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Class 2 (2nd Engineer) MET 📅 Jul 2025

Exam Question

In some circumstances electrical current may be induced in the shafting of rotating machinery. 

(a) State the problem that may be caused by this current.

(b) Explain with the aid of sketches, how currents may be avoided or reduced in the following instances 

(i) d.c. mahcines 

(ii) main shafting fitted with a bronze propeller

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