Electrical Machines Slot wedges in a dc machine is made up of silicon steel. mild steel. cast iron. fibre. silicon steel. mild steel. cast iron. fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to failure of insulation between two turns of coil. failure of insulation between two commutator bars. any of above. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. failure of insulation between two commutator bars. any of above. grounding of two or more turns of the same coil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 60° 30° 10° 45° 60° 30° 10° 45° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 200 V. 115 V. 460 V. 230 V. 200 V. 115 V. 460 V. 230 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. None of these to carry extra load. to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS