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Voltech C&I Engineer Interview Questions and Answers

Updated 19 Jun 2024

Voltech C&I Engineer Interview Experiences

1 interview found

C&I Engineer Interview Questions & Answers

user image Anonymous

posted on 19 Jun 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(2 Questions)

  • Q1. How many c&I instrument in work? Describe.
  • Ans. 

    The number of C&I instruments in work varies depending on the project requirements and scope.

    • The number of C&I instruments can range from a few dozen to several hundred in a typical industrial project.

    • These instruments include sensors, transmitters, controllers, recorders, and final control elements.

    • Examples of C&I instruments include pressure transmitters, temperature sensors, flow meters, level switches, and control

  • Answered by AI
  • Q2. Different between Rtd & thermocoupler? And his type work.
  • Ans. 

    RTD measures temperature using the resistance change of a metal, while thermocouples measure temperature using the voltage generated at the junction of two different metals.

    • RTD stands for Resistance Temperature Detector, while thermocouple is a temperature sensor made of two different metals.

    • RTDs are more accurate and stable compared to thermocouples.

    • RTDs have a linear relationship between resistance and temperature, w...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - All instruments prepair and talk to varries knowledge.

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Mar 2024.

Round 1 - Technical 

(5 Questions)

  • Q1. Who RTD works? How to calculate temperature using RTD?
  • Ans. 

    RTDs measure temperature by correlating resistance changes in a metal with temperature variations.

    • RTD stands for Resistance Temperature Detector.

    • RTDs typically use pure platinum due to its stable resistance-temperature relationship.

    • The resistance of an RTD increases with temperature, following a known curve.

    • Common RTD configurations include 2-wire, 3-wire, and 4-wire setups for accuracy.

    • To calculate temperature, use th...

  • Answered by AI
  • Q2. How thermocouple works?
  • Ans. 

    A thermocouple is a temperature sensor that generates voltage based on the Seebeck effect between two different metals.

    • Consists of two dissimilar metal wires joined at one end.

    • When heated, a voltage is generated proportional to the temperature difference.

    • Common types include Type K (Chromel-Alumel) and Type J (Iron-Constantan).

    • Used in various applications like industrial processes, HVAC systems, and ovens.

    • Can measure a...

  • Answered by AI
  • Q3. What are the interlocks of boiler?
  • Ans. 

    Boiler interlocks ensure safe operation by preventing unsafe conditions through automated controls and safety mechanisms.

    • Low Water Level Interlock: Prevents boiler operation if water level is too low to avoid overheating.

    • High Pressure Interlock: Shuts down the boiler if pressure exceeds safe limits to prevent explosions.

    • Flame Failure Interlock: Stops fuel supply if the flame goes out, preventing unburned fuel accumulat...

  • Answered by AI
  • Q4. How different type of flow transmitter works
  • Ans. 

    Flow transmitters measure fluid flow rates using various principles like differential pressure, electromagnetic, and ultrasonic methods.

    • Differential Pressure Flow Transmitters: Measure pressure drop across an orifice plate; commonly used in oil and gas industries.

    • Electromagnetic Flow Meters: Utilize Faraday's law of electromagnetic induction; ideal for conductive fluids like water.

    • Ultrasonic Flow Meters: Use sound wave...

  • Answered by AI
  • Q5. How load cell works

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are willing to work as told by management then you can join thermax FTC otherwise they will throw you to any of the remote side of thermax O&M.

I was interviewed in Nov 2016.

Interview Questionnaire 

1 Question

  • Q1. 1.Difference between the cloud computing and grid computing 2.Differnece between IAAS and SAAS. 3. To write java app components on the project that I had done. Some questions on SQL and HTML
  • Ans. 

    Cloud computing is a network of remote servers hosted on the internet to store, manage, and process data, while grid computing is a distributed computing model that relies on a network of computers to work together on a task.

    • Cloud computing provides on-demand access to a shared pool of configurable computing resources, while grid computing involves the coordination of disparate resources to solve a complex problem.

    • In c...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: It's an one and half hour test with 30 quant, 30 logical and 30 questions on English grammar
Duration: 1 hour 30 minutes
Total Questions: 90

Round: Technical Interview
Experience: They ask you to introduce yourself. Once you have explained the projects you have done, they ask some questions related to it. They check the depth of understanding on the project with some similar related technologies that can be used with the project.
Tips: To have complete understanding of the project you mention with some related technologies that can be used with your project.

College Name: RV College Of Engineering, Bangalore

Skills evaluated in this interview

I applied via Referral and was interviewed before Jun 2020. There was 1 interview round.

Interview Questionnaire 

10 Questions

  • Q1. Transmission voltage of 11 kv is normally used for distances up to...km
  • Q2. What is the maximum range of voltage rating for belted cables are in used?
  • Ans. 

    The maximum range of voltage rating for belted cables varies depending on the specific application and industry standards.

    • The voltage rating of belted cables can range from low voltage (LV) to high voltage (HV).

    • LV belted cables typically have a voltage rating of up to 1 kV.

    • HV belted cables can have voltage ratings ranging from 1 kV to several hundred kilovolts (kV).

    • The exact voltage rating of belted cables is determine...

  • Answered by AI
  • Q3. The distribution systems are mostly used in India
  • Q4. Conventional flow assumes charges flow from
  • Ans. 

