ArcelorMittal Nippon Steel Assistant Electrical Manager Interview Questions and Answers

Q1. Transformer maintenance
Add your answer
Q2. Panel MCC PCC maintenance
Add your answer
Q3. Motor maintenance
Add your answer

Q1. Lighting maintenance
Add your answer
Q2. HT breaker maintenance
Add your answer

Q1. All control wireing and power wireing all dcs plc work going on
Add your answer
Q2. Automation rooling mill division jamshedpur
Add your answer

Q1. I am electrical engineer working on it and found in the same as par required production okay for me to get the same as the motor is overloaded due to the machine running ok but
Add your answer
Q2. Automation work
Add your answer

I am electrical engineer working on it jamshedpur jharkhand steel strips wheel limited jamshedpur jharkhand

Q1. What is Transformers, Motor, Genretor, Electric genetion
Ans. 
Transformers, motors, generators, and electric generation are essential components in electrical systems.
• Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction.

• Motors convert electrical energy into mechanical energy to drive machinery.

• Generators convert mechanical energy into electrical energy.

• Electric generation involves the process of producing electric...read more
Answered by AI
Add your answer
Q2. KVL,KCL,Thevenin Theorem,Nodal analysis
Add your answer
Q3. Can you explain what a DC motors
Ans. 
DC motors are electric motors that operate using direct current (DC) power sources.
• DC motors convert electrical energy into mechanical energy through the interaction of magnetic fields.

• They are commonly used in appliances, power tools, and electric vehicles.

• DC motors have two main types: brushed DC motors and brushless DC motors.

• Brushed DC motors use brushes to conduct current, while brushless DC motors use electronic ...read more
Answered by AI
Add your answer

Number System, coding and decoding, Analogies

Q1. What is Nodal analysis
Ans. 
Nodal analysis is a method used in electrical engineering to determine the voltage at each node in a circuit.
• Nodal analysis involves writing Kirchhoff's Current Law equations for each node in a circuit.

• It is used to analyze complex circuits with multiple nodes and voltage sources.

• The goal of nodal analysis is to determine the voltage at each node relative to a reference point, usually ground.

• It is a powerful tool for s...read more
Answered by AI
Add your answer
Q2. Explain the Transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used to step up or step down voltage levels in power distribution systems

• Commo...read more
Answered by AI
Add your answer

Q1. Machine transmission distribution
Add your answer
Q2. Electric generation
Add your answer
Q3. Electric measurement
Add your answer

Q1. Electrical engineer...
Add your answer
Q2. Plc... Electrical machine
Add your answer
Q3. Plc electrical works
Add your answer

Q1. Electrical works....plc
Add your answer
Q2. Electrical machine....
Add your answer

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
Answered by AI
Add your answer
Q2. Types of load cell
Ans. 
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.
Answered by AI
Add your answer

Q1. What is your favourite subject?
Add your answer
Q2. Different types of starter
Ans. 
Starters are used to control the starting and stopping of motors. Different types of starters are used based on the motor's power rating and application.
• Direct On-Line (DOL) Starter

• Star-Delta Starter

• Auto Transformer Starter

• Soft Starter

• Variable Frequency Drive (VFD) Starter
Answered by AI
Add your answer
Q3. Parallel operations of transformer
Ans. 
Parallel operation of transformers refers to connecting two or more transformers with the same voltage ratio and frequency to supply a common load.
• Parallel operation increases the capacity of the system and provides redundancy.

• The transformers must have the same voltage ratio, impedance, and phase angle.

• Proper synchronization is necessary to avoid circulating currents.

• Parallel operation can be achieved by using a commo...read more
Answered by AI
Add your answer

Q1. Transformers maintenance
View 1 more answer
Q2. Induction motor maintenance
Add your answer
Q3. HT and lt panel maintenance
Add your answer
Q4. VFD drive maintenance
Add your answer
Q5. W/f RTD Thermo couple calibration
Add your answer
Q6. Ster delta starter soft stater
Add your answer

Q1. Countinue my interview
Add your answer
Q2. Continue my interview
Add your answer