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10+ Air Control & Chemical Engg Co Ltd (ACCEL) Interview Questions and Answers

Updated 23 Oct 2024

Q1. Identify the code and tell the output How to get enough message from the log file to report.

Ans.

Identify code and output for getting enough message from log file to report.

  • Use log levels to filter messages

  • Set up log rotation to avoid large files

  • Use regular expressions to search for specific messages

  • Consider using a log analysis tool for more advanced reporting

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Q2. Explain the type’s of maintenance

Ans.

Types of maintenance include corrective, preventive, predictive, and proactive maintenance.

  • Corrective maintenance involves fixing a problem after it has occurred.

  • Preventive maintenance involves scheduled maintenance to prevent problems from occurring.

  • Predictive maintenance involves using data and analysis to predict when maintenance is needed.

  • Proactive maintenance involves identifying and addressing potential issues before they become problems.

  • Examples include replacing worn-...read more

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Q3. Hub of the world cup final year of

Ans.

The hub of the World Cup final changes every year.

  • The World Cup final is held in a different country each year.

  • The host country is selected through a bidding process.

  • The hub of the World Cup final is the stadium where the match takes place.

  • The hub can be in any country that has been chosen to host the final.

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Q4. Mention the types of pump’s

Ans.

There are various types of pumps used in mechanical engineering.

  • Centrifugal pumps

  • Positive displacement pumps

  • Axial flow pumps

  • Mixed flow pumps

  • Jet pumps

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Discover Air Control & Chemical Engg Co Ltd (ACCEL) interview dos and don'ts from real experiences

Q5. Explain on PCA , SVM and image processing concepts

Ans.

PCA is a dimensionality reduction technique, SVM is a machine learning algorithm, and image processing involves manipulating images.

  • PCA (Principal Component Analysis) is used to reduce the dimensionality of data by finding the most important features.

  • SVM (Support Vector Machine) is a supervised machine learning algorithm used for classification and regression tasks.

  • Image processing involves techniques like filtering, segmentation, and feature extraction to manipulate and anal...read more

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Q6. What is the principle of transformer

Ans.

The principle of a transformer is based on electromagnetic induction.

  • Transformers work on the principle of transferring electrical energy between two or more coils through electromagnetic induction.

  • They consist of two coils, known as the primary and secondary coils, which are wound around a common magnetic core.

  • When an alternating current (AC) flows through the primary coil, it creates a changing magnetic field around the core.

  • This changing magnetic field induces a voltage in...read more

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Q7. storage class in c

Ans.

Storage classes in C define the scope and lifetime of variables.

  • There are 4 storage classes in C: auto, register, static, and extern.

  • Auto variables are stored in memory and have local scope.

  • Register variables are stored in CPU registers for faster access.

  • Static variables retain their value between function calls.

  • Extern variables are declared outside of any function and can be accessed by other files.

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Q8. Write code on Merge sort

Ans.

Merge sort is a divide and conquer algorithm that divides the input array into two halves, recursively sorts them, and then merges the sorted halves.

  • Divide the array into two halves

  • Recursively sort each half

  • Merge the sorted halves back together

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Q9. DSA- array sum of balance

Ans.

Calculate the sum of balances in an array of strings representing financial transactions.

  • Iterate through the array of strings and extract the balance from each transaction.

  • Convert the balance strings to numbers and sum them up to get the total balance.

  • Handle any potential errors or invalid data in the array.

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Q10. Experience in software

Ans.

Extensive experience in various software applications and programming languages.

  • Proficient in programming languages such as Java, Python, and C++

  • Experience with software development tools such as Git, JIRA, and Jenkins

  • Familiarity with database management systems such as MySQL and MongoDB

  • Experience with web development frameworks such as React and Angular

  • Ability to learn and adapt to new software quickly

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