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MEO Class IV – MET : 2023/JUL/03 – 2024/APR/10 – 2024/SEP/10
Question
Q3. With reference to the protection of electric motors explain EACH of the following in relation to fuse back up protection.
a) How a motor fitted with fuse back up protection may exceed its rated temperature without being tripped by the primary protection. (8)
b) The value of current rating at which the over current relay should be set. (8)
Asked in Year/Month/Ques No.