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Diffusion Engineers Mechanical Maintenance Engineer Interview Questions and Answers

Updated 10 Oct 2023

Diffusion Engineers Mechanical Maintenance Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Sep 2023. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Which oil use Hydraulic system ?
  • Ans. 

    Various types of oils can be used in hydraulic systems, including mineral oil, synthetic oil, and biodegradable oil.

    • Mineral oil is commonly used in hydraulic systems due to its cost-effectiveness and compatibility with most systems.

    • Synthetic oil is used in high-performance hydraulic systems for better temperature resistance and longevity.

    • Biodegradable oil is used in environmentally sensitive areas to reduce the impact

  • Answered by AI
  • Q2. Which valve use in hydraulic system ?
  • Ans. 

    Various types of valves are used in hydraulic systems, including directional control valves, pressure control valves, flow control valves, and check valves.

    • Directional control valves are used to control the direction of fluid flow in the system.

    • Pressure control valves are used to regulate the pressure within the system.

    • Flow control valves are used to control the flow rate of the fluid in the system.

    • Check valves are use...

  • Answered by AI

Interview questions from similar companies

I applied via Approached by Company and was interviewed before May 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Basic hydraulic symbols

Interview Preparation Tips

Interview preparation tips for other job seekers - This is worst management don't join this company.
No any career growth once joined this company
Interview process is basic hydraulic symbols only.

Service Engineer Interview Questions & Answers

Liebherr user image SMRITI KISHOR DAS

posted on 18 Apr 2022

I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Basics Hydraulics, Basic electrical, Sensors, PLC
Round 2 - HR 

(8 Questions)

  • Q1. What are your strengths and weaknesses?
  • Q2. Why are you looking for a change?
  • Q3. Why should we hire you?
  • Q4. What are your salary expectations?
  • Q5. What is your family background?
  • Q6. Share details of your previous job.
  • Q7. Where do you see yourself in 5 years?
  • Q8. Tell me about yourself.

Interview Preparation Tips

Topics to prepare for Liebherr Service Engineer interview:
  • Hydraulics
Interview preparation tips for other job seekers - Keep motivated yourself whatever the situation is.

Interview Questionnaire 

5 Questions

  • Q1. Tell me about yourself?
  • Ans. 

    I am a Service Engineer with expertise in troubleshooting and repairing complex machinery.

    • Experienced in diagnosing and resolving technical issues in industrial equipment

    • Proficient in using diagnostic tools and software to identify problems

    • Skilled in performing maintenance and repairs on various types of machinery

    • Strong problem-solving and communication skills

    • Ability to work independently and under pressure

    • Example: Suc...

  • Answered by AI
  • Q2. Why hydraulics Ram has different speed in head side and rod Side?
  • Ans. 

    The speed difference in a hydraulic ram is due to the difference in effective areas on the head side and rod side.

    • The head side of the ram has a larger effective area, resulting in slower speed.

    • The rod side of the ram has a smaller effective area, resulting in faster speed.

    • This speed difference is a result of the hydraulic pressure acting on different areas.

    • The speed ratio between the head side and rod side can be calc...

  • Answered by AI
  • Q3. What is the purpose of pressure relief valve?
  • Ans. 

    A pressure relief valve is used to protect equipment and systems from excessive pressure by releasing the pressure when it exceeds a certain limit.

    • Prevents damage to equipment and systems

    • Ensures safety of personnel

    • Maintains system integrity

    • Prevents explosions or ruptures

    • Relieves excess pressure by opening and releasing fluid or gas

    • Commonly used in boilers, pressure vessels, pipelines, and hydraulic systems

  • Answered by AI
  • Q4. What is orifice?
  • Ans. 

    An orifice is a small opening or hole through which fluid or gas can flow.

    • Orifices are commonly used in various industries, such as plumbing, engineering, and manufacturing.

    • They are often used to control the flow rate of fluids or gases.

    • Orifices can be found in devices like nozzles, valves, and flow meters.

    • The size of an orifice determines the flow rate and pressure drop across it.

    • Examples of orifices include the tiny ...

  • Answered by AI
  • Q5. Why you looking for a job change?
  • Ans. 

    I am looking for a job change to explore new opportunities and challenges.

    • Seeking career growth and advancement

    • Wanting to work in a different industry or with different technologies

    • Desire for a better work-life balance

    • Relocation or proximity to family

    • Unsatisfactory current job situation

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Just give your introduction very simple short and sweet it's not to be so lengthy.
And the technical round is very simple as always. It consists of mainly Basics.
So don't worry...!!

Best of Luck...!!

I applied via Naukri.com and was interviewed before May 2018. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Explain about open loop & close loop operation in hydraulic system.
  • Ans. 

