a newly installed indoor 15 kV switchgear lineup. Covers are removed and conductors are exposed with taped ends. What is thecorrect initial action?
You arrive to perform acceptance testing on a newly installed indoor 15 kV switchgear lineup. Covers are removed and conductors are exposed with taped ends. What is thecorrect initial action?
正確答案: B
說明：（僅 NewDumps 成員可見）
問題8
What is theprimary purposeof the National Electrical Code (NEC)?
What is theprimary purposeof the National Electrical Code (NEC)?
正確答案: D
說明：（僅 NewDumps 成員可見）
問題9
OSHA requires testing of a voltmeterafterverifying absence of voltage when testing circuits above what voltage level?
OSHA requires testing of a voltmeterafterverifying absence of voltage when testing circuits above what voltage level?
正確答案: B
說明：（僅 NewDumps 成員可見）
問題10
A 3-phase, 480 V system supplies a balanced load drawing50 A line currentat a0.85 lagging power factor.
What is thetotal real powerdelivered to the load?
A 3-phase, 480 V system supplies a balanced load drawing50 A line currentat a0.85 lagging power factor.
What is thetotal real powerdelivered to the load?
正確答案: C
說明：（僅 NewDumps 成員可見）