Electrical Machines The armature MMF waveform of a DC machine is triangular. pulsating. rectangular. sinusoidal. triangular. pulsating. rectangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a induction motor helps to reduce the chance of crawling. reduce the chance of cogging. reduce the magnetizing current. increase the starting torque. reduce the chance of crawling. reduce the chance of cogging. reduce the magnetizing current. increase the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will make noise. get over heated. not run. run normally. make noise. get over heated. not run. run normally. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? DC series motor. Single phase induction motor. AC slip ring motor. Synchronous motor. DC series motor. Single phase induction motor. AC slip ring motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? Induction motor. DC series. DC shunt. DC compound. Induction motor. DC series. DC shunt. DC compound. ANSWER DOWNLOAD EXAMIANS APP
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 one fourth. double. 4 times. half. one fourth. double. 4 times. half. ANSWER DOWNLOAD EXAMIANS APP
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