Electrical Machines The breakdown torque of a synchronous motor varies as 1/V 1/V² V² applied voltage V 1/V 1/V² V² applied voltage V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to very low less than one. approx to one. greater than one. very low less than one. approx to one. greater than one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire in order to reduce eddy current to provide large flux. to provide large flux. as it carries large load current. to reduce the insulation of materials. in order to reduce eddy current to provide large flux. to provide large flux. as it carries large load current. to reduce the insulation of materials. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The factors that are responsible for decrease in terminal voltage of a shunt generator are 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. reduction in field current, effect of armature reaction, armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? DC shunt motors. DC series motors. DC compound motors. None of these DC shunt motors. DC series motors. DC compound motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. decreases. increases. decreases remains constant. decreases. increases. decreases ANSWER DOWNLOAD EXAMIANS APP
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