CPECC Interview Questions and Answers

"I applied via campus placement First round was an aptitude containing quant,english, logical reasoning and data interpretation (60 mins ,60 questions) plus technical round (30 mins,30 questions) conducted via Aon platform. Aptitude was easy but was a bit lengthy. Technical test was also moderate and covered all topics from mechanical core. After the written test there was a resume shortlisting for people who cleared round one.Prepare ur resume according to the role ur applying. From around 87 members 27 were shortlisted for GD round. ."

They divided us into 4 groups and group discussion went on for around 20 mins my topic was (Are ev vehicle's an efficient solution for pollution). In gd round listen to the topic carefully. Don't hesitate to put ur thoughts first donot interfere while other is speaking listen to them and put ur thoughts in a politeful way , mostly stick to the topic. After 20 mins the recruiters asked me to summarise the topic and i gave a brief summary keeping everyone's and my thoughts in mind. After GD 9 members were selected for the interview.Gd and interview happened on the same day.

Q1. Asking question about work of lubricant and type of grade
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Q2. Previous work
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I have over 10 years of experience in various leadership roles, including managing teams, developing strategies, and achieving business goals.
• Managed a team of 50 employees in my previous role as Regional Manager

• Developed and implemented a new sales strategy that increased revenue by 20%

• Achieved business goals by consistently exceeding quarterly targets
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Q1. Asking question on engine related
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Q2. Asking about latest technology in automobile
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Q1. Tell me about youself?
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I am a recent graduate with a degree in engineering, eager to learn and grow in a professional setting.
• Completed Bachelor's degree in Mechanical Engineering

• Interned at XYZ Company, where I gained experience in project management

• Proficient in CAD software such as SolidWorks

• Strong problem-solving and analytical skills

• Excellent communication and teamwork abilities
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Q2. What are your projects ?
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I have worked on projects related to renewable energy systems and sustainable building design.
• Designed and implemented a solar panel system for a residential building

• Conducted energy audits to optimize energy efficiency in buildings

• Researched and proposed sustainable materials for construction projects
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Q3. What you did in internship?
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I worked on designing and implementing a new software system for tracking inventory and managing orders.
• Developed a user-friendly interface for inputting and accessing data

• Integrated barcode scanning technology for efficient inventory management

• Collaborated with team members to troubleshoot and improve system functionality
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Q4. What are your favourite subjects ?
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My favorite subjects are Mathematics, Physics, and Computer Science.
• Mathematics - I enjoy solving complex problems and equations.

• Physics - I am fascinated by the laws of nature and how things work in the universe.

• Computer Science - I love coding and developing new software applications.
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Q5. What is 2nd law of thermodynamics?
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The 2nd law of thermodynamics states that the total entropy of an isolated system can never decrease over time.
• Entropy of a system tends to increase over time

• Heat energy naturally flows from hot to cold objects

• Efficiency of energy conversion processes is limited by the 2nd law
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Q6. What are the kelvin plank and claussis statement?
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Kelvin-Planck and Clausius statements are two fundamental principles of thermodynamics.
• Kelvin-Planck statement: It is impossible to construct a device that operates in a cycle and produces no effect other than the extraction of heat from a single reservoir and the performance of an equivalent amount of work.

• Clausius statement: It is impossible to construct a device that operates in a cycle and produces no effect other ...read more
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Q7. What is difference between 4 stroke and 2 stroke engines?
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4 stroke engines have separate intake, compression, power, and exhaust strokes, while 2 stroke engines combine intake and compression in one stroke and power and exhaust in another.
• 4 stroke engines have separate intake, compression, power, and exhaust strokes

• 2 stroke engines combine intake and compression in one stroke and power and exhaust in another

• 4 stroke engines are more fuel efficient and produce less pollution

• 2 ...read more
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Q8. What if we put diesel in SI engine and petrol in CI engine?
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Putting diesel in SI engine and petrol in CI engine would lead to inefficient combustion and potential damage to the engines.
• Diesel is designed to be used in compression ignition (CI) engines, which rely on high compression ratios to ignite the fuel. Using diesel in a spark ignition (SI) engine would result in incomplete combustion and poor performance.

