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Suzlon Group Mechanical Maintenance Engineer Interview Questions and Answers

Updated 3 Nov 2023

10 Interview questions

A Mechanical Maintenance Engineer was asked
Q. Why are gearboxes used?
Ans. 

Gear boxes are used to transmit power from one component to another while changing the speed and torque of the output.

  • Gear boxes allow for speed and torque conversion between input and output shafts

  • They provide mechanical advantage by increasing or decreasing speed and torque

  • Used in various applications such as automobiles, industrial machinery, and power transmission systems

A Mechanical Maintenance Engineer was asked
Q. Why are aviation lamps used in wind turbine generators (WTG)?
Ans. 

Aviation lamps are used in wind turbine generators (WTG) for aircraft safety and navigation purposes.

  • Aviation lamps help to make the wind turbine visible to aircrafts, reducing the risk of collisions.

  • They also aid in navigation by marking the location of the wind turbine for pilots.

  • The use of aviation lamps is a regulatory requirement to ensure air traffic safety around wind turbines.

  • Different colors of aviation l...

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A Mechanical Maintenance Engineer was asked
Q. Do you have experience with generator alignment?
Ans. 

Yes, generator alignment is crucial for efficient operation and preventing damage.

  • Generator alignment ensures that the rotating parts are properly positioned to prevent vibration and wear

  • Improper alignment can lead to increased maintenance costs and reduced efficiency

  • Alignment methods include laser alignment, dial indicators, and alignment jigs

  • Regular alignment checks should be performed to ensure optimal performa...

A Mechanical Maintenance Engineer was asked
Q. Why do we use fluid coupling?
Ans. 

Fluid couplings are used to transmit power from one shaft to another without direct physical contact, allowing for smooth start-ups and overload protection.

  • Fluid couplings help in gradual acceleration of heavy machinery, reducing stress on the equipment

  • They provide overload protection by slipping when the torque exceeds a certain limit

  • Fluid couplings dampen torsional vibrations, reducing wear and tear on the machi...

A Mechanical Maintenance Engineer was asked
Q. How does WTG generate electricity?
Ans. 

Wind Turbine Generators (WTG) generate electricity through the conversion of wind energy into mechanical energy and then into electrical energy.

  • Wind turns the blades of the turbine

  • Blades are connected to a rotor

  • Rotor spins a generator to produce electricity

  • Electricity is then sent to a transformer for distribution

  • Example: Vestas V164-9.5 MW wind turbine

A Mechanical Maintenance Engineer was asked
Q. Which gears are used in gearboxes?
Ans. 

Various types of gears can be used in a gearbox depending on the application, such as spur gears, helical gears, bevel gears, and worm gears.

  • Spur gears are commonly used in applications where simplicity and cost-effectiveness are important.

  • Helical gears are used when smooth and quiet operation is required.

  • Bevel gears are used to transmit motion between intersecting shafts.

  • Worm gears are used for high reduction rat...

A Mechanical Maintenance Engineer was asked
Q. What is the difference between tensioning and torqueing?
Ans. 

Tensioning involves stretching a fastener to a specific load, while torqueing involves tightening a fastener to a specific torque value.

  • Tensioning is typically used for critical applications where precise load control is required.

  • Torqueing is more commonly used in general applications where a specific torque value is sufficient.

  • Tensioning is often used in applications like bolted joints in bridges or aircraft stru...

Are these interview questions helpful?
A Mechanical Maintenance Engineer was asked
Q. What is the difference between a two-stroke and a four-stroke engine?
Ans. 

Two stroke engines have power strokes every revolution, while four stroke engines have power strokes every other revolution.

  • Two stroke engines have a simpler design with fewer moving parts compared to four stroke engines

  • Two stroke engines require a fuel-oil mixture for lubrication, while four stroke engines have a separate oil reservoir

  • Two stroke engines produce more pollution due to incomplete combustion, while f...

A Mechanical Maintenance Engineer was asked
Q. What is the main reason for gearbox failure?
Ans. 

