Electrical Machines Which of the following is the largest conversion device? All of these Synchronous machine Induction machine DC machine All of these Synchronous machine Induction machine DC machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulation method is accurate ? MMf method ZPF method Synchronous impedance method American standard association method MMf method ZPF method Synchronous impedance method American standard association method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on reactance load angle voltage both 1and 2 reactance load angle voltage both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? decrease None of these either increase or decrease increase decrease None of these either increase or decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V, DC shunt motor is operating at a speed of 1440 rpm. The armature resistance is 1.0 Ω and armature current is 10 A. of the excitation of the machine is reduced by 10%, the extra resistance to be put in the armature circuit to maintain the same speed and torque will be 1.8 9 Ω 2 .1 Ω 3.1 Ω 1.79 Ω 1.8 9 Ω 2 .1 Ω 3.1 Ω 1.79 Ω ANSWER DOWNLOAD EXAMIANS APP
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