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Vem Technologies Interview Questions and Answers
19 Interview questions
SPI, I2C, and UART are communication protocols used for data exchange between devices, each with unique characteristics.
SPI (Serial Peripheral Interface): A synchronous protocol that uses multiple lines for communication, allowing for high-speed data transfer. Example: Connecting a microcontroller to an SD card.
I2C (Inter-Integrated Circuit): A synchronous, multi-master, multi-slave protocol that uses only two wir...
Storage classes in C define the scope, lifetime, and visibility of variables, influencing memory management and access.
auto: Default storage class for local variables, with automatic duration. Example: 'int x;' inside a function.
register: Suggests storing the variable in CPU registers for faster access. Example: 'register int count;'
static: Preserves variable value between function calls and limits visibility to t...
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
Converts AC to DC by allowing current to flow in one direction only
Commonly used in power supplies and electronic devices
Types include half-wave, full-wave, and bridge rectifiers
Diodes are often used in rectifier circuits
My favorite language is Python because of its simplicity, readability, and versatility.
Python is known for its clean and readable syntax, making it easy to learn and use.
Python has a wide range of applications, from web development to data analysis and machine learning.
Python has a large and active community, providing support and resources for developers.
Examples: Django for web development, pandas for data analy...
A boost converter is a type of DC-DC converter that steps up the input voltage to a higher output voltage.
Use a switch (usually a MOSFET) to control the energy flow from input to output
Include an inductor to store and release energy
Add a diode to allow current flow in one direction
Use a capacitor to smooth out the output voltage
Implement a control circuit to regulate the output voltage
Armature voltage control involves changing the voltage applied to the armature of a DC motor to control its speed, while field control involves changing the field current to control the motor's speed.
Armature voltage control adjusts the voltage applied to the armature winding of a DC motor to control its speed
Field control adjusts the field current in the motor to control its speed
Armature voltage control is more ...
Choose a MOSFET based on voltage, current, power dissipation, switching speed, and package type.
Consider voltage and current requirements
Look at power dissipation and thermal considerations
Evaluate switching speed needed for the application
Choose the appropriate package type for mounting and heat dissipation
Check for additional features like built-in protection circuits
Example: For high power applications, choose ...
A Zenor diode is a type of diode that is designed to operate in the reverse breakdown region.
It is also known as a voltage reference or voltage regulator diode.
It is used to regulate voltage in electronic circuits.
It allows current to flow in the reverse direction when the voltage exceeds a certain threshold.
It maintains a constant voltage across its terminals.
It is commonly used in voltage clamping applications a...
CMRR is measured in decibels (dB).
CMRR stands for Common Mode Rejection Ratio.
It is a measure of an op amp's ability to reject common mode signals.
CMRR is expressed in decibels (dB).
A higher CMRR value indicates better rejection of common mode signals.
For example, an op amp with a CMRR of 80 dB can reject common mode signals 100 times better than an op amp with a CMRR of 60 dB.
Compilation stages involve preprocessing, compilation, assembly, linking, and loading.
Preprocessing: Includes expanding macros, handling conditional compilation, and file inclusion.
Compilation: Translates source code into assembly code or machine code.
Assembly: Converts assembly code into object code.
Linking: Combines multiple object files and libraries into a single executable.
Loading: Loads the executable into m...
Vem Technologies Interview Experiences
27 interviews found
Anonymous
I appeared for an interview in Jan 2025.
Aptitude questions will give
Two codes will give and we can write in any language
(1 Question)
- Q1. Technical questions will be asked
pollai krishna
Selected
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Do you have experience in aerospace space industrys
- Ans.
I have foundational knowledge and some hands-on experience in aerospace engineering projects, focusing on design and analysis.
Completed a project on aerodynamics simulation using software like ANSYS Fluent.
Interned at an aerospace company where I assisted in testing drone prototypes.
Participated in a university competition to design a small satellite.
Studied aerospace materials and their applications in aircraft design...
- Q2. How to devloped this company simply advice
- Ans.
To develop the company, focus on innovation, customer satisfaction, and efficient processes to drive growth and success.
Invest in research and development to create innovative products, like introducing eco-friendly materials in manufacturing.
