Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. starting torque. maximum torque. none. electromagnetic torque. starting torque. maximum torque. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 100W 1000W 500W 3000W 100W 1000W 500W 3000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. 218.5 volt. 120 volt. None of these. 220.4 volt. 218.5 volt. 120 volt. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machine armature windings are placed on rotor because of the necessity for commutation. electromechanical energy conversion. development of torque. generation of voltage. commutation. electromechanical energy conversion. development of torque. generation of voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 a finite negative value a positive finite value ∞ 0 a finite negative value a positive finite value ∞ 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 %. 2.57 %. 4.76%. 3.76%. 2.56 %. 2.57 %. 4.76%. 3.76%. ANSWER DOWNLOAD EXAMIANS APP
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