Dana Anand Trainee Operating Engineer Interview Questions and Answers

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Q1. What is hunting in synchronous motor , principle of synchronous motor, types of transformer
Ans. 
Hunting in synchronous motor refers to small oscillations in speed, principle involves magnetic field interaction, types of transformers include step-up and step-down.
• Hunting in synchronous motor occurs when the rotor oscillates around the synchronous speed due to sudden load changes.

• Principle of synchronous motor involves the interaction of magnetic fields between the stator and rotor to maintain synchronous speed.

• Typ...read more
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Q2. What is a construction of transformer, different types of dc motor
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction. Different types of DC motors include brushed, brushless, and stepper motors.
• Transformers consist of primary and secondary coils wrapped around a core, used to step up or step down voltage levels.

• DC motors include brushed motors, which use brushes to conduct current, brushless motors which use elect...read more
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Q3. Working of induction motor , types of starter in induction motor
Ans. 
Induction motors work on the principle of electromagnetic induction. Types of starters include DOL, star-delta, and soft starters.
• Induction motors operate based on the principle of electromagnetic induction, where a rotating magnetic field is produced by the stator winding.

• Types of starters for induction motors include Direct Online (DOL) starters, which provide full voltage to the motor at start-up.

• Star-delta starters...read more
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Q1. About your self
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Q2. Why do you want this job
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