Electrical Machines Larger values of air flux density is taken while designing IM for both. larger bore diameter. none. larger output. both. larger bore diameter. none. larger output. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? both A and B (1-K) × input power K × input power None of these both A and B (1-K) × input power K × input power None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects neither the voltage nor the torque voltage but not the torque both the torque and voltage torque but not the voltage neither the voltage nor the torque voltage but not the torque both the torque and voltage torque but not the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. sR2 = X2. R2 = s2X2. R2 = sX2. R2 = s2X2. sR2 = X2. R2 = s2X2. R2 = sX2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will worsen and terminal voltage will fall improve and terminal voltage will rise . worsen and terminal voltage will rise. improve but terminal voltage will fall. worsen and terminal voltage will fall improve and terminal voltage will rise . worsen and terminal voltage will rise. improve but terminal voltage will fall. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. rating. efficiency. percentage impedance. leakage reactance. rating. efficiency. percentage impedance. ANSWER DOWNLOAD EXAMIANS APP
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