Electrical Machines In case of IM the torque is inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. inversely proportional to √slip. directly proportional to slip2. inversely proportional to slip. directly proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Remain unaltered. Increase. Reduce. Oscillate around the normal speed. Remain unaltered. Increase. Reduce. Oscillate around the normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor electromagnetic torque developed is Proportional to the square of armature current. Proportional to the armature current. Inversely proportional to the armature current. None of above. Proportional to the square of armature current. Proportional to the armature current. Inversely proportional to the armature current. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in None of these either of these series motors shunt motors None of these either of these series motors shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? Field winding resistance should be less than critical resistance. Field winding should be properly connected to armature winding. All of these Poles should contain residual flux. Field winding resistance should be less than critical resistance. Field winding should be properly connected to armature winding. All of these Poles should contain residual flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be parallel. series. no resistance is connected. any one of the connection. parallel. series. no resistance is connected. any one of the connection. ANSWER DOWNLOAD EXAMIANS APP
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