Dineshchandra R. Agrawal Infracon Interview Questions, Process, and Tips for Experienced

Q1. What is the process for calculating electrical load?
Ans. 
The process for calculating electrical load involves determining the total power consumption of all devices connected to a circuit or system.
• Identify all devices connected to the circuit or system

• Determine the power rating (in watts) of each device

• Calculate the total power consumption by summing up the power ratings of all devices

• Consider factors like power factor and diversity to account for variations in load
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Q2. What is the calculation process for sizing transformers and diesel generator (DG) sets?
Ans. 
Transformer and diesel generator sizing involves calculating load requirements and selecting appropriate equipment.
• Calculate total connected load to determine transformer size

• Consider future load growth when sizing transformers

• Calculate total power requirements to determine DG set size

• Factor in starting currents and power factor when sizing DG sets

• Consult manufacturer specifications for accurate sizing
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Q3. What are the different types of transformers?
Ans. 
Different types of transformers include power transformers, distribution transformers, instrument transformers, and autotransformers.
• Power transformers are used to step up or step down voltage for transmission and distribution.

• Distribution transformers are used to supply lower voltage to end-users.

• Instrument transformers are used for measuring voltage and current in high voltage systems.

• Autotransformers have a single w
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Q4. What types and sizes of cables are available in the market?
Ans. 
Various types and sizes of cables are available in the market for different electrical applications.
• Types of cables include power cables, control cables, instrumentation cables, communication cables, etc.

• Sizes of cables range from small gauge sizes like 18 AWG to larger sizes like 1000 MCM.

• Examples of cables include THHN, XHHW, Cat5e, RG6, etc.
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Q5. What are the different types of earthing?
Ans. 
Different types of earthing include plate earthing, pipe earthing, rod earthing, strip earthing, and water pipe earthing.
• Plate earthing involves burying a plate made of copper or galvanized iron in the ground.

• Pipe earthing uses a pipe made of galvanized iron to provide a low-resistance path to the ground.

• Rod earthing involves driving a metal rod into the ground to provide a connection for earthing.

• Strip earthing uses a...read more
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Q6. What are the various electrical hazards?
Ans. 
Various electrical hazards include electric shock, burns, fires, and explosions.
• Electric shock from contact with live wires or equipment

• Burns from electrical arcs or overheated equipment

• Fires caused by electrical faults or short circuits

• Explosions due to ignition of flammable materials by electrical sparks

• Injuries from falls caused by electric shock or sudden movements due to electrical hazards
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Q1. What was your designation in your previous company?
Ans. 
I was the Senior Electrical Engineer in my previous company.
• Managed a team of electrical engineers

• Responsible for designing and implementing electrical systems

• Collaborated with other departments to ensure project success
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Q2. Salary structure ?
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Q1. What is your anticipated joining date?
Ans. 
I am available to join within 2 weeks of receiving the offer letter.
• Available to join within 2 weeks of receiving offer letter

• Flexible with start date based on company needs

• Can discuss potential start date during interview process
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Q2. What is your notice period?
Ans. 
My notice period is currently one month.
• Notice period is one month

• I am required to give one month notice before leaving my current position

• I can start in one month if selected for this role
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Q1. I m not interested any questions
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Q2. I m not interested any questions
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How do you about of civil store knowledge

Q1. What are the lessons learned from the HR policy?
Ans. 
Lessons learned from HR policy include importance of clear communication, fair treatment, and consistent enforcement.
• Clear communication is essential to ensure employees understand policies and procedures.

• Fair treatment of all employees promotes a positive work environment and reduces turnover.

• Consistent enforcement of HR policies helps maintain a sense of fairness and accountability.

• Regular training and updates on HR ...read more
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