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Wave Infratech Engineer Interview Questions, Process, and Tips

Updated 12 Oct 2024

Wave Infratech Engineer Interview Experiences

1 interview found

Engineer Interview Questions & Answers

user image Anonymous

posted on 12 Oct 2024

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

(2 Questions)

  • Q1. What is aur circuit breaker
  • Ans. 

    A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by excess current.

    • A circuit breaker automatically interrupts the flow of electricity when it detects an overload or short circuit.

    • It can be reset manually after tripping to restore power to the circuit.

    • Common types include thermal-magnetic, magnetic, and thermal circuit breakers.

    • Examples include miniature circuit brea...

  • Answered by AI
  • Q2. What is star delta starter
  • Ans. 

    A star delta starter is a type of reduced voltage starter used to reduce the starting current of induction motors.

    • Consists of a star contactor and a delta contactor

    • Initially starts the motor in star configuration to reduce current

    • Switches to delta configuration once motor reaches a certain speed

    • Used for large induction motors to prevent high starting currents

    • Commonly used in industries like manufacturing and mining

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is vaccum circuit breaker
  • Ans. 

    A vacuum circuit breaker is an electrical switch that uses a vacuum to extinguish the arc when the circuit is broken.

    • Uses a vacuum to extinguish the arc

    • Commonly used in medium voltage applications

    • Compact and reliable design

    • Does not require any maintenance

  • Answered by AI
  • Q2. What is transformers
  • Ans. 

    Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.

    • Transformers consist of two coils of wire, known as the primary and secondary coils.

    • They work on the principle of electromagnetic induction, where a changing current in the primary coil induces a voltage in the secondary coil.

    • Transformers are used to step up or step down voltage levels in e...

  • Answered by AI
Round 3 - Technical 

(2 Questions)

  • Q1. What is Diesel generators
  • Ans. 

    Diesel generators are backup power sources that use diesel fuel to generate electricity during power outages.

    • Diesel generators are commonly used in industrial settings, hospitals, data centers, and residential homes.

    • They are reliable and efficient sources of backup power.

    • Diesel generators require regular maintenance and fuel supply to ensure proper functioning.

    • Examples of diesel generator brands include Caterpillar, Cu

  • Answered by AI
  • Q2. What is untreatable power supply
  • Ans. 

    Untreatable power supply refers to a power source that cannot be fixed or repaired.

    • Untreatable power supply may be caused by irreparable damage to the power source components.

    • It may also refer to a power source that is obsolete and no longer supported by manufacturers.

    • In some cases, the cost of repairing the power supply may be higher than replacing it with a new one.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Past work experience and some technical work related questions

Interview Questionnaire 

1 Question

  • Q1. About my previous organization and working areas

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview will be held in site only , if you have working experience it is very easy to creak interview . Ensure only inside lot of politics are there.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is tiling process
  • Q2. As per work poliy and methods telling all the process

I applied via Referral and was interviewed in Apr 2021. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Single Line Diagram of STP, it's operation and it's working
  • Ans. 

    STP is a wastewater treatment plant that uses physical, chemical, and biological processes to remove pollutants from sewage.

    • STP receives sewage from households and industries through a network of underground pipes.

    • The sewage is screened to remove large objects and then sent to a grit chamber to remove sand and grit.

    • The sewage is then sent to a primary clarifier where solids settle to the bottom and are removed as sludg...

  • Answered by AI
  • Q2. Transformer working and it's safety
  • Ans. 

    Transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

    • Transformers work on the principle of electromagnetic induction.

    • They consist of two or more coils of wire called windings.

    • The primary winding is connected to the input voltage source, while the secondary winding is connected to the load.

    • When an alternating current flows through the primary...

  • Answered by AI
  • Q3. DG sets safety and it's operation
  • Ans. 

    DG sets safety and operation are crucial for uninterrupted power supply.

    • DG sets should be installed in a well-ventilated area to avoid carbon monoxide poisoning.

    • Regular maintenance and testing of DG sets are necessary to ensure their safe operation.

    • Proper grounding and earthing of DG sets are essential to prevent electrical hazards.

    • Emergency stop buttons and alarms should be installed to shut down the DG sets in case o...

