Electrical Machines Which of the following motor is suitable for frequent starting and stoppings? Capacitor start motor Capacitor start capacitor run motor All of these Resistance split phase motor Capacitor start motor Capacitor start capacitor run motor All of these Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively large and thick large and thin less and thin less and thick large and thick large and thin less and thin less and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. √Ia. Ia2. Ia. 1/Ia. √Ia. Ia2. Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 3.33 %. None of these 3 %. 0 .001 %. 3.33 %. None of these 3 %. 0 .001 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. kept constant to certain value. remains same. increased. decreased. kept constant to certain value. remains same. increased. decreased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for both. larger bore diameter. none. larger output. both. larger bore diameter. none. larger output. ANSWER DOWNLOAD EXAMIANS APP