Q80.

What are the routine maintenance carried out to an a.c. motor; and- A. Explain the meaning of single phasing in a.c. machinery; B. State the dangers associated with single phasing and enumerate the protective normally fitted to counteract such dangers.

2009/SR8 2008/SR8 2006/SR3 2005-6/EMG 2012/SR8 2015/SR10 2018/SR02