Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip None of these 3.33 %. 3 %. 0 .001 %. None of these 3.33 %. 3 %. 0 .001 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Bush bearings. Cast iron bearings. None of these Ball bearings. Bush bearings. Cast iron bearings. None of these Ball bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dummy coils are used for All of these reducing armature reaction. increasing efficiency. mechanical balancing. All of these reducing armature reaction. increasing efficiency. mechanical balancing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous generator with constant steam input supplies power to an infinite bus at a lagging power factor. If the excitation is increased power angle decrease and power factor increase power angle increase and power factor decrease both power angle and power factor decrease both power angle and power factor increase power angle decrease and power factor increase power angle increase and power factor decrease both power angle and power factor decrease both power angle and power factor increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 50 Ω 10 Ω 100 Ω 0.1 Ω 50 Ω 10 Ω 100 Ω 0.1 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages all of below. uniform torque. locking tendency is reduced. less noise. all of below. uniform torque. locking tendency is reduced. less noise. ANSWER DOWNLOAD EXAMIANS APP
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