Engine : Electricity - 121/1386
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| A main switchboard synchronizing panel is fitted with two synchronizing lamps and a synchroscope. When paralleling, if the synchroscope pointer is at the noon position and one synchronizing light is bright while the other remains dark, what does this indicate? |
| A) the incoming generator voltage is too low |
| B) the generator breaker may be closed |
| C) the generators are in phase sequence but one lamp is burned out |
| D) the generators are out of phase sequence and one lamp is burned out |
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