Electrical Machines Which of the following DC motors has got maximum relieving property? Differentical compound. Shunt. Cummulative compound. Series. Differentical compound. Shunt. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Centrifugal switch is absent in which of the single phase induction motor? Shaded pole motor. PSC (permanent split capacitor) motor. Split phase motor. None of these Shaded pole motor. PSC (permanent split capacitor) motor. Split phase motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand All of these any unbalanced magnetic pull on the armature core. bending moment due to weight of the armature. twisting strains due to transmission of torque. All of these any unbalanced magnetic pull on the armature core. bending moment due to weight of the armature. twisting strains due to transmission of torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. continue running in the same direction as before. not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. not run. run in a direction opposite to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. sR2 = X2. R2 = sX2. R2 = s2X2. R2 = s2X2. sR2 = X2. R2 = sX2. R2 = s2X2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motors are used in food processing All of these cranes traction food processing All of these cranes traction ANSWER DOWNLOAD EXAMIANS APP