Enhance customer service by implementing a feedback system to address client concerns promptly, similar to Zappos' customer-first approach.
Streamline operations by adopting lean m...
- Q1. Interduce your self
- Q2. Where are from
- Q3. How to develop in this company
Aptitude round full about the ECE core questions
(2 Questions)
- Q1. What is your favorite language
- Ans.
My favorite language is Python because of its simplicity, readability, and versatility.
Python is known for its clean and readable syntax, making it easy to learn and use.
Python has a wide range of applications, from web development to data analysis and machine learning.
Python has a large and active community, providing support and resources for developers.
Examples: Django for web development, pandas for data analysis, ...
- Q2. What is rectifier
- Ans.
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
Converts AC to DC by allowing current to flow in one direction only
Commonly used in power supplies and electronic devices
Types include half-wave, full-wave, and bridge rectifiers
Diodes are often used in rectifier circuits
Interview Preparation Tips
I appeared for an interview in Oct 2023.
(5 Questions)
- Q1. Moderate and Basic of electronic domain questions. Interview might take 30-40 mins.
- Q2. Construction of types of transistor
- Ans.
Transistors are electronic devices made of semiconductor material that can amplify or switch electronic signals.
Transistors are typically constructed using materials like silicon or germanium.
There are three main types of transistors: bipolar junction transistors (BJTs), field-effect transistors (FETs), and insulated-gate bipolar transistors (IGBTs).
Transistors consist of three layers: the emitter, base, and collector ...
- Q3. About microcontroller and microprocessor
- Q4. Types of memories
- Ans.
Types of memories include sensory memory, short-term memory, and long-term memory.
Sensory memory holds information from the senses for a very short duration.
Short-term memory stores information temporarily for immediate use.
Long-term memory is for storing information for a longer period of time.
Examples: Seeing a flash of light (sensory memory), remembering a phone number temporarily (short-term memory), recalling chil...
- Q5. Network theories
Skills evaluated in this interview
Time , work , directions
(2 Questions)
- Q1. All branch subjects
- Q2. Tell me about your self
NAMBURU LAKSHMI PRASANNA
(1 Question)
- Q1. Technical eee questions
(1 Question)
- Q1. Basic fundamentals
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. Write program and some telling general knowledge questions in cnc machine
- Q2. Practically proved the job
Interview Preparation Tips
Selected
(2 Questions)
- Q1. What is Zenor diode
- Ans.
A Zenor diode is a type of diode that is designed to operate in the reverse breakdown region.
It is also known as a voltage reference or voltage regulator diode.
It is used to regulate voltage in electronic circuits.
It allows current to flow in the reverse direction when the voltage exceeds a certain threshold.
It maintains a constant voltage across its terminals.
It is commonly used in voltage clamping applications and as...
- Q2. Units of op amp CMRR
- Ans.
CMRR is measured in decibels (dB).
CMRR stands for Common Mode Rejection Ratio.
It is a measure of an op amp's ability to reject common mode signals.
CMRR is expressed in decibels (dB).
A higher CMRR value indicates better rejection of common mode signals.
For example, an op amp with a CMRR of 80 dB can reject common mode signals 100 times better than an op amp with a CMRR of 60 dB.
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jun 2021. There were 2 interview rounds.
(3 Questions)
- Q1. Professional profile
- Q2. For freshers about industry
- Q3. Tell About yourself and educationb
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Vem Technologies Interview FAQs
The duration of Vem Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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Vem Technologies Interviews By Designations
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Overall Interview Experience Rating
based on 27 interview experiences
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Vem Technologies Reviews and Ratings
based on 293 reviews
Rating in categories
|
Design Engineer
101
salaries
|  ₹2.2 L/yr - ₹7.5 L/yr |
|
Junior Engineer
87
salaries
| ₹2 L/yr - ₹4.7 L/yr |
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Engineer
62
salaries
| ₹2 L/yr - ₹8.2 L/yr |
|
Assistant Engineer
55
salaries
| ₹3 L/yr - ₹5.8 L/yr |
|
Hardware Design Engineer
34
salaries
| ₹3 L/yr - ₹6 L/yr |
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