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CMR Green Technologies
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I applied via Campus Placement and was interviewed in Oct 2023. There were 4 interview rounds.
Aptitude was done just after the Pre placement talk it was done on the phone via Microsoft form. The test had 20 questions of core mechanical engineering.
Then there was a GD round of 10 members group. Our topic was is EV is the future of India. I was the second person in the group to discus about the topic and i qualified that round for the next interview round.
Heat treatment is a process used to alter the physical and sometimes chemical properties of a material through controlled heating and cooling.
Heat treatment involves heating a material to a specific temperature, holding it at that temperature for a certain amount of time, and then cooling it at a controlled rate.
The purpose of heat treatment is to improve the material's hardness, strength, toughness, ductility, and oth...
Types of gears include spur gears, helical gears, bevel gears, worm gears, rack and pinion gears, and planetary gears.
Spur gears have straight teeth and are the most common type of gear.
Helical gears have angled teeth for smoother and quieter operation.
Bevel gears have cone-shaped teeth and are used to change the direction of rotation.
Worm gears have a screw-like appearance and provide high gear reduction ratios.
Rack a...
Bearings are components that allow for smooth rotation or linear motion between two parts.
Types of bearings include ball bearings, roller bearings, plain bearings, and fluid bearings.
Ball bearings use balls to reduce friction between two surfaces.
Roller bearings use cylindrical rollers to support radial and axial loads.
Plain bearings have a sliding surface instead of balls or rollers.
Fluid bearings use a thin layer of
Recrystallization temperature is the temperature at which a material undergoes recrystallization to relieve internal stresses.
Recrystallization temperature is specific to each material and is influenced by factors such as composition, impurities, and processing history.
It is the temperature at which new grains form within the material, replacing the deformed grains to reduce internal stresses.
Recrystallization temperat...
Welding is a process of joining two or more metal pieces together by melting and fusing them.
Types of welding include MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), Stick, and Flux-Cored welding.
Welding can be done using different heat sources like gas flame, electric arc, laser, or ultrasound.
Common welding techniques involve fusion welding, resistance welding, and solid-state welding.
Examples of welded products inc...
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posted on 25 Feb 2024
Diesel engines use compression ignition while petrol engines use spark ignition.
Diesel engines use compression ignition, where the fuel-air mixture is ignited by the heat of high compression, while petrol engines use spark ignition, where a spark plug ignites the fuel-air mixture.
Diesel engines are more fuel efficient than petrol engines due to higher compression ratios and energy content of diesel fuel.
Petrol engines ...
posted on 8 Feb 2023
I applied via Company Website and was interviewed in Aug 2022. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before May 2021. There were 2 interview rounds.
posted on 19 May 2017
I appeared for an interview in Oct 2016.
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
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...
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 ...
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
I applied via Recruitment Consultant and was interviewed in Nov 2019. There were 3 interview rounds.
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...
I applied via Campus Placement and was interviewed before Oct 2023. There was 1 interview round.
GD on the Topic - Quality of coal is deteriorating, what should the company do?
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
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...
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.
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
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
based on 1 interview
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