Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 0o. less than 90o. 90o. Greater than 90o. 0o. less than 90o. 90o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to any of these. heating. over excitation. vibrations. any of these. heating. over excitation. vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque Compound Wound DC Motor Separately Excited DC Motor DC Series Motor DC Shunt Motor Compound Wound DC Motor Separately Excited DC Motor DC Series Motor DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The no load and full load speed of DC motor are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor ? 15.30%. 18.25%. 16.67%. 14.28%. 15.30%. 18.25%. 16.67%. 14.28%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on P and Z. none of these. P. Z. P and Z. none of these. P. Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? Induction machine DC machine All of these Synchronous machine Induction machine DC machine All of these Synchronous machine ANSWER DOWNLOAD EXAMIANS APP