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Coal India Engineer Interview Questions and Answers

Updated 3 Jul 2018

Coal India Engineer Interview Experiences

1 interview found

Engineer Interview Questions & Answers

user image Anonymous

posted on 3 Jul 2018

I applied via Other and was interviewed before Jul 2017. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Why sharp corners are avoided in casting?
  • Ans. 

    Sharp corners are avoided in casting to prevent stress concentration and improve the overall strength and quality of the casting.

    • Sharp corners can lead to stress concentration, which can cause cracks or failure in the casting.

    • Rounded corners distribute stress more evenly, reducing the likelihood of defects.

    • Sharp corners can also create difficulties during the casting process, such as mold filling and solidification iss...

  • Answered by AI

Interview Preparation Tips

General Tips: It was held at Calcutta in year 1984.All the members were good and cooperative and I got selected too.But job freeze was immediately implemented and it took 1 year for final result. I received it on the day I was attending my 2 ND semester exam of M.Tech. and so preferred to join Itiltd which had posted me in Raebareli a nearer place to my locality turning out to be worst decision of my life.


Skills: Technical Questions, Technical Questions, Presentation Skills
Duration: 1-3 Months

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
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 

(2 Questions)

  • Q1. Hydraulic system operation explain
  • Ans. 

    Hydraulic system operation involves the use of fluid to transmit power and control machinery.

    • Hydraulic systems use a fluid, typically oil, to transmit power.

    • The system consists of a pump, valves, actuators, and fluid reservoir.

    • The pump pressurizes the fluid, which is then directed to the actuators.

    • The actuators convert the fluid pressure into mechanical force to perform work.

    • Valves control the flow and direction of the...

  • Answered by AI
  • Q2. Difference between series and parallel connection, star delta connection.
  • Ans. 

    Series and parallel connections are different ways of connecting electrical components, while star-delta connection is a method used for three-phase motors.

    • In series connection, components are connected end-to-end, creating a single path for current flow.

    • In parallel connection, components are connected side by side, creating multiple paths for current flow.

    • Series connection increases total resistance and decreases tota...

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Work experience
  • Q2. Past work experience
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Referral

Round 1 - Group Discussion 

About corruption and its impact on educational feild

Interview Preparation Tips

Interview preparation tips for other job seekers - On the other side explaining corruption is not their in field arguments were less, hence the focus on such pplwho chose that was more and interative
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. HM-250 slurry Pumps
Round 2 - Technical 

(1 Question)

  • Q1. HM-250 SLURRY PUMPS AND VPA QUESTION
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Hindalco carrier site and was interviewed before Sep 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Related to your past experience
Round 3 - HR 

(1 Question)

  • Q1. Salary and perks discussion

I applied via Naukri.com and was interviewed in Aug 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Normal question like work exp. Why u r leaving your current jobs

Interview Preparation Tips

Interview preparation tips for other job seekers - keep yourself calm and answer sincerely

I applied via Walk-in and was interviewed before Dec 2019. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. About your self
  • Q2. How to execute desputes between contractor and company
  • Ans. 

    Disputes can be resolved through negotiation, mediation, arbitration or litigation.

    • Negotiation involves discussion and compromise to reach a mutually acceptable solution.

    • Mediation involves a neutral third party who helps the parties reach a settlement.

    • Arbitration involves a neutral third party who makes a binding decision after hearing both sides.

    • Litigation involves taking the dispute to court and having a judge or jur...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain your confidence level and be positive & learning attitude

Interview Questionnaire 

2 Questions

  • Q1. Firing order in 6 cylinder engine
  • Ans. 

    The firing order in a 6 cylinder engine refers to the sequence in which each cylinder fires.

    • The firing order is determined by the engine design and is usually specified by the manufacturer.

    • It is important to follow the correct firing order to ensure proper engine performance and minimize vibrations.

    • The firing order can be found in the engine's service manual or by contacting the manufacturer.

    • For example, a common firin

  • Answered by AI
  • Q2. What is rpm turbo
  • Ans. 

    RPM turbo refers to the revolutions per minute of a turbocharger, which measures how fast the turbocharger's turbine is spinning.

    • RPM turbo is a measure of the speed at which a turbocharger's turbine is rotating

    • It indicates the efficiency and power output of the turbocharger

    • Higher RPM turbo values generally result in increased boost pressure and engine performance

    • For example, a turbo with an RPM turbo of 10,000 would sp

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. Brief about your current profile.
Round 3 - HR 

(1 Question)

  • Q1. What is the reason for change

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