Jaya Hind Industries Electrical Maintenance Engineer Interview Questions and Answers

Q1. What is induction motor
Ans. 
An induction motor is an AC electric motor in which power is supplied to the rotor by electromagnetic induction.
• Induction motors are widely used in various applications, including industrial machinery, appliances, and transportation systems.

• They work on the principle of electromagnetic induction, where a rotating magnetic field is created in the stator, inducing current in the rotor.

• The rotor of an induction motor can ...read more
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Q2. Types of sensor
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Sensors are devices that detect and respond to physical inputs or changes in the environment.
• Temperature sensors measure the heat or coldness of an object or environment.

• Pressure sensors measure the force exerted on a surface.

• Proximity sensors detect the presence or absence of an object within a certain range.

• Motion sensors detect movement or changes in position.

• Light sensors measure the intensity or presence of light.

• ...read more
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Self Introduction and communication English

Q1. Transformer breaker related questions, AC/DC Motors starters, Hardware circuits and PLC logics relay consupt , injuction moulding related questions
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Q1. Describe your education and qualifications
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Q1. Intro yourself Qualifications Work detail
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Q1. Self introduction. About experience.
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Q1. Motor types. Transformers. Plc.
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Q1. Discuss about package.
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Q1. What is a synchronisation panel for DG?
Ans. 
A synchronisation panel for DG is used to synchronize multiple generators to ensure they are running in parallel and sharing the load evenly.
• Synchronisation panels are used in situations where multiple diesel generators need to be connected in parallel to supply power to a common bus.

• The panel monitors the frequency, voltage, and phase angle of each generator and ensures they are synchronized before connecting them to ...read more
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Q2. What is Pulse width in laser ?
Ans. 
Pulse width in laser refers to the duration of time that a laser beam is emitted.
• Pulse width is measured in seconds or milliseconds.

• It determines the amount of energy delivered by the laser beam.

• Shorter pulse widths are often used for precision cutting or welding.

• Longer pulse widths are used for applications like material processing or drilling.
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Q3. What is BDV of Transformer oil?
Ans. 
BDV stands for Breakdown Voltage. It is a measure of the dielectric strength of transformer oil.
• BDV is the voltage at which the insulation between two conductors breaks down.

• It is an important parameter to determine the quality of transformer oil.

• BDV is usually measured in kilovolts (kV).

• Higher BDV indicates better quality and higher dielectric strength of the oil.
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Q4. How RTCC panel works?
Ans. 
RTCC panel stands for Remote Tap Changing Control panel, used in power transformers to automatically adjust the voltage ratio.
• RTCC panel monitors the load and voltage levels of the transformer.

• It automatically adjusts the tap changer to maintain the desired voltage ratio.

• RTCC panel can be programmed to operate based on specific parameters like load current, temperature, etc.

• It helps in optimizing the transformer perfor...read more
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Q1. About background , why you leave from previous company, why you want to join our company.
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