TRIGO Group HR Intern Interview Questions and Answers

Basic questions on electronic switches and electronics. Basic questions on coding

Q1. Is the power supplied from a socket alternating current (AC) or direct current (DC)?
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Q2. What is the typical voltage and current supplied by an electrical socket?
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Q3. How will you measure current if you are provided with a multimeter?
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Q4. The interviewer drew a circuit having a dc source, resistor and a laser diode and asked us to name the components
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Q5. Questions about microcontroller Arduino
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Q6. How many pins does Arduino have, how will you code programs in it such questions
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Q1. Explain about your projects
Ans. 
I have worked on various projects including a web development project for a local business and a data analysis project for a research study.
• Developed a website for a local business using HTML, CSS, and JavaScript

• Conducted data analysis for a research study using Python and SQL

• Implemented machine learning algorithms for predictive modeling
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Q2. What is the output of a given C program
Ans. 
The output of a C program depends on the code logic and input provided.
• The output can be determined by analyzing the code and understanding the logic implemented.

• Input values can also affect the output of the program.

• Compile and run the program to see the actual output.
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Q1. Introduce yourself
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Q2. Explain about Projects
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Projects are specific tasks or assignments undertaken to achieve a particular goal or objective.
• Projects involve a defined scope, timeline, and budget.

• They require a team of individuals with specific skills and expertise.

• Projects can range from small-scale initiatives to large-scale endeavors.

• Examples: developing a new software application, implementing a marketing campaign, constructing a building.
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Q1. Diff btw plc and safety plc
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PLC is used for general automation while safety PLC is specifically designed for safety-critical applications.
• PLC is used for controlling machinery and processes in industrial automation.

• Safety PLC is designed to meet safety standards and regulations for critical applications.

• Safety PLCs have built-in safety functions like monitoring input signals for safety-critical devices.

• PLCs are more cost-effective for general aut...read more
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Q2. Diff btw dcs and safety plc
Ans. 
DCS is used for continuous control of processes, while safety PLC is used for emergency shutdown and safety functions.
• DCS (Distributed Control System) is used for continuous control and monitoring of processes in industries like oil & gas, power plants, and chemical plants.

• Safety PLC (Programmable Logic Controller) is specifically designed for safety-critical applications, such as emergency shutdown systems and safety ...read more
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Q1. Tell me about yourself?
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Q2. Tell me about your previous experience?
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Q3. Why should I hire you?
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Very much technical and verbal questions where asked

Situation related to a space ship crash

Q1. What is thermodynamics
Ans. 
Thermodynamics is the branch of physics that deals with the relationships between heat, work, and energy.
• It studies the transfer of energy in the form of heat and work.

• It involves concepts like temperature, pressure, and entropy.

• It is used in various fields such as engineering, chemistry, and meteorology.

• Examples include the study of heat engines, refrigeration systems, and phase transitions.
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Q1. Direct from Resume
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Q2. Write a C code to swap two numbers without using 3rd variable
Ans. 
Swapping two numbers without using a third variable in C code.
• Use bitwise XOR operation to swap two numbers without using a third variable.

• Example: int a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
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Q3. Explain the code
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The candidate is asked to explain a piece of code during the interview for an Internship Trainee position.
• Break down the code line by line and explain the purpose of each line

• Discuss any functions or variables used in the code and their significance

• Explain the expected output or outcome of the code
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Q4. Write a Simulink logic for up counter. Do it with chart
Ans. 
Simulink logic for up counter using a chart
• Create a Simulink model

• Use a Stateflow chart to implement the up counter logic

• Define states for counting up and resetting

• Transition between states based on input signals

• Use chart actions to increment the counter
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Q1. Basic Questions
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Q2. Why you want to join here
Ans. 
I am passionate about the industry and believe this internship will provide valuable experience and opportunities for growth.
• Passionate about the industry

• Seeking valuable experience and growth opportunities

• Believe in the company's mission and values
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