Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load decreases None of these remains unaffected increases decreases None of these remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces no torque. damping torqe. eddy current torque. both 1 and 2. no torque. damping torqe. eddy current torque. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct neither 1 nor 2 both A and B ball bearings → small machines roller bearings → large machines neither 1 nor 2 both A and B ball bearings → small machines roller bearings → large machines ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. All of these bending moment due to weight of the armature. twisting strains due to transmission of torque. any unbalanced magnetic pull on the armature core. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is 0.5. near to 1. Greater than 1. 0.25. 0.5. near to 1. Greater than 1. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC shunt motor with armature resistance. DC compound motor. DC series motor. DC shunt motor with field weaking control. DC shunt motor with armature resistance. DC compound motor. DC series motor. DC shunt motor with field weaking control. ANSWER DOWNLOAD EXAMIANS APP
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