Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at throughout the air gap. interpole region. None of these region under main pole. throughout the air gap. interpole region. None of these region under main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.56 %. 4.76%. 2.57 %. 3.76%. 2.56 %. 4.76%. 2.57 %. 3.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the synchronous reactance of alternators in which a given field current of 200 A on short circuit and a generated emf of 50 V on open circuit. Armature resistance is 0.1 ohm 0.5Ω. 0.23Ω. 0.25Ω. 1Ω. 0.5Ω. 0.23Ω. 0.25Ω. 1Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. emf with concentrated winding to emf with distributed winding. emf with distributed winding to emf with concentrated winding. None of these both 1 and 2. emf with concentrated winding to emf with distributed winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is 0 1 finite value infinite value 0 1 finite value infinite value ANSWER DOWNLOAD EXAMIANS APP