    Conventional flow assumes charges flow from positive to negative terminals.

    • Conventional flow is based on the assumption that current flows from positive to negative terminals.

    • This convention is used in electrical engineering and circuit analysis.

    • For example, in a battery-powered circuit, conventional flow assumes that electrons flow from the positive terminal of the battery to the negative terminal.

  • Answered by AI
  • Q5. How much torque a synchronous motor can develop?
  • Ans. 

    The torque a synchronous motor can develop depends on its size and design.

    • The torque is directly proportional to the current supplied to the motor.

    • The torque also depends on the strength of the magnetic field produced by the rotor.

    • Larger synchronous motors can develop higher torque than smaller ones.

    • For example, a 500 kW synchronous motor can develop a torque of around 1500 Nm.

    • The torque can also be affected by factors

  • Answered by AI
  • Q6. An underground system cannot be operated above
  • Q7. What can protect a cable against mechanical enjury?
  • Ans. 

    Cable protectors can safeguard cables against mechanical injury.

    • Cable protectors can be used to cover and shield cables from physical damage.

    • Flexible conduits or cable trays can be installed to provide a protective pathway for cables.

    • Using cable ties or clamps to secure cables in place can prevent them from being accidentally pulled or strained.

    • Applying cable armor or armored cables can provide additional protection ag...

  • Answered by AI
  • Q8. Earth wire or ground wire is made of
  • Ans. 

    The earth wire or ground wire is typically made of copper or aluminum.

    • The earth wire is an essential safety component in electrical systems.

    • It is used to provide a path for electrical current to safely discharge into the ground.

    • Copper is commonly used for earth wires due to its excellent conductivity and corrosion resistance.

    • Aluminum is also used in some cases, especially for overhead power lines.

    • The earth wire is usua...

  • Answered by AI
  • Q9. Average resistance of a human body is
  • Ans. 

    The average resistance of a human body is approximately 1,000 ohms.

    • The resistance of a human body can vary depending on factors such as skin moisture, contact area, and voltage applied.

    • Dry skin has higher resistance compared to moist skin.

    • The resistance can be affected by the presence of sweat, water, or other conductive substances on the skin.

    • The resistance decreases when the contact area between the body and a conduc...

  • Answered by AI
  • Q10. The main function of fuse is to

Interview Preparation Tips

Interview preparation tips for other job seekers - Before going to an engineering interview, it may be helpful to know what type of questions the hiring manager may ask. Being prepared before you go will keep your confidence level high and give you a better chance of securing the job. It’s wise to research the company before the interview and take your resume and notes with you.

Interview Questionnaire 

2 Questions

  • Q1. Asked me questions with motor and ac genrator
  • Q2. Genrator and motor related questions

Interview Preparation Tips

Interview preparation tips for other job seekers - I am taking about Hindi and english language.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Approached by Company and was interviewed in Sep 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Gate level questions

Round 2 - Group Discussion 

Recently all topics covered about the technology

Round 3 - HR 

(2 Questions)

  • Q1. Self introduction
  • Q2. Family background
Round 4 - Technical 

(2 Questions)

  • Q1. Beee all questions
  • Q2. Specific designation related questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. College project

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest
Interview experience
3
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Electrical regarding
  • Q2. Testing of HT LT panel
  • Ans. 

    Testing of HT LT panel involves various procedures to ensure its functionality and safety.

    • Testing of HT LT panel includes visual inspection for any physical damage or loose connections.

    • Functional testing is performed to check the operation of various components such as circuit breakers, relays, meters, etc.

    • Insulation resistance testing is conducted to verify the insulation integrity of the panel.

    • High voltage testing is...

  • Answered by AI

I applied via Recruitment Consulltant and was interviewed in Feb 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Types of cooling towers
  • Ans. 

    Cooling towers are used to remove heat from a process by evaporating water.

    • Natural draft cooling towers

    • Mechanical draft cooling towers

    • Crossflow cooling towers

    • Counterflow cooling towers

  • Answered by AI
  • Q2. There types of cooling towers 1. Natural draught cooling tower 2. Forced draught cooling tower 3. Induced draught cooling tower
  • Ans. 

    There are three types of cooling towers: natural draught, forced draught, and induced draught.

    • Natural draught cooling towers use the natural convection of air to cool water.

    • Forced draught cooling towers use fans to force air through the tower.

    • Induced draught cooling towers use fans to draw air through the tower.

    • The choice of cooling tower type depends on factors such as the size of the plant, the cooling requirements, ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I have need a job I'm mechanical diploma holder
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Types of MCB ??
  • Ans. 

    Miniature Circuit Breaker (MCB) is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.

    • Types of MCB include single pole MCB, double pole MCB, triple pole MCB, and four pole MCB

    • MCBs can also be classified based on their breaking capacity, such as B, C, D, and K types

    • Some examples of MCB manufacturers are Schneider Electric, Siemens, ABB, and Legrand

  • Answered by AI

Voltech Interview FAQs

How many rounds are there in Voltech C&I Engineer interview?
Voltech interview process usually has 1 rounds. The most common rounds in the Voltech interview process are Technical.
What are the top questions asked in Voltech C&I Engineer interview?

Some of the top questions asked at the Voltech C&I Engineer interview -

  1. How many c&I instrument in work? Descri...read more
  2. Different between Rtd & thermocoupler? And his type wo...read more

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Voltech C&I Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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