Nexa fresher Interview Questions and Answers

Q1. What is engine working
Ans. 
Engine working refers to the process of converting fuel into mechanical energy to power a vehicle or machine.
• Fuel is ignited in the combustion chamber, creating high-pressure gases that push the pistons down.

• The pistons are connected to the crankshaft, which converts the up-and-down motion into rotational motion.

• The rotational motion is transferred to the transmission, which then powers the wheels or other machinery.

• Th...read more
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Q2. What is thewirking pronciple of 4 stroje diesel engine
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A 4-stroke diesel engine works on the principle of internal combustion, where fuel is ignited by compressed air.
• Intake stroke: air is drawn into the cylinder

• Compression stroke: air is compressed, raising its temperature

• Power stroke: fuel is injected and ignited, causing a rapid expansion of gases and pushing the piston down

• Exhaust stroke: the piston pushes the exhaust gases out of the cylinder

• Diesel engines are more fu...read more
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Q3. What are the engine type of engine
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Q4. What is value timing diagram
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A value timing diagram is a graphical representation of the timing relationship between input and output signals.
• It shows the timing relationship between input and output signals

• It is used to analyze the behavior of digital circuits

• It helps in identifying timing violations and optimizing circuit performance

• It consists of a horizontal time axis and vertical voltage axis

• Examples include setup and hold time diagrams for f...read more
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Q5. What are the 3 main engine system
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The 3 main engine systems are fuel, ignition, and cooling.
• Fuel system: responsible for delivering fuel to the engine

• Ignition system: responsible for igniting the fuel-air mixture

• Cooling system: responsible for regulating the engine temperature

• Examples: gasoline engine, diesel engine, hybrid engine
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Q1. Steel rule short measurement ?
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Q2. V block are use in .......?
Ans. 
V blocks are used in machining and inspection processes to hold cylindrical workpieces securely in place.
• V blocks are commonly used in milling, drilling, and grinding operations.

• They are also used in inspection processes to ensure accurate measurements of cylindrical parts.

• V blocks are typically made of hardened steel or cast iron and have a V-shaped groove to hold the workpiece.

• They come in various sizes and angles to...read more
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Q3. Micrometre used and safety precaution
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Micrometre is a measuring tool used for precise measurements. Safety precautions include proper handling and storage.
• Micrometre should be handled with care to avoid damage to the measuring surfaces

• It should be stored in a protective case when not in use

• Avoid exposing it to extreme temperatures or moisture

• Regular calibration is necessary to ensure accurate measurements

• Proper eye protection should be worn when using a mi...read more
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Practical training safaty 5s

Q1. Self Introduce your self
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Q2. Technical Questions related to your expertise.
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Q3. Your Expertise and previous background
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I have over 10 years of experience in software engineering, specializing in system architecture and cloud solutions.
• Led a team of engineers in developing a microservices architecture for a large-scale e-commerce platform, improving scalability by 40%.

• Implemented CI/CD pipelines using Jenkins and Docker, reducing deployment time from hours to minutes.

• Worked extensively with AWS services, optimizing cloud infrastructure ...read more
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Q4. Core knowledge of Engineering
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Q5. Final review & discussionwith park and benifits
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