National Small Industries Corporation Mechanical Engineer Interview Questions and Answers

General Aptitude, English and Reasoning

Q1. What do you know about FTIR and it's uses?
Ans. 
FTIR stands for Fourier Transform Infrared Spectroscopy, a technique used to analyze the chemical composition of materials.
• FTIR measures the absorption of infrared light by a sample to determine its chemical composition.

• It is commonly used in chemistry, pharmaceuticals, food science, and material analysis.

• FTIR can identify functional groups in organic compounds, determine polymer structures, and analyze contaminants in...read more
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Q2. What do you know about HPLC and LC-MS? How much have you used them? What are the different components of it?
Ans. 
HPLC and LC-MS are analytical techniques used in chemistry to separate, identify, and quantify components in a mixture.
• HPLC stands for High Performance Liquid Chromatography, used to separate and quantify components in a mixture based on their interactions with a stationary phase and mobile phase.

• LC-MS stands for Liquid Chromatography-Mass Spectrometry, combines the separation capabilities of liquid chromatography with...read more
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Q3. What do you know about chromatography? What are it's types? What is the principle? What type of chromatography have you used and what were it's components.
Ans. 
Chromatography is a technique used to separate and analyze mixtures based on their different interactions with a stationary phase and a mobile phase.
• Chromatography is used in various industries such as pharmaceuticals, food and beverage, environmental analysis, and forensics.

• Types of chromatography include gas chromatography, liquid chromatography, thin-layer chromatography, and paper chromatography.

• The principle of ch...read more
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Q4. Tell us about your projects and what were the outcomes of it?
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Q1. Could you share any insights any industry or sector of your choice?
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Q2. How much comfortable are you in MS Office
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Q1. Basic Jav Questions
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Q2. Basic javascript questions
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Q3. Basic sql questions
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Q1. Introduce Yourself
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Q2. What are types of cyber attacks
Ans. 
Types of cyber attacks include malware, phishing, ransomware, DDoS attacks, and social engineering.
• Malware: malicious software designed to damage or gain unauthorized access to a computer system.

• Phishing: fraudulent attempts to obtain sensitive information by disguising as a trustworthy entity.

• Ransomware: malware that encrypts a user's files and demands payment for their release.

• DDoS attacks: flooding a network or serv...read more
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Q3. How to mitigate MITM attack
Ans. 
To mitigate MITM attacks, use encryption, implement secure communication protocols, and verify server certificates.
• Use encryption to protect data in transit

• Implement secure communication protocols like HTTPS

• Verify server certificates to ensure the authenticity of the server

• Use VPNs for secure remote access
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Q4. Develop a RAT using MSF
Ans. 
Develop a Remote Access Trojan (RAT) using Metasploit Framework (MSF)
• Use Metasploit Framework to create a payload for the RAT

• Set up a listener to receive connections from the compromised machines

• Utilize post-exploitation modules in MSF for advanced functionality

• Ensure proper evasion techniques to avoid detection by antivirus software
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Q5. Describe OSI model
Ans. 
The OSI model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.
• The OSI model stands for Open Systems Interconnection model.

• It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and communicates with the adjacent layers.

• Example: When you send an email, t...read more
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Q1. What is my job
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Q2. What is this company name
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I'm sorry, but I cannot answer that question without more information.
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Q3. What is this job
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Q4. What is your name
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My name is [insert name here]
• My name is [insert name here]

• I have been called by this name since birth

• It is the name given to me by my parents

• It is the name I use to introduce myself to others
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Q5. What is your age
Ans. 
I prefer not to disclose my age as it is not relevant to my qualifications and experience for this position.
• Age should not be a factor in determining one's ability to perform a job

• Experience, skills, and qualifications are more important than age

• Employers are not allowed to discriminate based on age

• I am confident that my qualifications and experience make me a strong candidate for this position
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Q6. What is your work
Ans. 
I oversee daily operations, manage staff, and ensure customer satisfaction.
• Manage and supervise staff

• Ensure customer satisfaction

• Create and implement policies and procedures

• Monitor inventory and sales

• Handle customer complaints and resolve issues

• Train new employees

• Collaborate with upper management
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Q1. AboutcTOR,experience
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Q2. Your choice of posting
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I prefer a posting that allows me to work remotely and travel occasionally for client meetings.
• Remote work flexibility is important to me

• Ability to travel for client meetings is a plus

• Prefer a mix of remote and in-person work
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Q1. Self introduction and Experience sharing
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Q2. Good and bad qualities
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Q3. Situational decisions
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Q4. Strength and weakness
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Easy to medium level coding

Q1. What is pointer
Ans. 
A pointer is a variable that stores the memory address of another variable.
• Pointers allow direct manipulation of memory and efficient memory management.

• They are commonly used in programming languages like C and C++.

• Example: int* ptr; // declares a pointer to an integer variable
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