Jindal Stainless Electrical Engineer Interview Questions and Answers

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Q1. Technical field related questions
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Q2. HR related questions.
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Q3. AI related questions
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Q1. HR related questions
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Q1. PLC and logics,ios
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Q2. Ht,lt motor , protection and breakers
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Q1. Machine transmission distribution
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Q2. Electric generation
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Q3. Electric measurement
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Q1. Why do we improve power factor.
Ans. 
Improving power factor helps in reducing energy losses, increasing system efficiency, and reducing electricity costs.
• Improving power factor reduces the amount of reactive power flowing in the system, which in turn reduces energy losses.

• Higher power factor means more efficient use of electricity and less strain on the electrical system.

• Improving power factor can lead to reduced electricity costs for consumers and utilit...read more
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Q2. What is buccholz relay, how does it work?
Ans. 
Buccholz relay is a protective device used in oil-filled transformers to detect faults such as internal arcing or overheating.
• Buccholz relay is installed in the oil pipe connecting the transformer tank and conservator tank.

• It works based on the principle that gas is generated when a fault occurs in the transformer, causing oil level to drop and gas to accumulate in the relay.

• The relay consists of two float switches - o...read more
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Q3. What is DP in siemens communication?
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DP in Siemens communication stands for Distributed Peripherals.
• DP is a communication protocol used by Siemens for connecting distributed peripherals to a central control system.

• It allows for real-time data exchange between the peripherals and the control system.

• DP is commonly used in industrial automation applications.

• Examples of DP communication modules include DP/DP couplers and DP slaves.
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Q4. How do we communicate s7 PLC and abb drive using profibus.
Ans. 
To communicate S7 PLC and ABB drive using Profibus, you need to configure the Profibus network, set up the communication parameters, and establish the communication link.
• Configure the Profibus network by setting the correct baud rate, address, and other network parameters.

• Set up the communication parameters on both the S7 PLC and ABB drive to ensure they are compatible with each other.

• Establish the communication link b...read more
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Q1. Electrical materials
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Q2. Power system protection
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Q3. Electrical energy system
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Q4. High voltage direct current
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Q5. Electrical control system
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Q1. Electrical management
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Q1. Power factor What is vfd Difference between ac and dc motor
Ans. 
Power factor is the ratio of real power to apparent power in an AC circuit. VFD stands for Variable Frequency Drive. AC motors run on alternating current while DC motors run on direct current.
• Power factor is a measure of how effectively electrical power is being used in a circuit.

• It is calculated by dividing the real power (in watts) by the apparent power (in volt-amperes).

• A power factor of 1 indicates that all the pow...read more
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Q2. Types of load cell
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Types of load cells include strain gauge load cells, hydraulic load cells, and capacitive load cells.
• Strain gauge load cells measure the strain or deformation of a material.

• Hydraulic load cells use hydraulic fluid to measure force.

• Capacitive load cells measure changes in capacitance to determine force.

• Other types of load cells include piezoelectric load cells and pneumatic load cells.
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Q1. Transformer me dub-11 ka matalab kya hota hai
Ans. Maine btaya “d” ka matalab Maine btaya transformer ka primary winding delta connect and “y” ka matalab Maine btaya transformer ka secondary winding star me connect hoti hai and “11” ka matalab hota hai transformer ka phase angle
Answered by Pankaj Kumar Gupta
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Q2. What is thyrestor
Ans. 
A thyristor is a semiconductor device that acts as a switch and can handle high voltages and currents.
• It has three terminals: anode, cathode, and gate

• It can be turned on by applying a small current to the gate terminal

• It can handle high power and is commonly used in power control applications

• Examples include AC motor speed control, lighting dimming, and power supplies
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