Chittaranjan Locomotive Works Mechanic Mentainance Interview Questions and Answers

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Q1. What is Accenture
Ans. 
Accenture is a global professional services company providing strategy, consulting, digital, technology, and operations services.
• Global professional services company

• Offers strategy, consulting, digital, technology, and operations services

• Works with clients across various industries
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Q2. What is AutoCAD
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AutoCAD is a computer-aided design software used by engineers and architects to create 2D and 3D drawings and models.
• AutoCAD is widely used in various industries such as architecture, engineering, and construction.

• It allows users to create precise drawings and models with tools like lines, circles, and arcs.

• Users can also add dimensions, annotations, and text to their designs.

• AutoCAD supports both 2D and 3D design capa...read more
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Q3. What is contributing
Ans. 
Contributing factors in mechanical engineering involve various elements that impact the design, development, and operation of mechanical systems.
• Materials used in construction

• Environmental conditions

• Budget constraints

• Regulatory requirements

• Technological advancements

• Safety considerations
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Q4. What is ambition
Ans. 
Ambition is a strong desire to achieve something, often accompanied by determination and hard work.
• Ambition is the driving force behind setting and achieving goals.

• It involves a strong desire to succeed and willingness to put in the necessary effort.

• Ambition can lead to personal growth, career advancement, and overall success.

• Examples include striving for a promotion at work, starting a business, or pursuing higher edu...read more
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Q5. What is CATIA example briefly
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CATIA is a CAD software used for designing and engineering in various industries.
• CATIA is a powerful 3D modeling software used in industries like automotive, aerospace, and manufacturing.

• It allows engineers to design, simulate, and analyze products before they are physically created.

• CATIA can be used for creating complex surfaces, assemblies, and detailed drawings.

• It is commonly used for designing cars, airplanes, and ...read more
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Q1. Describe your most recent Projects.
Ans. 
Designed and implemented a new cooling system for a manufacturing plant.
• Researched different cooling technologies and their efficiency

• Collaborated with a team of engineers to design the system layout

• Performed simulations to optimize the cooling system performance

• Managed the installation and testing of the new system
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Q2. Explain Design Methodology
Ans. 
Design methodology is a systematic approach to solving engineering problems by following a series of steps.
• Design methodology involves defining the problem, researching, brainstorming solutions, selecting the best solution, prototyping, testing, and refining.

• It helps ensure that the final product meets the desired requirements and functions effectively.

• Examples of design methodologies include Six Sigma, Lean Manufactur
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Q3. Explain 3,2,1 principle of GD &t
Ans. 
The 3,2,1 principle of GD&T is a method used to establish a datum reference frame for geometric dimensioning and tolerancing.
• 3 points are used to establish a datum plane, 2 points to establish a datum line, and 1 point to establish a datum point.

• The 3,2,1 principle ensures that the part is securely located and oriented in a consistent manner for measurement and manufacturing processes.

• Datum features are used as referen...read more
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Q1. What is refraction
Ans. 
Refraction is the bending of light as it passes from one medium to another.
• Refraction occurs when light travels from one medium to another with a different density.

• The speed of light changes as it moves through different mediums, causing it to bend.

• Examples of refraction include the bending of light in water or a prism splitting white light into its colors.
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Q2. What is density
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Density is a measure of how much mass is contained in a given volume.
• Density is calculated by dividing the mass of an object by its volume.

• Common units for density include g/cm^3 or kg/m^3.

• For example, water has a density of 1 g/cm^3, while gold has a density of 19.3 g/cm^3.
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Displacement velocity and acceleration diagram when the followers moves with simple harmonic motion

Q1. What is surface
Ans. 
Surface refers to the outermost layer or boundary of an object or material.
• Surface is the area that is exposed to the surrounding environment.

• It can be smooth, rough, porous, reflective, or absorbent.

• Examples include the surface of a table, the skin's surface, or the surface of a lake.
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Q2. What is hardness
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Hardness is a measure of a material's resistance to deformation, scratching, or abrasion.
• Hardness is a physical property of materials.

• It is typically measured using tests like the Mohs scale for minerals or the Rockwell scale for metals.

• Materials with higher hardness values are more resistant to wear and scratching.

• Hardness can be influenced by factors such as composition, microstructure, and processing.

• Examples of har...read more
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Q1. What are the materials used in Aero-Engines
Ans. 
Materials used in Aero-Engines include titanium, nickel-based superalloys, and composites.
• Titanium is used for components like compressor blades and discs due to its high strength-to-weight ratio.

• Nickel-based superalloys are used for high temperature components like turbine blades.

• Composites, such as carbon fiber reinforced polymers, are used for fan blades and other parts to reduce weight and improve fuel efficiency.
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Q2. Difference Concentricity and Run Out
Ans. 
Concentricity is the condition where two or more features share a common center point, while run out is the amount of deviation from true circularity of an object.
• Concentricity refers to the tolerance of the center point of a feature relative to another feature or axis.

• Run out is the measurement of how much a part deviates from a true circular path when rotated around an axis.

• Concentricity is important for ensuring pro...read more
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Q1. What is auto mobile? Ans Auto mobile is self profil vehicle which dails good around the passenger with Ono please to another please.
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Q2. Types of fit? Ans-According to ISI system fit are deivde in two three parts provide 1 clearance fit. 2 Interference fit 3 transition fit.
Ans. 
Types of fits include clearance fit, interference fit, and transition fit.
• Clearance fit: parts are intended to have a gap between them

• Interference fit: parts are intended to be pressed or forced together

• Transition fit: parts have a combination of clearance and interference fit

• ISI system divides fits into these three categories

• Fits are important in ensuring proper functioning of mechanical systems
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Q3. What is tollerance? Ans-The permissable very action of a size is called tollerance.
Ans. 
Tolerance is the allowable variation in a dimension or measurement.
• Tolerance is important in engineering to ensure that parts fit together properly and function as intended.

• It is usually expressed as a range of acceptable values, such as +/- 0.1mm.

• Tolerance can be affected by factors such as manufacturing processes, materials, and design requirements.

• Tolerance can also be used to control the fit and clearance between m...read more
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Q4. What is fits? Ans-The relationship between two matting parts is known as fit.
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Q5. Types of sefety? Ans-Safety are three types 1 personal safety 2 General safety 3 Machine sefety.
Ans. 
There are three types of safety: personal safety, general safety, and machine safety.
• Personal safety involves protecting oneself from harm or injury.

• General safety pertains to the safety of the environment and people around us.

• Machine safety involves ensuring that machines are safe to operate and do not pose a threat to workers.

• Examples of personal safety measures include wearing protective gear, such as helmets and gl...read more
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Math

Q1. Logical situational questions
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