Electrical Machines Hopkinss test in DC motor is conducted at ? Low load. No load. Full load. None of these. Low load. No load. Full load. None of these. 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 DC Series Motor DC Shunt Motor Compound Wound DC Motor Separately Excited DC Motor DC Series Motor DC Shunt Motor Compound Wound DC Motor Separately Excited DC Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 2 point starter 4 point starter All of these 3 point starter 2 point starter 4 point starter All of these 3 point starter ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives copper loss hysteresis loss eddy current loss both 1and 2 copper loss hysteresis loss eddy current loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all bright lamp method. all dark lamp method. one dark two bright. all of these. all bright lamp method. all dark lamp method. one dark two bright. all of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will both decrease decrease and increase respectively increase and decrease respectively both increase both decrease decrease and increase respectively increase and decrease respectively both increase ANSWER DOWNLOAD EXAMIANS APP