Electrical Machines Eddy current loss will depends on Flux density Frequency All of these Thickness Flux density Frequency All of these Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable moisture content of power transformer insulating oil is generally taken as 45 ppm. 25 ppm. 35 ppm. 20 ppm. 45 ppm. 25 ppm. 35 ppm. 20 ppm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is ineffective. demagnetizing. magnetizing. cross – magnetizing. ineffective. demagnetizing. magnetizing. cross – magnetizing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. using a flywheel. providing damper winding in the rotor pole faces. designing the motor for adequate synchronizing power. any of above methods. using a flywheel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. to carry extra load. to interconnect three voltage systems. None of these to suppress harmonic and unbalance in voltage. to carry extra load. ANSWER DOWNLOAD EXAMIANS APP
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