The main reason for gearbox failure is lack of lubrication, leading to increased friction and wear.

  • Lack of proper lubrication causing increased friction

  • Contamination of lubricant with dirt or debris

  • Overloading the gearbox beyond its capacity

  • Improper maintenance and servicing

  • Manufacturing defects or poor quality materials

  • Incorrect alignment of gears

A Mechanical Maintenance Engineer was asked
Q. Types of gearbox
Ans. 

Types of gearboxes include spur, helical, bevel, worm, planetary, and cycloidal.

  • Spur gearbox: simple and efficient, used in low-speed applications

  • Helical gearbox: smoother operation, higher load capacity

  • Bevel gearbox: used for right angle drives

  • Worm gearbox: high reduction ratios, self-locking feature

  • Planetary gearbox: compact design, high torque transmission

  • Cycloidal gearbox: high shock load capacity, low backlas...

Suzlon Group Mechanical Maintenance Engineer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Nov 2022. There were 2 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 

(10 Questions)

  • Q1. Types of gearbox
  • Ans. 

    Types of gearboxes include spur, helical, bevel, worm, planetary, and cycloidal.

    • Spur gearbox: simple and efficient, used in low-speed applications

    • Helical gearbox: smoother operation, higher load capacity

    • Bevel gearbox: used for right angle drives

    • Worm gearbox: high reduction ratios, self-locking feature

    • Planetary gearbox: compact design, high torque transmission

    • Cycloidal gearbox: high shock load capacity, low backlash

  • Answered by AI
  • Q2. What is difference between tensioning and torqueing
  • Ans. 

    Tensioning involves stretching a fastener to a specific load, while torqueing involves tightening a fastener to a specific torque value.

    • Tensioning is typically used for critical applications where precise load control is required.

    • Torqueing is more commonly used in general applications where a specific torque value is sufficient.

    • Tensioning is often used in applications like bolted joints in bridges or aircraft structure...

  • Answered by AI
  • Q3. What is the main reason of gearbox failure
  • Ans. 

    The main reason for gearbox failure is lack of lubrication, leading to increased friction and wear.

    • Lack of proper lubrication causing increased friction

    • Contamination of lubricant with dirt or debris

    • Overloading the gearbox beyond its capacity

    • Improper maintenance and servicing

    • Manufacturing defects or poor quality materials

    • Incorrect alignment of gears

  • Answered by AI
  • Q4. Difference between two stroke and four stroke engine
  • Ans. 

    Two stroke engines have power strokes every revolution, while four stroke engines have power strokes every other revolution.

    • Two stroke engines have a simpler design with fewer moving parts compared to four stroke engines

    • Two stroke engines require a fuel-oil mixture for lubrication, while four stroke engines have a separate oil reservoir

    • Two stroke engines produce more pollution due to incomplete combustion, while four s...

  • Answered by AI
  • Q5. How WTG generate electricity
  • Ans. 

    Wind Turbine Generators (WTG) generate electricity through the conversion of wind energy into mechanical energy and then into electrical energy.

    • Wind turns the blades of the turbine

    • Blades are connected to a rotor

    • Rotor spins a generator to produce electricity

    • Electricity is then sent to a transformer for distribution

    • Example: Vestas V164-9.5 MW wind turbine

  • Answered by AI
  • Q6. Why we use fluid coupling
  • Ans. 

    Fluid couplings are used to transmit power from one shaft to another without direct physical contact, allowing for smooth start-ups and overload protection.

    • Fluid couplings help in gradual acceleration of heavy machinery, reducing stress on the equipment

    • They provide overload protection by slipping when the torque exceeds a certain limit

    • Fluid couplings dampen torsional vibrations, reducing wear and tear on the machinery

    • T...

  • Answered by AI
  • Q7. Why gear box use
  • Ans. 

    Gear boxes are used to transmit power from one component to another while changing the speed and torque of the output.

