Electrical Machines Which motor cannot be started on no load? shunt motors both B and C cumulative compound motors series motors shunt motors both B and C cumulative compound motors series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in computer printers traction All of these food processing computer printers traction All of these food processing ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to any of these. over excitation. heating. vibrations. any of these. over excitation. heating. vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means minimum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.5. 1.8. 1.2. 1.4. 1.5. 1.8. 1.2. 1.4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. none of these. Both AC to DC and DC to AC. AC to DC. high voltage DC to low voltage DC. none of these. Both AC to DC and DC to AC. AC to DC. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS