Electrical Machines The sequence of induction motor is RYB, then the direction of induction motor can be changed by which of the following sequence? RBY BYR BRY All of these RBY BYR BRY All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? Compound (cummolative). Shunt. Series. none of these. Compound (cummolative). Shunt. Series. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to two. zero. infinity. unity. two. zero. infinity. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 100Ω 50Ω 200Ω 10Ω 100Ω 50Ω 200Ω 10Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Vacuum. Oil impregnated paper. Mica. Glass. Vacuum. Oil impregnated paper. Mica. Glass. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? DC shunt motors. Either A or B. Synchronous motor. Squirrel Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. Squirrel Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP