Electrical Machines The output power indicated on the name plate of any motor is always the Power drawn in KW. Power drawn in KVA. Gross power. Output power at the shaft. Power drawn in KW. Power drawn in KVA. Gross power. Output power at the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is none. N1 : N2. 1 : 1. N12 : N22. none. N1 : N2. 1 : 1. N12 : N22. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in earthing transformer. voltage transformer. power transformer. current transformer. earthing transformer. voltage transformer. power transformer. current transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Torque and field current. Power factor and field current. Armature current and field current. Armature current and torque. Torque and field current. Power factor and field current. Armature current and field current. Armature current and torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slight curvature at the lower end of the OCC of a self excited DC generator is due to residual flux. magnetic inertia. high speed. high field resistance. residual flux. magnetic inertia. high speed. high field resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate the use of compensating winding. the use drum winding. reactance voltage produced due to communication. the use equalizer in lap winding. the use of compensating winding. the use drum winding. reactance voltage produced due to communication. the use equalizer in lap winding. ANSWER DOWNLOAD EXAMIANS APP
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