Electrical Machines The power flow of a dc motor, with respect to a DC generator is modified. reversed. increased. none of these. modified. reversed. increased. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be about 2 V. zero. about 50 V. 220 V. about 2 V. zero. about 50 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the field winding. As a separate unit. In series with the armature winding. In parallel with the armature winding. In parallel with the field winding. As a separate unit. In series with the armature winding. In parallel with the armature winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be 6 V somewhat more than 230 V somewhat less than 230 V 230 V 6 V somewhat more than 230 V somewhat less than 230 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 340 A. 570 A. 250 A. 460 A. 340 A. 570 A. 250 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 2 to 3. 3 to 5. 1.5 to 2. 1.0. 2 to 3. 3 to 5. 1.5 to 2. 1.0. ANSWER DOWNLOAD EXAMIANS APP
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