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Hindalco Industries Senior Mechanical Technician Interview Questions and Answers for Experienced
Hindalco Industries Senior Mechanical Technician Interview Experiences for Experienced
1 interview found
I applied via Walk-in
(3 Questions)
- Q1. Mechanical senior technician
- Q2. Mechanical senior Technician
- Q3. Mechanical senior technician both mechanical & operation warks
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Vedanta Resources
Aditya Sharma
posted on 19 May 2017
I appeared for an interview in Oct 2016.
Interview Questionnaire
6 Questions
- Q1. Introduce yourself.
- Ans.
Experienced retail professional with strong leadership skills and a passion for customer service.
Over 5 years of retail management experience
Proven track record of increasing sales and improving customer satisfaction
Strong leadership and team-building skills
Passionate about providing excellent customer service
Bachelor's degree in Business Administration
- Q2. How is alumina obtained from bauxite?
- Ans.
Alumina is obtained from bauxite through the Bayer process.
Bauxite is crushed and mixed with sodium hydroxide to form a slurry.
The slurry is heated and pressurized in a digester to dissolve the alumina content.
The resulting solution is cooled and filtered to remove impurities.
The purified solution is then heated to precipitate the alumina as a white powder.
The alumina powder is washed, dried, and calcined to produce pu...
- Q3. Reaction for Al extraction from alumina.
- Ans.
The reaction for Al extraction from alumina involves the reduction of alumina using carbon or electrolysis.
Alumina (Al2O3) is first converted into aluminum chloride (AlCl3) by reacting with hydrochloric acid.
The aluminum chloride is then reduced to aluminum metal by either carbon reduction or electrolysis.
In carbon reduction, carbon (usually in the form of coke) is heated with the aluminum chloride to produce aluminum ...
- Q4. Stainless steel production.
- Q5. Types of cast iron.
- Ans.
There are four main types of cast iron: gray iron, white iron, ductile iron, and malleable iron.
Gray iron is the most common type and has excellent castability and good machinability.
White iron is very hard and brittle, often used for wear-resistant applications.
Ductile iron has high strength and ductility, making it suitable for a wide range of applications.
Malleable iron is heat-treated to improve its strength and du
- Q6. Location constraints and little info about family.
Interview Preparation Tips
Experience: Basic Aptitude and Verbal Test - Easy Questions
Tips: Improve Speed and Accuracy
Duration: 30 minutes
Total Questions: 35
Round: Group Discussion
Experience: Two sects formed; one supporting the argument and other opposing it. Wage gap, Indian Mine Law, social pressure, patriarchal mentality and crime against women were discussed.
Tips: Communication skills are more important than content. Show confidence and speak fluently. Factual and grammatical errors can be ignored.
Duration: 15 minutes
Round: Technical + HR Interview
Experience: They were chilled out and were giving time to speak. Little hints were also being given.
Tips: Be thorough with basics and don't give nonsensical answers if you don't know.
Skills: Technical Knowledge(ML
College Name: NIT Raipur
I applied via Recruitment Consultant and was interviewed in Nov 2019. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. What is mining ? which purpose to excavate soil
- Ans.
Mining is the process of extracting valuable minerals or other geological materials from the earth's surface or underground.
Mining is done to obtain various resources such as coal, gold, diamonds, and metals like iron, copper, and aluminum.
It involves the removal of soil, rocks, and other materials to access the desired minerals.
Mining can be categorized into surface mining and underground mining, depending on the loca...
Interview Preparation Tips
I applied via Walk-in and was interviewed before Apr 2020. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. What is transformer
- Ans.
A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.
Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They consist of two coils of wire, known as the primary and secondary coils, which are wrapped around a magnetic core.
When an AC voltage is applied to the primary coil, it creates a magne...
- Q2. And type of breker
- Ans.
The type of breaker used depends on the electrical load and the circuit requirements.
The most common types of breakers are standard, AFCI, GFCI, and dual-function.
Standard breakers are used for general-purpose circuits.
AFCI breakers are used for circuits that power bedrooms and living rooms.
GFCI breakers are used for circuits that power bathrooms, kitchens, and outdoor areas.
Dual-function breakers combine AFCI and GFCI...
- Q3. Type of conductor
- Ans.
Conductors are materials that allow electricity to flow through them. There are different types of conductors used in electrical systems.
Copper is the most commonly used conductor in electrical wiring
Aluminum is also used as a conductor, especially in high voltage power transmission
Silver is the best conductor, but it is too expensive for most applications
Gold is also a good conductor, but it is even more expensive tha...
- Q4. Difference of mcb and mccb
- Ans.
MCB is a miniature circuit breaker while MCCB is a molded case circuit breaker.
