The following requirements of electric power supply system in surface mines are
A. Adequate capacity
B. Safe
C. Required voltage and frequency
D. Economical
E. All these
Answer: Option E
Solution (By Examveda Team)
The requirements of an electric power supply system in surface mines are:A. Adequate capacity: The power supply system must have sufficient capacity to meet the electrical demands of the mining equipment and facilities.
B. Safe: The power supply system must be designed and maintained to ensure safe operation, with appropriate protections against electrical hazards.
C. Required voltage and frequency: The power supply system must provide the voltage and frequency required by the mining equipment and facilities.
D. Economical: The power supply system must be designed and operated in a cost-effective manner.
Therefore, the answer to this question is Option E, All these.

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