Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will stop. The motor will run in reverse direction. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. The motor will stop. The motor will run in reverse direction. The motor will run at its normal speed in the same direction as before. The motor will run much faster in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the temperature of armature resistance is increased, the speed of a series motor would decrease. None of above. increase. not change. decrease. None of above. increase. not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a 3-phase induction motor operating in its stable region remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. remains constant. decreases with increase in the load torque. decreases with decrease in the load torque. increases with increase in the load torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between short circuit current and armature current no load voltage and armature current no load voltage and field current short circuit current and field current short circuit current and armature current no load voltage and armature current no load voltage and field current short circuit current and field current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms 8+j13 ohms 3.05+j5.08 ohms 3.5+j5.8 ohms 53+j85 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying its flux oer pole. applied voltage. all of these. resistance of armature culture. its flux oer pole. applied voltage. all of these. resistance of armature culture. ANSWER DOWNLOAD EXAMIANS APP
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