Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be zero. very small, say about 2 or 3 V. 250 V. about 100 V. zero. very small, say about 2 or 3 V. 250 V. about 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. 90o. 0o. Greater than 90o. less than 90o. 90o. 0o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is none of these. armature. core. magnetic field poles. none of these. armature. core. magnetic field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of triangular. trapezoidal. sinusoidal. rectangular. triangular. trapezoidal. sinusoidal. rectangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1000 rpm 750 rpm 1500 rpm 3000 rpm 1000 rpm 750 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 a positive finite value ∞ a finite negative value 0 a positive finite value ∞ a finite negative value ANSWER DOWNLOAD EXAMIANS APP
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