Electrical Machines What is the highest possible speed of turbo alternators? 3000 rpm 1500 rpm 1000 rpm 4000 rpm 3000 rpm 1500 rpm 1000 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is low. positive. zero. high. low. positive. zero. high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? both 1 and 2 rotor resistance R rotor reactance X None of these both 1 and 2 rotor resistance R rotor reactance X None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 53+j85 ohms 8+j13 ohms 3.5+j5.8 ohms 3.05+j5.08 ohms 53+j85 ohms 8+j13 ohms 3.5+j5.8 ohms 3.05+j5.08 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. both eddy current and hysteresis loss. hysteresis loss. ohmic loss. eddy current loss. both eddy current and hysteresis loss. hysteresis loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to line fault. line to ground fault. 3 - phase to ground fault. 3 - phase fault. line to line fault. line to ground fault. 3 - phase to ground fault. 3 - phase fault. ANSWER DOWNLOAD EXAMIANS APP
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