Ocr test exam with correct answers 2025

An ocr rated for 50 amps has a continuous current of how any amps correct answers 50 amps When coordinating a recloser with a slow blow fuse, the recloser is set on 2A-2B. The fuse should melt on which operation? correct answers 3rd operation An OCR rated at 100 amps has a minimum trip rating of amps. correct answers 200 The trip current rating on an OCR should be larger than the max interrupting current rating? correct answers False Sectionalizers used for line protection, may not be used alone on the system. True or false correct answers True Reclosers used for line protection, may not be used alone on a system. True or false correct answers False An OCR coordinated with a slow blow fuse, OCR set at 1A-3B, on which operation should the fuse melt? correct answers 2 operations The_______rod causes the contacts of an OCR to lock open and must be manually reset correct answers Trip Reclosers & sectionalizers are installed in ____ with the primary line. correct answers Series Sectionalizers can be used as switches to interrupt line current. correct answers True Which of the following will automatically open a circuit on its own? correct answers Oil circuit reclosure An L type OCR can have how many time curves settings? correct answers 4 curves An OCR rated at 10 amps will automatically begins operating when ___ amps flow through the coil. correct answers 20 amps Sectionalizers open their contacts when: correct answers Only once when the ocr is open