Cognizant Production Support Engineer Interview Questions and Answers

A good coding test will measure candidate capacity for problem solving skills and understanding of coding

Aptitude test plays important role of understanding the knowledge of the person

Q1. Tell about yourself , what are your strengths?
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Q2. What do you know about our company?
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Q3. What are your weakness?
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Hydraulic systems and hydraulic machines.

Q1. What is the difference between BS4 and BS6 emissions standards?
Ans. 
BS6 emissions standards are more stringent than BS4, with lower limits on emissions of pollutants like nitrogen oxides and particulate matter.
• BS6 standards have stricter limits on emissions of pollutants like nitrogen oxides (NOx) and particulate matter (PM) compared to BS4.

• BS6 compliant vehicles are required to have advanced emission control technologies like selective catalytic reduction (SCR) and diesel particulate ...read more
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Q2. What is the difference between an electric motor and an electric generator?
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An electric motor converts electrical energy into mechanical energy to produce motion, while an electric generator converts mechanical energy into electrical energy.
• Electric motor converts electrical energy into mechanical energy

• Electric generator converts mechanical energy into electrical energy

• Electric motor is used in appliances like fans, washing machines

• Electric generator is used in power plants to generate electr
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Q3. Difference between four stroke and two stroke engine
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Four stroke engines have separate intake, compression, power, and exhaust strokes, while two stroke engines combine intake and compression in one stroke and power and exhaust in another.
• Four stroke engines have a dedicated stroke for each of the four processes: intake, compression, power, and exhaust

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

• Four stroke engines are m...read more
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Q1. About interview is production engineer
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Q2. About interview is production supervisor
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Q1. Please ask technical level question?
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Q2. Application support engineer question?
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Q1. Tell me about your self
Ans. 
I am a dedicated and experienced Production Engineer with a strong background in manufacturing processes and quality control.
• Bachelor's degree in Mechanical Engineering

• 5+ years of experience in production engineering

• Proficient in CAD software and manufacturing processes

• Implemented lean manufacturing principles to improve efficiency

• Led cross-functional teams to troubleshoot production issues
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Q2. Tell me what you know about Unix and SQL
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Unix is a powerful operating system known for its multitasking and multi-user capabilities, while SQL is a language used for managing and querying databases.
• Unix is an operating system developed in the 1970s known for its command-line interface and flexibility.

• SQL (Structured Query Language) is a language used to communicate with databases to retrieve, update, and manage data.

• Unix commands are case-sensitive and often ...read more
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Q1. What is mutex and it's syntax?
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A mutex is a synchronization primitive used to control access to shared resources in a multi-threaded environment.
• Mutex is typically used to protect critical sections of code to prevent race conditions.

• Syntax for using mutex in C++: std::mutex myMutex;

• To lock a mutex: myMutex.lock();

• To unlock a mutex: myMutex.unlock();
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Q2. What is a goroutine and how it's used?
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A goroutine is a lightweight thread managed by the Go runtime. It allows concurrent execution of functions.
• Goroutines are created using the 'go' keyword followed by a function call.

• They are used for concurrent programming in Go, allowing multiple functions to run simultaneously.

• Goroutines are more efficient than traditional threads as they have lower memory overhead and can be multiplexed onto fewer OS threads.

• Example:...read more
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DSA, Queries and logical coding

Q1. Self introduction
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Q2. Work experience
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Q3. Which department are u working
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Q4. Timings and salary
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Q1. Name and experience and quality and checking etc
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Q2. How can handle ur problem and team work
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Q3. Times and salary
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