Bajaj Electricals Interview Questions, Process, and Tips

Q1. (1)Why transformers rating is in kva ?
Ans. 
Transformers rating is in kVA because it takes into account both voltage and current.
• kVA is a unit of apparent power, which is the combination of real power (measured in kW) and reactive power (measured in kVAR).

• Transformers are designed to handle a certain amount of power, and kVA rating takes into account both the voltage and current that the transformer can handle.

• For example, a transformer with a rating of 100 kVA ...read more
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Q2. What is difference between ground and earth
Ans. 
Ground is a conducting body that is used as a reference point for electrical circuits, while earth is a large conducting body that acts as a sink for electrical charges.
• Ground is a reference point for electrical circuits, while earth is a sink for electrical charges.

• Ground is a local concept, while earth is a global concept.

• Ground is a man-made concept, while earth is a natural concept.

• Ground is used to prevent electri...read more
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Q1. Technical education
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Q2. What is the motor
Ans. 
The motor is a device that converts electrical energy into mechanical energy to produce motion.
• Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.

• There are different types of motors including AC motors, DC motors, and servo motors.

• Examples of motors include electric fans, washing machine motors, and car engines.
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Q3. Synchronous motor
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Q4. Speed control of three phase induction
Ans. 
Speed of three phase induction motor can be controlled by varying the frequency of the power supply.
• Speed control of three phase induction motor is achieved by changing the frequency of the power supply.

• Lowering the frequency decreases the speed of the motor, while increasing the frequency increases the speed.

• Variable frequency drives (VFDs) are commonly used to control the speed of induction motors.

• Soft starters can a...read more
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Q5. What is the transformer types of transformer use of transformer
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Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
• Types of transformers include step-up transformers, step-down transformers, isolation transformers, auto transformers, and distribution transformers.

• Transformers are used to increase or decrease voltage levels in electrical circuits for various applications.

• Examples of transformer use inclu...read more
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Q1. ACB and VCB breakers checking work
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Q2. HT and LT motor pm work and
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Q3. 6.6kva DG trail and pm work
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Q4. Earth pit testing
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Q5. Battery pm work
Ans. 
Battery PM work involves routine maintenance tasks to ensure the proper functioning and longevity of batteries.
• Performing regular inspections to check for signs of corrosion or damage

• Cleaning battery terminals to prevent buildup of dirt and grime

• Testing battery voltage and capacity to ensure optimal performance

• Replacing batteries as needed based on manufacturer recommendations

• Implementing a preventive maintenance sched
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Any questions related to technical

Q1. Main core field
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Q2. Hardware machinery part questions
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Q1. He/she they have right to know about my technical knowledge
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Q2. He/She they must have right to know about my personal things
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Q1. I like challenging
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Q2. One on one is something that everyone will get those experience from anybody
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