Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become half. one fourth. 4 times. double. half. one fourth. 4 times. double. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC series motor. DC shunt motor with field weaking control. DC compound motor. DC shunt motor with armature resistance. DC series motor. DC shunt motor with field weaking control. DC compound motor. DC shunt motor with armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 25 Hz. 100 Hz. Zero Hz. 50 Hz. 25 Hz. 100 Hz. Zero Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V2. 1 / V. V. V2. 1 / V2. 1 / V. V. V2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production None of these static induced emf. dynamically induced emf. both A and B. None of these static induced emf. dynamically induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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