    • Gear boxes allow for speed and torque conversion between input and output shafts

    • They provide mechanical advantage by increasing or decreasing speed and torque

    • Used in various applications such as automobiles, industrial machinery, and power transmission systems

  • Answered by AI
  • Q8. Did you know about generator alignment
  • Ans. 

    Yes, generator alignment is crucial for efficient operation and preventing damage.

    • Generator alignment ensures that the rotating parts are properly positioned to prevent vibration and wear

    • Improper alignment can lead to increased maintenance costs and reduced efficiency

    • Alignment methods include laser alignment, dial indicators, and alignment jigs

    • Regular alignment checks should be performed to ensure optimal performance

    • Ex...

  • Answered by AI
  • Q9. Which gear is used in gearbox
  • Ans. 

    Various types of gears can be used in a gearbox depending on the application, such as spur gears, helical gears, bevel gears, and worm gears.

    • Spur gears are commonly used in applications where simplicity and cost-effectiveness are important.

    • Helical gears are used when smooth and quiet operation is required.

    • Bevel gears are used to transmit motion between intersecting shafts.

    • Worm gears are used for high reduction ratios a...

  • Answered by AI
  • Q10. Why aviation lamp is use in wtg
  • Ans. 

    Aviation lamps are used in wind turbine generators (WTG) for aircraft safety and navigation purposes.

    • Aviation lamps help to make the wind turbine visible to aircrafts, reducing the risk of collisions.

    • They also aid in navigation by marking the location of the wind turbine for pilots.

    • The use of aviation lamps is a regulatory requirement to ensure air traffic safety around wind turbines.

    • Different colors of aviation lamps ...

  • Answered by AI

I applied via Walk-in and was interviewed in Apr 2022. There were 3 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 - Aptitude Test 
Round 3 - Technical 

(1 Question)

  • Q1. Technical question and objectives question

Interview Preparation Tips

Interview preparation tips for other job seekers - This is a best company and work culture is very good

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Interview questions from similar companies

I appeared for an interview in Mar 2017.

Interview Questionnaire 

1 Question

  • Q1. Questions about my current department like that which type system installed and which company.

Interview Preparation Tips

Round: Technical + HR Interview
Experience: Within 1hrs interview is done and the interviewer is asked me about current system working function and problem and how to solve the problem.

Skills: Technical Questions

Interview Questionnaire 

1 Question

  • Q1. Power system

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

Interview Questionnaire 

1 Question

  • Q1. What is a switch gears
  • Ans. 

    Switch gears are electrical devices used to control, protect and isolate electrical equipment.

    • Switch gears are used in power distribution systems to control the flow of electricity.

    • They protect electrical equipment from damage caused by overloads, short circuits, and other faults.

    • Switch gears can be classified into low voltage and high voltage depending on the voltage level they operate at.

    • Examples of switch gears incl...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Technical
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I appeared for an interview in Sep 2024, where I was asked the following questions.

  • Q1. What is buchholz relay in transformer.
  • Ans. 

    A Buchholz relay is a safety device used in oil-filled transformers to detect faults and prevent damage.

    • Monitors gas accumulation and oil flow in transformers.

    • Triggers alarms or circuit breakers during faults.

    • Commonly used in large power transformers.

    • Example: Detects overheating or short circuits.

    • Helps in preventing catastrophic failures.

  • Answered by AI
  • Q2. Explain kvl ans kcl
  • Ans. 

    KVL and KCL are fundamental laws in electrical engineering governing voltage and current in circuits.

    • KVL (Kirchhoff's Voltage Law) states that the sum of all voltages around a closed loop equals zero.

    • Example of KVL: In a series circuit with a 12V battery and two resistors (4Ω and 8Ω), the voltage drop across the resistors must equal 12V.

    • KCL (Kirchhoff's Current Law) states that the sum of currents entering a junction e...

  • Answered by AI

Interview Questionnaire 

1 Question

  • Q1. Working of transformer
  • Ans. 

