Electrical Machines In a resistance split phase motor, what is the range of torque angle? 90° 0° 25° to 30° 70° to 85° 90° 0° 25° to 30° 70° to 85° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase to rated voltage and then may decrease remain nearly constant increase gradually and then stay at rated voltage decrease increase to rated voltage and then may decrease remain nearly constant increase gradually and then stay at rated voltage decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards direction of induced emf. direction of flux. opposite to the direction of motion of the conductor. direction of motion of the conductor. direction of induced emf. direction of flux. opposite to the direction of motion of the conductor. direction of motion of the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. switched reluctance motor. induction motor. variable reluctance motor. DC motor. switched reluctance motor. induction motor. variable reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be constant independent of speed. proportional to rotor speed. zero. proportional to square of rotor speed. constant independent of speed. proportional to rotor speed. zero. proportional to square of rotor speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series generator is connected in series to a feeder having 0.5Ω resistance to boost the voltage. The induced voltage is given by Eg = 0.6Ia, Ra = 0.2Ω and Rs = 0.3Ω. Find the voltage boosted by the generator, when delivering 400 Amp? 90 V. 60 V. 40 V. 30 V. 90 V. 60 V. 40 V. 30 V. ANSWER DOWNLOAD EXAMIANS APP