Electrical Machines If peak value of phase mmf is F max , then peak value of the rotating field caused by three phase is Fmax. (1/2)Fmax. (3/2)Fmax. 3Fmax. Fmax. (1/2)Fmax. (3/2)Fmax. 3Fmax. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects voltage but not the torque both the torque and voltage neither the voltage nor the torque torque but not the voltage voltage but not the torque both the torque and voltage neither the voltage nor the torque torque but not the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short-shunt cumulatively-compounded dc generator builds up a voltage of 220 V at no load at rated speed. If it is operated as a differentially compounded generator, other things remaining the same, it would build up 220 V more than 220 V 6 V somewhat less than 220 V 220 V more than 220 V 6 V somewhat less than 220 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 6 KVA 4 KVA 0 KVA 10 KVA 6 KVA 4 KVA 0 KVA 10 KVA 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 3.76%. 4.76%. 2.56 %. 2.57 %. 3.76%. 4.76%. 2.56 %. 2.57 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor armature conductor of length 0.5 m is exposed to a flux density of 4 Wb / m2. Calculate the force experienced by the conductor, when the armature current is 5 Amp? 20 N. 15 N. Can't be determined. None of these. 20 N. 15 N. Can't be determined. None of these. ANSWER DOWNLOAD EXAMIANS APP
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