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Ques:- You have three adjacent parallel metal lines. Two out of phase signals pass through the outer two metal lines. Draw the waveforms in the center metal line due to interference. Now, draw the signals if the signals in outer metal lines are in phase with eac
Right Answer:
When the two outer metal lines carry out-of-phase signals, the waveform in the center metal line will show destructive interference, resulting in a flat line (zero voltage) at the points where the outer signals cancel each other out.

When the two outer metal lines carry in-phase signals, the waveform in the center metal line will show constructive interference, resulting in a waveform that has double the amplitude of the outer signals.
Ques:- Describe an impedance matching circuit?
Right Answer:
An impedance matching circuit is a network designed to make the impedance of a load equal to the impedance of the source to maximize power transfer and minimize signal reflection. It typically consists of passive components like resistors, capacitors, and inductors arranged in configurations such as transformers, L-networks, or π-networks.
Ques:- Describe circular polarization
Right Answer:
Circular polarization is a type of electromagnetic wave polarization where the electric field vector rotates in a circular motion as the wave propagates. It can be either right-handed or left-handed, depending on the direction of the rotation.
Ques:- Name some band definitions?
Right Answer:
1. VLF (Very Low Frequency): 3 kHz to 30 kHz
2. LF (Low Frequency): 30 kHz to 300 kHz
3. MF (Medium Frequency): 300 kHz to 3 MHz
4. HF (High Frequency): 3 MHz to 30 MHz
5. VHF (Very High Frequency): 30 MHz to 300 MHz
6. UHF (Ultra High Frequency): 300 MHz to 3 GHz
7. SHF (Super High Frequency): 3 GHz to 30 GHz
8. EHF (Extremely High Frequency): 30 GHz to 300 GHz
Ques:- What is meaning of mah written on battery
Asked In :- Vector India,
Right Answer:
"mAh" stands for milliampere-hour, which is a unit of measurement that indicates the battery's capacity to store energy. It represents how much current a battery can provide over a specific period.
Ques:- All About process, CI, BOM control, Design, USP, ISO, SAP, 2D & 3D part design and design modification, Quality issues analysis, 5 why, etc.
Right Answer:
This question encompasses various aspects of product development and quality management. Here’s a brief overview:

1. **Process**: Refers to the series of actions or steps taken to achieve a particular end in manufacturing or design.

2. **CI (Continuous Improvement)**: A method for identifying opportunities for streamlining work and reducing waste.

3. **BOM Control (Bill of Materials)**: Managing the list of raw materials, components, and assemblies needed to manufacture a product.

4. **Design**: The creation of a plan or convention for the construction of an object or system.

5. **USP (Unique Selling Proposition)**: The feature that makes a product stand out from competitors.

6. **ISO (International Organization for Standardization)**: A set of international standards ensuring quality, safety, and efficiency of products, services, and systems.

7. **SAP (Systems, Applications, and Products)**: An enterprise resource planning software used for managing business operations and customer relations.

8. **
Ques:- What is the role of system admin
Asked In :-
Right Answer:
The role of a system administrator includes managing and maintaining computer systems and networks, ensuring system security, performing backups, troubleshooting issues, installing and configuring software, and monitoring system performance.
Ques:- 1) Draw and explain the architecture of GSM(Global System For Mobile Communication)
Asked In :- HIL, autoliv,
Right Answer:
The architecture of GSM (Global System for Mobile Communications) consists of several key components:

1. **Mobile Station (MS)**: This includes the mobile device (mobile phone) and the SIM card, which identifies the user.

2. **Base Station Subsystem (BSS)**: This consists of:
- **Base Transceiver Station (BTS)**: Handles the radio communication with the mobile station.
- **Base Station Controller (BSC)**: Manages multiple BTSs, handling resource allocation and handovers.

3. **Network and Switching Subsystem (NSS)**: This includes:
- **Mobile Switching Center (MSC)**: The central component that connects calls and manages mobile services.
- **Visitor Location Register (VLR)**: Stores temporary information about subscribers currently within the MSC's area.
- **Home Location Register (HLR)**: A database that contains permanent subscriber information and service details.

4. **Operation Support Subsystem (OSS)**: Provides
Ques:- What are the types of network?
Asked In :- nasa,
Right Answer:
The types of networks are:

1. Local Area Network (LAN)
2. Wide Area Network (WAN)
3. Metropolitan Area Network (MAN)
4. Personal Area Network (PAN)
5. Virtual Private Network (VPN)
6. Storage Area Network (SAN)
7. Campus Area Network (CAN)
Ques:- The router is a secondary server do you agree with this point?
Asked In :- landis+gyr,
Right Answer:
No, a router is not a secondary server; it is a networking device that forwards data packets between computer networks.
Ques:- HOW MANY LINES CAN BE DRAWN FROM 10 POINTS IN A CIRCLE?
Right Answer:
45 lines.
Comments
Admin Sep 28, 2022

Since, there are 10 points on the circle and to draw a chord we need to connect any two points on the circle to make it a straight line, which implies that the number of chords = No of lines connecting any two points out of the 10 points

= 10C2 = 10*9/2 = 45 chords.

Ques:- How to acceptation with me and my organization?
Right Answer:
To ensure a good fit between me and the organization, I would focus on understanding the company culture, values, and goals. I would actively communicate with my team, seek feedback, and align my work with the organization's objectives. Building strong relationships and being open to learning and adapting are also key to mutual acceptance.
Ques:- Tell of a time you made a mistake and how you dealt with it?
Right Answer:
In a previous project, I misconfigured a server, which caused downtime for a critical application. I quickly acknowledged the mistake, informed my team, and worked on a fix. I restored the server to its previous state and implemented additional checks to prevent similar issues in the future. This experience taught me the importance of thorough testing and communication.
Ques:- Why do you want work in our company?
Asked In :-
Right Answer:
I want to work in your company because I admire your commitment to innovation and quality, and I believe my skills and values align well with your mission. I am excited about the opportunity to contribute to your team and grow professionally in such a dynamic environment.


A System Engineer plays a pivotal role in any IT infrastructure, responsible for designing, implementing, and managing the systems that keep an organization’s technology functioning smoothly. From configuring hardware and software components to managing servers, networks, and cloud environments, their job is to ensure system stability, scalability, and security.

They often collaborate with software developers, network engineers, and IT support teams to identify and resolve system issues proactively. A System Engineer is expected to analyze current infrastructure, recommend improvements, and help scale systems based on business needs. They’re also responsible for ensuring uptime and performance by setting up automated monitoring tools, conducting routine maintenance, and applying security patches and updates.

In today’s hybrid IT environments, System Engineers must also be adept in cloud technologies such as AWS, Azure, or Google Cloud Platform. They might work on virtualization (VMware, Hyper-V), containerization (Docker, Kubernetes), or automation tools (Ansible, Terraform) depending on the organization’s architecture.

Strong analytical skills, a deep understanding of operating systems (like Linux and Windows Server), network protocols, cybersecurity principles, and scripting (Bash, PowerShell, Python) are highly valued in this role. Effective communication and documentation are equally important, especially when working in teams or managing incidents and change controls.

Whether it’s deploying a new server, ensuring high availability, or enhancing system performance, System Engineers form the backbone of IT infrastructure. They ensure the digital ecosystem remains secure, efficient, and aligned with organizational goals.

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