Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? decrease either increase or decrease increase None of these decrease either increase or decrease increase None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be 240 V. 256.4 V. 271.7 V. 238.2 V. 240 V. 256.4 V. 271.7 V. 238.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. None of these to carry extra load. to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? None of these pure capacitive load pure inductive load pure resistive load None of these pure capacitive load pure inductive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In escalator which motor is used? Universal motor. 1 - φ IM. DC shunt motor. 3 - φ IM. Universal motor. 1 - φ IM. DC shunt motor. 3 - φ IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is None of these lagging power factor. leading power factor. unity power factor. None of these lagging power factor. leading power factor. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
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