Electrical Machines Which of the following windings are necessary in case of all dc machines? closed winding lap winding open type winding wave winding closed winding lap winding open type winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will approach zero. remain unchanged. aprroach infinity. between zero and infinity. approach zero. remain unchanged. aprroach infinity. between zero and infinity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? magnetization cross magnetization All of these demagnetization magnetization cross magnetization All of these demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. DC compound motor. DC Shunt motor. DC series motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In escalator which motor is used? 1 - φ IM. DC shunt motor. 3 - φ IM. Universal motor. 1 - φ IM. DC shunt motor. 3 - φ IM. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger output. none. larger bore diameter. both. larger output. none. larger bore diameter. both. ANSWER DOWNLOAD EXAMIANS APP
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