To chose between A and E
in infrared => since detection of temp is done at relatively short distance by infrared temp sensing equipment so the warning will be given at short range and in the stem its mentioned that for avoiding collision a little time is required to take action as the helm will take time to alter the ship to new course and the other ship will be cleared by a good range, so if detection by infrared is at small distance=> collision chances are there. REJECTED
However in E ,
...
in infrared => since detection of temp is done at relatively short distance by infrared temp sensing equipment so the warning will be given at short range and in the stem its mentioned that for avoiding collision a little time is required to take action as the helm will take time to alter the ship to new course and the other ship will be cleared by a good range, so if detection by infrared is at small distance=> collision chances are there. REJECTED
However in E ,
...
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