Electrical Machines Tappings of a transformer are provided at the middle of hv side at the neutral side end of hv side at the phase end of hv side at the phase end of lv side at the middle of hv side at the neutral side end of hv side at the phase end of hv side at the phase end of lv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 2 to 3. 1.5 to 2. 1.0. 3 to 5. 2 to 3. 1.5 to 2. 1.0. 3 to 5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - φ induction motor can also be referred to as a shunt motor. repulsion motor. asynchronous motor. transformer. shunt motor. repulsion motor. asynchronous motor. transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be zero. proportional to rotor speed. constant independent of speed. proportional to square of rotor speed. zero. proportional to rotor speed. constant independent of speed. proportional to square of rotor speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutation in a DC machine may be explained as a process by which electric current in a coil is reversed. how alternate flux affects the main field flux. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. by which electric current in a coil is reversed. how alternate flux affects the main field flux. by virtue of which emf is induced in the armature conductors. in which magnetic field is set up. ANSWER DOWNLOAD EXAMIANS APP
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