• Petrol is designed for use in spark ignition (SI) engines, which re...read more
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Q9. Differentiate b/w CI and SI engine?
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CI engines use compression ignition while SI engines use spark ignition.
• CI engines compress air to high pressures, causing the fuel to ignite spontaneously

• SI engines use spark plugs to ignite the fuel-air mixture

• CI engines are more fuel efficient but produce more emissions

• Examples of CI engines include diesel engines, while SI engines include gasoline engines
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Q10. What is your final year project ? Asked in deep
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Q1. What do yo know about company??
Ans. 
Company is a leading engineering firm specializing in renewable energy solutions.
• Company was founded in 2005 and has since grown to become a key player in the renewable energy sector.

• They offer a wide range of services including solar panel installation, wind turbine maintenance, and energy efficiency consulting.

• Company has completed projects in multiple countries, showcasing their global reach and expertise.

• They prior...read more
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Q2. What is your strength and weakness ?
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Strength: Strong problem-solving skills. Weakness: Difficulty delegating tasks.
• Strength: Able to analyze complex problems and come up with effective solutions.

• Weakness: Struggle to trust others to complete tasks to my standards.

• Strength: Excellent attention to detail.

• Weakness: Sometimes too focused on perfection, leading to delays in project completion.

• Strength: Strong communication skills, able to effectively convey i...read more
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Q3. Are you happy to relocate?
Ans. 
Yes, I am happy to relocate for the right opportunity.
• I am open to relocating for career growth and new experiences.

• I have relocated in the past for internships and projects.

• I understand the importance of being flexible and adaptable in the engineering field.
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Normal aptitude test containing behavioural, mathematical, English questions

Oopc, dbms, sql, se concepts were there with few os, dsa and got related questions

Q1. Go through your resume and question about project backend functionality
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Q2. Code asked for backend application developed by me which was there in resume
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Q1. Behavioural questions were asked
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It was just Formal introduction of your Journey till now.

Q1. What is use of Capacitor
Ans. 
Capacitors are electronic components used to store and release electrical energy in circuits.
• Capacitors store electrical energy in an electric field

• They are used to filter out noise in electronic circuits

• Capacitors can help regulate voltage levels in circuits

• Common types include ceramic, electrolytic, and tantalum capacitors
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Q2. Is Higher PF better ?
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Power factor (PF) measures the efficiency of electrical power usage. Higher PF is better as it indicates less wasted energy.
• Higher PF means more efficient use of electrical power

• Lower PF results in wasted energy and higher electricity bills

• Ideal PF is close to 1, indicating maximum efficiency
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Q3. Criterias of classification of transformer.
Ans. 
Transformers are classified based on criteria such as cooling method, voltage level, and application.
• Cooling method (oil-immersed, dry-type)

• Voltage level (distribution, power, instrument)

• Application (power, distribution, instrument, auto-transformer)
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Q4. Types of losses in Transformer
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Types of losses in transformer include copper losses and iron losses.
• Copper losses: caused by resistance in the copper windings of the transformer, resulting in heat generation.

• Iron losses: caused by hysteresis and eddy currents in the transformer core, leading to energy loss in the form of heat.

• Total losses: sum of copper losses and iron losses in a transformer.
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Q1. What was your Role in Internship and explain it .
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I was responsible for conducting quality control tests on products and ensuring they met industry standards.
• Conducted quality control tests on products to ensure they met industry standards

• Analyzed test results and reported any deviations from quality standards

• Collaborated with production team to address quality issues and improve processes
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Q2. Tell your family background in detail.
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I come from a close-knit family with a strong emphasis on education and hard work.
• My parents are both professionals in the medical field, which has inspired me to pursue a career in quality control.

• I have two siblings, one of whom is studying engineering and the other is a teacher.

• Family gatherings are important to us and we often celebrate special occasions together.

• Growing up, my parents instilled values of integrity
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