Electric Machines Mega Quiz 6

(a) graphite

(b) paper

(c) mica

(d) insulating varnish

(a) lie under south pole

(b) lie under north pole

(c) lie under interpolar region

(d) are farthest from the poles

(a) demagnetisation only

(b) cross magnetisation as well as magnetisation

(c) crossmagnetisation as well as demagnetising

(d) cross magnetisation only

(a) crossmagnetising

(b) demagnetising

(c) magnetising

(d) none of above

(a) to avoid sudden loading of the primemover

(b) to avoid mechanicaljerk to the shaft

(c) to avoid burning of switch contacts

(d) all above