Electrical Machines If the air gap of IM is increased, ____________ will increase. power factor. magnetizing current. speed. air gap flux. power factor. magnetizing current. speed. air gap flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to Ia2. √Ia. 1/Ia. Ia. Ia2. √Ia. 1/Ia. Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Lathes. Blowers and fans. Centrifugal pumps All of this. Lathes. Blowers and fans. Centrifugal pumps All of this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies inversely as applied voltage None of these directly as square of applied voltage directly as applied voltage inversely as applied voltage None of these directly as square of applied voltage directly as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 0. 500. 2000. 1000. 0. 500. 2000. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.3. 0.54. 0.7. 1. 0.3. 0.54. 0.7. ANSWER DOWNLOAD EXAMIANS APP
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