Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. No load. Low load. Full load. None of these. No load. Low load. Full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Ward Leonard control. Any of above method. Rheostatic control. None of above. Ward Leonard control. Any of above method. Rheostatic control. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor aids applied voltage. regulates its armature voltage. exceeds supply voltage helps in energy conversion. aids applied voltage. regulates its armature voltage. exceeds supply voltage helps in energy conversion. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to V2. 1 / V. 1 / V2. V. V2. 1 / V. 1 / V2. V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is magnetizing. demagnetizing. cross – magnetizing. ineffective. magnetizing. demagnetizing. cross – magnetizing. ineffective. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. about 50 V. 220 V. about 2 V. zero. about 50 V. 220 V. about 2 V. ANSWER DOWNLOAD EXAMIANS APP
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