Electrical Machines Slot wedges in a dc machine is made up of cast iron. silicon steel. mild steel. fibre. cast iron. silicon steel. mild steel. fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 250 W 400W 300 W 500 W 250 W 400W 300 W 500 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 399 V. 100 V. 230.2 V. 50 V. 399 V. 100 V. 230.2 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Insulation requirement is less. Collecting of large current is simple. All of these Operating cost is less. Insulation requirement is less. Collecting of large current is simple. All of these Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to high filed circuit resistance. all of these. over load. zero or very low voltage supply. high filed circuit resistance. all of these. over load. zero or very low voltage supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. zoom. boo. magnetostriction. hum. zoom. boo. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
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