Electrical Machines In an alternator the voltage generated per phase is proportional to frequency of waveform. All of these number of turns in coil. flux per pole. frequency of waveform. All of these number of turns in coil. flux per pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. stainless steel. silicon steel. aluminium. closed grained cast iron. stainless steel. silicon steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards opposite to the direction of motion of the conductor. direction of induced emf. direction of motion of the conductor. direction of flux. opposite to the direction of motion of the conductor. direction of induced emf. direction of motion of the conductor. direction of flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a DC Shunt motor if the load is decreased to some extent, what will happen to its speed? The speed will remains almost constant. The speed will increase abruptly. The speed will increase gradually. The speed will increase in proportion to reduction in load. The speed will remains almost constant. The speed will increase abruptly. The speed will increase gradually. The speed will increase in proportion to reduction in load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages all of below. less noise. uniform torque. locking tendency is reduced. all of below. less noise. uniform torque. locking tendency is reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to both 1 and 2. decrease the load current. increase the load current. suppress the hunting. both 1 and 2. decrease the load current. increase the load current. suppress the hunting. ANSWER DOWNLOAD EXAMIANS APP
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