Electrical Machines The flux involved in the emf equation of a transformer has rms value. maximum value. total value. average value. rms value. maximum value. total value. average value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be less than 10% be more than 10% remain unchanged be 12.5% be less than 10% be more than 10% remain unchanged be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with Synchronous motor. Reluctance motor. Slip ring induction motor. DC shunt motor. Synchronous motor. Reluctance motor. Slip ring induction motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to 1/Ia. Ia. √Ia. Ia2. 1/Ia. Ia. √Ia. Ia2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. magnetostriction. zoom. boo. hum. magnetostriction. zoom. boo. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. Power drawn in KW. Gross power. Power drawn in KVA. Output power at the shaft. ANSWER DOWNLOAD EXAMIANS APP