Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. in none of above positions. along neutral axis. in any of above positions. along field axis. in none of above positions. along neutral axis. in any of above positions. 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%. 2.57 %. 2.56 %. 4.76%. 3.76%. 2.57 %. 2.56 %. 4.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Ampere law. Fleming's right hand rule. Fleming's left hand rule. Lenz's law. Ampere law. Fleming's right hand rule. Fleming's left hand rule. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is 60 V. 40 V. 20 V. 0 V. 60 V. 40 V. 20 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a both are correct. convection machine. none of above are correct. conduction machine. both are correct. convection machine. none of above are correct. conduction machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor Full load speed. Full load current. None of these. Full load torque. Full load speed. Full load current. None of these. Full load torque. ANSWER DOWNLOAD EXAMIANS APP
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