Electrical Machines What is power factor of a 3 - φ induction motor at no load? Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. High. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called slip. cogging. crawling. skewing. slip. cogging. crawling. skewing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature of DC machine is made of non-ferrous material. conducting material. insulating material. silicon steel. non-ferrous material. conducting material. insulating material. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 3/2 times maximum value of flux due to any phase 1/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where the load is very high. Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. Where the load is very high. Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where often load fluctuation is occurred. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. differential compounded. over compounded. under-compounded. shunt. differential compounded. over compounded. under-compounded. shunt. ANSWER DOWNLOAD EXAMIANS APP