    A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

    • Transformers work on the principle of electromagnetic induction

    • They have two coils, primary and secondary, wound around a common magnetic core

    • When an alternating current flows through the primary coil, it creates a magnetic field which induces a voltage in the secondary coil

    • The voltage in...

  • Answered by AI
Are these interview questions helpful?
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is your area of expertise?
  • Ans. 

    My area of expertise is in power systems and renewable energy.

    • Specialize in designing and analyzing power systems

    • Experience with renewable energy sources such as solar and wind power

    • Knowledge of grid integration and energy storage technologies

  • Answered by AI
  • Q2. How are you manage team?
  • Ans. 

    I manage my team by setting clear goals, providing support and resources, fostering open communication, and recognizing achievements.

    • Set clear goals and expectations for team members

    • Provide necessary support and resources for team to succeed

    • Foster open communication and encourage collaboration

    • Recognize and reward team achievements

    • Delegate tasks effectively based on team members' strengths and skills

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Newspaper Ad

Round 1 - Technical 

(2 Questions)

  • Q1. Why we can't more efficiency in Boiler
  • Ans. 

    Efficiency in boilers is limited due to various factors.

    • Incomplete combustion of fuel leads to energy loss

    • Heat loss through flue gases and radiation

    • Inefficient heat transfer due to scaling or fouling

    • Improper insulation leading to heat loss

    • Inadequate maintenance and tuning

    • Lack of advanced control systems

    • Design limitations and constraints

    • Fuel quality and composition

    • Operating conditions and load variations

  • Answered by AI
  • Q2. Why Turbine,s efficiency is less & so derive the efficiency equation
  • Ans. 

    The efficiency of a turbine is less due to various factors such as friction, heat losses, and mechanical losses.

    • Friction between the moving parts of the turbine reduces its efficiency.

    • Heat losses occur due to the conversion of thermal energy into mechanical energy.

    • Mechanical losses include losses in bearings, seals, and other components.

    • Efficiency equation: Efficiency = (Useful output energy / Input energy) * 100%

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through text book of steam turbines properly & come with positive also go through Boiler books & different types of Boilers & its Design.

I applied via Approached by Company and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Electrical question panel breaker HT breaker models HD panel LT breaker LT model circuit diagram motor relay contractor wiring hoist faster activator
  • Q2. Electrical se sambandhit any question

Interview Preparation Tips

Interview preparation tips for other job seekers - Mujhe Jo kam mile mere mehnat ka Paisa chahie mujhe, aur mere kam ka hi Paisa mujhe chahie jitna mujhe knowledge hai, usi hisab se mujhe Paisa chahie jitna hota hai Paisa mere liye utna mere account tak aana chahie

Suzlon Group Interview FAQs

How many rounds are there in Suzlon Group Mechanical Maintenance Engineer interview?
Suzlon Group interview process usually has 2-3 rounds. The most common rounds in the Suzlon Group interview process are Resume Shortlist, Technical and Aptitude Test.
What are the top questions asked in Suzlon Group Mechanical Maintenance Engineer interview?

Some of the top questions asked at the Suzlon Group Mechanical Maintenance Engineer interview -

  1. What is difference between tensioning and torque...read more
  2. What is the main reason of gearbox fail...read more
  3. Difference between two stroke and four stroke eng...read more

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Overall Interview Experience Rating

4/5

based on 2 interview experiences

Difficulty level

Moderate 100%

Duration

Less than 2 weeks 100%
View more

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Suzlon Group Mechanical Maintenance Engineer Salary
based on 54 salaries
₹2 L/yr - ₹5 L/yr
26% less than the average Mechanical Maintenance Engineer Salary in India
View more details

Suzlon Group Mechanical Maintenance Engineer Reviews and Ratings

based on 21 reviews

3.8/5

Rating in categories

4.5

Skill development

3.1

Work-life balance

3.1

Salary

4.5

Job security

3.7

Company culture

3.3

Promotions

3.5

Work satisfaction

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