Electrical Machines If the air gap of IM is increased, ____________ will increase. magnetizing current. power factor. air gap flux. speed. magnetizing current. power factor. air gap flux. speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on excitation both 1and 2 synchronous reactance load angle excitation both 1and 2 synchronous reactance load angle ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on none of these. P. Z. P and Z. none of these. P. Z. P and Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Vt vs load current Vt vs Ia Eg vs Ia Eg vs load current Vt vs load current Vt vs Ia Eg vs Ia Eg vs load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. remains same. increased. kept constant to certain value. decreased. remains same. increased. kept constant to certain value. decreased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Series. Cummulative compound. Shunt. Differently compounded. Series. Cummulative compound. Shunt. Differently compounded. ANSWER DOWNLOAD EXAMIANS APP
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