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Class 2 (2nd Engineer) MET 📅 Nov 2025

Exam Question

Two three phase 415 V alternators supply a ship’s load comprising:

  • lighting totalling 800 kW at unity power factor; and
  • motors totalling 1700 kW at power factor 0.7 lag.

One alternator supplies 1400 kW at power factor 0.75 lag.

(a) Calculate EACH of the following for the other alternator: (16) 

(i) the KVA output; 

(ii) the power factor; 

(iii) the line output current. 

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