Electrical Machines Slip rings of an induction motors are made of aluminium. phosphor bronze. carbon. stainless steel. aluminium. phosphor bronze. carbon. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The factors that are responsible for decrease in terminal voltage of a shunt generator are reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following are variable losses? shunt field copper loss eddy current loss hysteresis loss armature copper loss shunt field copper loss eddy current loss hysteresis loss armature copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along load axis. geometrical neutral axis. magnetic neutral axis. armature axis. load axis. geometrical neutral axis. magnetic neutral axis. armature axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be zero. 250 V. about 100 V. very small, say about 2 or 3 V. zero. 250 V. about 100 V. very small, say about 2 or 3 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. ANSWER DOWNLOAD EXAMIANS APP
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