MCB is used for low current applications while MCCB is used for high current applications.
MCB is rated up to 100 amps while MCCB can be rated up to 2500 amps.
MCCB has adjustable trip settings while MCB does not.
MCCB is more expensive than MCB.
Examples of MCB brands include Legrand and Schneider while examples of MCCB brands include Siemens a
Interview Preparation Tips
Selected
I appeared for an interview before Mar 2024.
(1 Question)
- Q1. Introduction & JD related queries & questions
Interview Preparation Tips
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CMR Green Technologies
Anonymous
posted on 20 Feb 2025
I appeared for an interview before Feb 2024.
(1 Question)
- Q1. Past company details
(2 Questions)
- Q1. Furnace maintenance
- Q2. Hydraulic and pneumatic system
(1 Question)
- Q1. PLC, HMI, sensor
(1 Question)
- Q1. Motor, protection, relay
Selected
I applied via Campus Placement and was interviewed before Aug 2023. There were 3 interview rounds.
Aptitude test was moderate ,
Group discussion happened online topic was ban on chinese apps
(3 Questions)
- Q1. Whats the use of nonel , why it is use ?
- Ans.
Nonel is a type of non-electric initiation system used in blasting operations to detonate explosives.
Nonel is used in mining, construction, and demolition industries.
It is a safe and reliable method of initiating explosives without the need for electricity.
Nonel consists of a shock tube filled with a small amount of explosive material that is initiated by a blasting cap.
It allows for precise timing and sequencing of bl...
- Q2. What does safety means to you ?
- Ans.
Safety means ensuring the well-being and protection of individuals from harm or danger.
Safety involves implementing measures to prevent accidents and injuries.
It includes following protocols and guidelines to minimize risks.
Safety also encompasses creating a culture of awareness and accountability.
Examples: wearing personal protective equipment, conducting regular safety inspections, providing proper training.
- Q3. Why you opted mining engineering?
- Ans.
Passion for solving complex problems and interest in natural resources led me to choose mining engineering.
Fascination with geology and earth sciences
Desire to work in a challenging and dynamic industry
Opportunity to contribute to sustainable resource extraction
Interest in utilizing advanced technology in mining operations
Interview Preparation Tips
Very basic aptitude test, if you know basics about your field you'll pass through this round.
A moderate level GD, most of the elimination happen in this round, you only need to get one chance and tell your points
(2 Questions)
- Q1. Tell me something about yourself
- Q2. Basic technical questions related to your field.
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Sep 2022. There were 4 interview rounds.
(1 Question)
- Q1. Protections and Interlock, Light Up procedures
(1 Question)
- Q1. Interaction, Asking about previous plants
(1 Question)
- Q1. Salary negotiations
Selected
I applied via Company Website and was interviewed before Aug 2022. There were 2 interview rounds.
(6 Questions)
- Q1. What is the mucromiter list count
- Ans.
The micrometer list count refers to the number of items or components listed in a micrometer measurement tool.
The micrometer list count is the total number of items listed on a micrometer measurement tool
It helps in accurately measuring the dimensions of small objects or components
For example, a micrometer list count of 0.01mm indicates that the tool can measure up to 0.01mm precision
- Q2. What is the list count of varniya caliper
- Ans.
The list count of varniya caliper is typically 0, as varniya caliper is not a standard or commonly used tool in the field of measurement.
Varniya caliper is not a standard tool in the field of measurement
There is no specific list count for varniya caliper as it is not commonly used
It is important to use standard calipers for accurate measurements
- Q3. Which material of drill bit
- Ans.
The material of the drill bit depends on the type of material being drilled and the desired outcome.
Drill bits can be made of high-speed steel, cobalt steel, carbide, or diamond.
High-speed steel drill bits are versatile and suitable for drilling wood, plastic, and soft metals.
Cobalt steel drill bits are harder and more heat-resistant, making them ideal for drilling hard metals.
Carbide drill bits are extremely hard and ...
- Q4. Types of center punch
- Ans.
Center punches are tools used to make small indentations in metal or other materials for drilling or marking purposes.
Automatic center punch: Spring-loaded for easy one-handed operation
Manual center punch: Requires a hammer to create the indentation
Transfer punch: Used for transferring hole locations from one material to another
Prick punch: Has a sharper point for more precise marking
- Q5. What types extrusion press
- Ans.
Extrusion presses are used to create products with a consistent cross-sectional profile by forcing material through a die.
There are different types of extrusion presses based on the method of operation, such as direct extrusion press, indirect extrusion press, and impact extrusion press.
Direct extrusion presses push the material through the die using a ram, while indirect extrusion presses pull the material through the...
- Q6. Center punch and dot punch angle
- Ans. Center punch angle 90 Dot punch angle 60
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