    Open loop and closed loop are two modes of operation in hydraulic systems.

    • Open loop operation: The hydraulic system operates without feedback control. The output is not adjusted based on the system's performance.

    • Closed loop operation: The hydraulic system uses feedback control to adjust the output based on the system's performance.

    • Open loop systems are simpler and less expensive, but they lack precision and accuracy.

    • Cl...

  • Answered by AI
  • Q2. Explain about Starting circuit.
  • Ans. 

    The starting circuit is responsible for initiating the engine's operation.

    • The starting circuit consists of components such as the battery, starter motor, ignition switch, and solenoid.

    • When the ignition switch is turned on, it sends a signal to the solenoid, which then engages the starter motor.

    • The starter motor uses electrical energy from the battery to turn the engine's crankshaft, starting the combustion process.

    • Once...

  • Answered by AI
  • Q3. Why should we hire you ?
  • Ans. 

    I am a highly skilled and experienced service engineer with a proven track record of successfully troubleshooting and resolving complex technical issues.

    • I have a strong technical background and extensive experience in diagnosing and repairing equipment.

    • I am a quick learner and can adapt to new technologies and processes easily.

    • I have excellent communication skills and can effectively communicate with customers and team...

  • Answered by AI
  • Q4. What is your core values ?
  • Ans. 

    My core values include integrity, accountability, and continuous learning.

    • Integrity: I believe in always doing the right thing, even when no one is watching.

    • Accountability: I take ownership of my actions and responsibilities.

    • Continuous learning: I strive to constantly improve my skills and knowledge.

    • Example: I once discovered a mistake in a project I was working on, and instead of ignoring it, I took responsibility and...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Questions based upon technical knowledge like engine, basic electrical & basic hydraulics.

General Tips: You should have deep knowledge about hydraulics system & DC electrics.
Skills: Communication, Body Language, Problem Solving, Analytical Skills, Leadership, Presentation Skills, Time Management, Decision Making Skills
Duration: 1-3 Months

I applied via Naukri.com

Interview Questionnaire 

2 Questions

  • Q1. Basics hydraulics, Basic electricals, Hydraulic Schematic. Basics in engine.
  • Q2. Every question was on basics things.

Interview Preparation Tips

Interview preparation tips for other job seekers - They are looking for strong basics from hydraulic and electrics. Also communication skills need to be good as well you have to handle customer lik

I applied via Company Website and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Tell me about yourself in brief
  • Q2. Engine related troubleshooting
  • Q3. Variable axial piston pump how works
  • Ans. 

    A variable axial piston pump is a type of hydraulic pump that uses a rotating cylinder block with pistons to generate fluid flow.

    • The pump consists of a cylinder block with multiple pistons arranged in a circular pattern.

    • As the cylinder block rotates, the pistons move in and out of their respective cylinder bores.

    • The movement of the pistons creates a reciprocating motion, which draws in and pushes out hydraulic fluid.

    • Th...

  • Answered by AI
  • Q4. Basic electrical

Interview Preparation Tips

Interview preparation tips for other job seekers - Candidate should have basic knowledge is enough. Based on my selection

Service Engineer Interview Questions & Answers

Liebherr user image SURYAKANTA DEHURY

posted on 23 Feb 2025

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Engine hydraulic electrical
Round 1 - One-on-one 

(1 Question)

  • Q1. Basic of knowledge and training

Interview Preparation Tips

Interview preparation tips for other job seekers - Best company to work with! Good environment and supportive management.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Why terminate the all engineer
  • Ans. 

    Terminating all engineers can lead to operational disruptions and loss of expertise, impacting service quality and efficiency.

    • Loss of expertise: Engineers possess specialized knowledge; their termination can create knowledge gaps.

    • Operational disruptions: Without engineers, maintenance and repairs may be delayed, affecting service delivery.

    • Increased workload: Remaining staff may face increased pressure, leading to burno...

  • Answered by AI
  • Q2. Spare parts local market price and our price comparison please

Diffusion Engineers Interview FAQs

How many rounds are there in Diffusion Engineers Mechanical Maintenance Engineer interview?
Diffusion Engineers interview process usually has 2 rounds. The most common rounds in the Diffusion Engineers interview process are Resume Shortlist and Technical.
What are the top questions asked in Diffusion Engineers Mechanical Maintenance Engineer interview?

Some of the top questions asked at the Diffusion Engineers Mechanical Maintenance Engineer interview -

  1. Which oil use Hydraulic syste...read more
  2. Which valve use in hydraulic syste...read more

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Diffusion Engineers Mechanical Maintenance Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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