Electrical Machines At stand still condition the value of slip is 0 finite value 1 infinite value 0 finite value 1 infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is reversed. none of these. modified. increased. reversed. none of these. modified. increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be 250 V. about 100 V. very small, say about 2 or 3 V. zero. 250 V. about 100 V. very small, say about 2 or 3 V. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions is a dc motor provided with compensating winding used ? 1. Wide range of speed control above normal 2. Wide range of steady load variation with no speed control 3.Wide range of rapid variation in load Select the correct answer using the codes given below : Codes : 1 and 3 1 and 2 2 and 3 1, 2 and 3 1 and 3 1 and 2 2 and 3 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through None of these both A and B. conduction process only. induction process only. None of these both A and B. conduction process only. induction process only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the middle of hv side at the phase end of lv side at the phase end of hv side at the neutral side end of hv side at the middle of hv side at the phase end of lv side at the phase end of hv side at the neutral side end of hv side ANSWER DOWNLOAD EXAMIANS APP
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