  • Answered by AI
  • Q4. Soft skills, making PPT, DMR, MMR
  • Q5. Load Management & balancing

Interview Preparation Tips

Interview preparation tips for other job seekers - Be calm, listen carefully and give point to point answers

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Intrudes your self.
  • Q2. Tell me about your skill

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall good, all about intrudes myself. Describe my work experience. Telling all my technical skills.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 

(1 Question)

  • Q1. All related your experience
Round 3 - HR 

(1 Question)

  • Q1. Hr type question
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Estimation and budget related
Round 2 - Technical 

(1 Question)

  • Q1. Basic process follows while billing and budgeting
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiations
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.

Round 1 - One-on-one 

(6 Questions)

  • Q1. Use of shunt relay in acb.
  • Ans. 

    A shunt relay in an ACB is used to provide protection against overcurrents by diverting excess current away from the main circuit.

    • Shunt relay is connected in parallel with the main circuit of the ACB.

    • It detects overcurrents and activates to divert the excess current through a shunt path.

    • This helps in protecting the main circuit from damage due to overcurrents.

    • Shunt relays are commonly used in Air Circuit Breakers (ACBs...

  • Answered by AI
  • Q2. What is coc in hvac.
  • Ans. 

    CoC in HVAC stands for Certificate of Conformance, which is a document certifying that a product meets specified requirements.

    • CoC in HVAC is a Certificate of Conformance that ensures a product meets specific requirements.

    • It is often required in HVAC projects to ensure quality and compliance.

    • CoC may include details such as product specifications, testing results, and manufacturer information.

  • Answered by AI
  • Q3. What is Biological oxygen demand and Carbonic oxygen demand in STP Plant.
  • Ans. 

    Biological oxygen demand (BOD) and Chemical oxygen demand (COD) are important parameters in wastewater treatment plants.

    • Biological oxygen demand (BOD) is a measure of the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material in water.

    • Carbonaceous oxygen demand (COD) is a measure of the amount of oxygen required to oxidize all the organic and inorganic matter in water.

    • BOD is a ...

  • Answered by AI
  • Q4. What is voltage monitoring relay.
  • Ans. 

    A voltage monitoring relay is a device that monitors voltage levels and triggers an alarm or protective action if the voltage exceeds or falls below a set threshold.

    • Monitors voltage levels in electrical systems

    • Triggers alarm or protective action if voltage exceeds or falls below set threshold

    • Used to protect equipment from damage due to voltage fluctuations

  • Answered by AI
  • Q5. Working principle of wtp plant.
  • Ans. 

    WTP plant works on the principle of physical and chemical processes to remove impurities from water.

    • Water enters the plant and goes through processes like coagulation, flocculation, sedimentation, filtration, and disinfection.

    • Coagulation involves adding chemicals to water to make impurities clump together.

    • Flocculation helps in forming larger particles called floc for easier removal.

    • Sedimentation allows the floc to sett...

  • Answered by AI
  • Q6. What is your daily and monthly Reports.
  • Ans. 

    I provide daily and monthly reports on project progress, issues, and key metrics to track performance.

    • Daily reports include updates on tasks completed, challenges faced, and plans for the next day.

    • Monthly reports summarize overall progress, budget status, and any potential risks or delays.

    • Reports may also include key performance indicators (KPIs) such as project milestones achieved, budget variance, and resource utiliz...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - keep mind relax interview time. And focus your daily work activities .
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral

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 - HR 

(1 Question)

  • Q1. Introduction, previous experience
Round 3 - Technical 

(1 Question)

  • Q1. Past experience and rates

Interview Preparation Tips

Interview preparation tips for other job seekers - Pressure will be more, since i worked in engineering team compare to others contracts department will be feeling the pressure more

Wave Infratech Interview FAQs

How many rounds are there in Wave Infratech Engineer interview?
Wave Infratech interview process usually has 3 rounds. The most common rounds in the Wave Infratech interview process are Technical.
How to prepare for Wave Infratech Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Wave Infratech. The most common topics and skills that interviewers at Wave Infratech expect are Planning Engineering.
What are the top questions asked in Wave Infratech Engineer interview?

Some of the top questions asked at the Wave Infratech Engineer interview -

  1. What is untreatable power sup...read more
  2. What is aur circuit brea...read more
  3. What is star delta star...read more

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Wave Infratech Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Wave Infratech Engineer Salary
based on 6 salaries
₹3.2 L/yr - ₹4.2 L/yr
32% less than the average Engineer Salary in India
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4.5/5

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