DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Wide speed range Low cost Stability High starting torque Wide speed range Low cost Stability High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Battery operated motor Air motor Shunt motor Series motor Battery operated motor Air motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To improve commutation None of the listed here To control the speed of machine To reduce armature reaction To improve commutation None of the listed here To control the speed of machine To reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Differentially compounded Series Shunt Cummulative compounded Differentially compounded Series Shunt Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Speed only Flux only Both flux and speed None of the listed here Speed only Flux only Both flux and speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around Rated voltage Full load Rated r.p.m. All of these Rated voltage Full load Rated r.p.m. All of these ANSWER DOWNLOAD EXAMIANS APP