Electrical Machines Example of double excited machine is Both are correct. DC Shunt Motor Synchronous motor. None of these Both are correct. DC Shunt Motor Synchronous motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high voltage and low current applications. where greater load is connected. where constant speed is required. high current and low voltage applications. high voltage and low current applications. where greater load is connected. where constant speed is required. high current and low voltage applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? no load full load any of the above half load no load full load any of the above half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power developed by salient pole synchronous machine is/are None of these both 1 and 2 power due to saliency or reluctance only excitation power only None of these both 1 and 2 power due to saliency or reluctance only excitation power only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A transformer core is made up of a silicon steel laminations which has maximum flux density 1 Tesla. If it was cold rolled grain oriented its flux density increases to 1.6 Tesla. What is the saving in core size or area due to cold rolled grain oriented process? 60% 68% 40% 38% 60% 68% 40% 38% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Both B and C. Series motors. Shunt motors. Differential compound motors. Both B and C. Series motors. Shunt motors. Differential compound motors. ANSWER DOWNLOAD EXAMIANS APP