The measure of reliability of string is given by the factor a) DRF = 1 – String efficiency b) DRF = 1 + String efficiency c) DRF = String efficiency – 1 d) DRF = String efficiency x 2
The measure of reliability of string is given by the factor a) DRF = 1 – String efficiency b) DRF = 1 + String efficiency c) DRF = String efficiency – 1 d) DRF = String efficiency x 2
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a
Explanation: DRF is de-rating factor given by the above expression.