Electrical Machines In a DC machine, the angle between the stator and rotor fields is 180o. 90o. dependent upon the load. 0o. 180o. 90o. dependent upon the load. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. along neutral axis. in none of above positions. in any of above positions. along field axis. along neutral axis. in none of above positions. in any of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 45 HZ 48 Hz 48.5 Hz 50 Hz 45 HZ 48 Hz 48.5 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Centrifugal pumps Lathes. All of this. Blowers and fans. Centrifugal pumps Lathes. All of this. Blowers and fans. ANSWER DOWNLOAD EXAMIANS APP
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