Electrical Machines In case of DC Shunt Motor electromagnetic torque developed is Proportional to the square of armature current. Proportional to the armature current. None of above. Inversely proportional to the armature current. Proportional to the square of armature current. Proportional to the armature current. None of above. Inversely proportional to the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by high loads low voltage supply improper design of stator laminations harmonics developed in the motor high loads low voltage supply improper design of stator laminations harmonics developed in the motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Drip proof. Open type. Totally enclosed fan coiled. Splash proof. Drip proof. Open type. Totally enclosed fan coiled. Splash proof. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for none. larger bore diameter. larger output. both. none. larger bore diameter. larger output. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the effect of armature reaction ? Armature flux distorts the main field flux. Armature flux weakens the main field flux. None of the options. Both option B and C. Armature flux distorts the main field flux. Armature flux weakens the main field flux. None of the options. Both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying all of these. applied voltage. resistance of armature culture. its flux oer pole. all of these. applied voltage. resistance of armature culture. its flux oer pole. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS