Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.5. 0.1. 0.05. 1.0. 0.5. 0.1. 0.05. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will both increase both decrease increase and decrease respectively decrease and increase respectively both increase both decrease increase and decrease respectively decrease and increase respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on core loss component. shaft torque. synchronous speed. rotor speed. core loss component. shaft torque. synchronous speed. rotor speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in synchronous motor. squirrel cage induction motor. slip ring induction motor. dc shunt motor. synchronous motor. squirrel cage induction motor. slip ring induction motor. dc shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Mechanical energy is supplied to DC generator at the rate of 4200 J / s. The generator delivers 32.2 Amp at 120 V. What is the percentage efficiency of the generator? 212 V. 205 V. 201.02 V. 210 V. 212 V. 205 V. 201.02 V. 210 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? AC slip ring motor. Synchronous motor. DC series motor. Single phase induction motor. AC slip ring motor. Synchronous motor. DC series motor. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP