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HBL Power Systems Interview Questions and Answers
20 Interview questions
A 3-phase 4 wire system is a type of electrical system commonly used for power distribution.
Consists of three conductors carrying alternating current at the same frequency, with a fourth neutral conductor
Provides a more balanced and efficient power distribution compared to single-phase systems
Commonly used in industrial and commercial applications for higher power requirements
Example: Used in large factories, offi...
A characteristic of digital signal is that it is discrete and represented by binary numbers.
Digital signals are represented by discrete values
Digital signals are represented by binary numbers (0s and 1s)
Digital signals are less susceptible to noise compared to analog signals
L2 and L3 switches are network devices used for packet switching. L2 operates at the data link layer and L3 at the network layer.
L2 switch operates at the data link layer and forwards packets based on MAC addresses
L3 switch operates at the network layer and forwards packets based on IP addresses
L2 switch is used for LAN networks while L3 switch is used for both LAN and WAN networks
L2 switch is faster than L3 switc...
VLANs are virtual LANs that allow network administrators to group devices together based on their functions or departments.
VLANs are used to segment a network into smaller, more manageable groups.
They can be created using network switches or routers.
Each VLAN has its own broadcast domain and can be configured with its own security policies.
VLANs can be created based on different criteria such as department, locati...
Switch configuration involves setting up VLANs, port security, QoS, and other settings to optimize network performance.
Access the switch's command line interface (CLI) using a console cable or remote access software
Configure VLANs to segment network traffic and improve security
Enable port security to prevent unauthorized access to the network
Set up Quality of Service (QoS) to prioritize network traffic and ensure ...
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
Ohm's law is a fundamental law of electrical engineering.
It states that the current through a conductor is directly proportional to the voltage across it.
The proportionality constant is the resistance of the conductor.
The formula for Ohm's law is I = V/R, where I is the current, V ...
The electrolyte used in lead acid battery is sulfuric acid.
Lead acid batteries use sulfuric acid as the electrolyte.
The sulfuric acid reacts with the lead plates to produce electricity.
The concentration of sulfuric acid in the battery determines its voltage.
The electrolyte level in the battery needs to be checked and topped up regularly.
Adding distilled water to the battery can help maintain the electrolyte level.
A battery is a device that stores chemical energy and converts it into electrical energy.
Batteries consist of one or more electrochemical cells
The chemical reactions inside the cells produce a flow of electrons, which can be harnessed as electrical energy
Different types of batteries include alkaline, lithium-ion, and lead-acid
Batteries are commonly used in portable electronic devices, vehicles, and backup power sy...
Arduino is an open-source electronics platform based on easy-to-use hardware and software.
Arduino is used for prototyping and creating interactive electronic projects
It can be used for home automation, robotics, and IoT applications
Arduino boards can be programmed using the Arduino IDE
Arduino has a large community and library of pre-built code and projects
Examples of Arduino projects include a smart thermostat, a ...
Improving battery performance requires optimizing power usage and battery capacity.
Optimize power usage by reducing background processes and unnecessary features
Increase battery capacity by using more efficient battery technology
Implement power-saving modes and battery management features
Regularly update software to fix battery-draining bugs
Educate users on best practices for battery usage
HBL Power Systems Interview Experiences
31 interviews found
Anonymous
Selected
I appeared for an interview in Dec 2022.
(6 Questions)
- Q1. How do u configure switch?
- Ans.
Switch configuration involves setting up VLANs, port security, QoS, and other settings to optimize network performance.
Access the switch's command line interface (CLI) using a console cable or remote access software
Configure VLANs to segment network traffic and improve security
Enable port security to prevent unauthorized access to the network
Set up Quality of Service (QoS) to prioritize network traffic and ensure criti...
- Q2. What is L2 and L3 Switch and it's differences
- Ans.
L2 and L3 switches are network devices used for packet switching. L2 operates at the data link layer and L3 at the network layer.
L2 switch operates at the data link layer and forwards packets based on MAC addresses
L3 switch operates at the network layer and forwards packets based on IP addresses
L2 switch is used for LAN networks while L3 switch is used for both LAN and WAN networks
L2 switch is faster than L3 switch as ...
- Q3. What is MPLS, where it is used
- Ans.
MPLS is a protocol used for efficient packet forwarding in a network. It is used in WANs and service provider networks.
MPLS stands for Multiprotocol Label Switching
It is used to improve the speed and efficiency of network traffic routing
MPLS uses labels to identify the path that packets should take through the network
It is commonly used in WANs and service provider networks to provide Quality of Service (QoS) and traff...
- Q4. Explain about VLANS and how do we create
- Ans.
VLANs are virtual LANs that allow network administrators to group devices together based on their functions or departments.
VLANs are used to segment a network into smaller, more manageable groups.
They can be created using network switches or routers.
Each VLAN has its own broadcast domain and can be configured with its own security policies.
VLANs can be created based on different criteria such as department, location, o...
- Q5. Why do we get hired
- Q6. What do u know about the company
Interview Preparation Tips
Skills evaluated in this interview
ATUL SAXENA
Selected
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
(1 Question)
- Q1. Simple knowledge about battery functions & charger fuction
(1 Question)
- Q1. Salary negotiation
Anwar Ali
Selected
I appeared for an interview before Nov 2023.
(2 Questions)
- Q1. About your previous company and work profile.
- Q2. How many Experience of field.
(2 Questions)
- Q1. All technical basic electronic question.
- Q2. Power supply and ask about soldering .
Fatima Agha
Selected
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
Accounting, banking, management, marketing
Accounting, maths, physics, chemistry
(3 Questions)
- Q1. Electrical engineering
- Q2. Electrical motor
- Q3. Electrical equipment
(2 Questions)
- Q1. Electrical maintenance
- Q2. Electrical motor
Selected
I applied via Referral
(1 Question)
- Q1. Asks about why do you want to join our company
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Aug 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Cost sheet , accounting , sap Co fi module
- Q2. Be thorough with above topics
Interview Preparation Tips
I applied via Approached by Company and was interviewed in May 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Costsheet related Post sale services Costing tools Types of costing Cost centers
- Q2. Complete costing related
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Dec 2022. There were 3 interview rounds.
(3 Questions)
- Q1. What is 3-phase 4 wair system
- Ans.
A 3-phase 4 wire system is a type of electrical system commonly used for power distribution.
Consists of three conductors carrying alternating current at the same frequency, with a fourth neutral conductor
Provides a more balanced and efficient power distribution compared to single-phase systems
Commonly used in industrial and commercial applications for higher power requirements
Example: Used in large factories, office bu...
- Q2. Which of the following is a characteristic of digital signal
- Ans.
A characteristic of digital signal is that it is discrete and represented by binary numbers.
Digital signals are represented by discrete values
Digital signals are represented by binary numbers (0s and 1s)
Digital signals are less susceptible to noise compared to analog signals
- Q3. An electrical signal can be represented in either Thevenin form or Norton From. However, Norton representation is preferred when
- Ans.
Norton representation is preferred when the load impedance is known and fixed.
Norton representation is preferred when the load impedance is known and fixed, as it simplifies calculations.
Thevenin representation is preferred when the load impedance is unknown or variable.
Norton equivalent circuits are easier to analyze in terms of current flow and power calculations.
Thevenin equivalent circuits are easier to analyze in ...
Diploma in electrical engineering
Interview Preparation Tips
shraddha patange
Selected
I appeared for an interview in Mar 2023.
General aptitude quantitative
(2 Questions)
- Q1. Electrical fundamentals
- Q2. Transformers , star and delta connections
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2022. There was 1 interview round.
(2 Questions)
- Q1. What you done best practice in existing company?
- Ans.
Implemented best practices in software development lifecycle, including code reviews and automated testing.
Introduced code reviews to ensure code quality and consistency
Implemented automated testing to catch bugs early in the development process
Utilized version control system effectively to track changes and collaborate with team members
- Q2. What you done best practice in previous years?
- Ans.
Implemented best practices in software development, team collaboration, and project management to enhance efficiency and quality.
Adopted Agile methodologies, leading to a 30% increase in project delivery speed.
Implemented code reviews and pair programming, improving code quality and reducing bugs by 25%.
Introduced automated testing frameworks, which decreased regression issues by 40%.
Established a continuous integratio...
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HBL Power Systems Interviews By Designations
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HBL Power Systems Reviews and Ratings
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Rating in categories
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Engineer
105
salaries
|  ₹2 L/yr - ₹6 L/yr |
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Senior Engineer
102
salaries
| ₹3.8 L/yr - ₹8.4 L/yr |
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Service Engineer
49
salaries
| ₹1 L/yr - ₹5 L/yr |
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Design Engineer
40
salaries
| ₹2 L/yr - ₹7.3 L/yr |
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Assistant Manager
39
salaries
| ₹4 L/yr - ₹11 L/yr |
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