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JCB Diploma Electrical Engineer Interview Questions and Answers
JCB Diploma Electrical Engineer Interview Experiences
1 interview found
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Math, English, Grammar
(3 Questions)
- Q1. What is frequency
- Ans.
Frequency is the number of occurrences of a repeating event per unit of time.
Frequency is measured in Hertz (Hz).
It is commonly used in electrical engineering to describe the rate at which alternating current changes direction.
Higher frequency signals can carry more data but may have shorter range.
Examples of frequency include 50 Hz for power supply in Europe and 60 Hz in the United States.
- Q2. What is difference between fuse and Mcb
- Ans.
A fuse is a one-time use device that melts when there is an overload, while an MCB is a reusable device that trips when there is an overload.
Fuse is a one-time use device, while MCB is reusable
Fuse needs to be replaced after it melts, MCB can be reset
Fuse operates on the principle of thermal or electrical melting, MCB operates on the principle of electromagnetism
Fuse is slower in response time compared to MCB
Examples:
- Q3. What is capacitor
- Ans.
A capacitor is an electronic component that stores electrical energy in an electric field.
Capacitors consist of two conductive plates separated by an insulating material called a dielectric.
Capacitors are commonly used in electronic circuits to store and release electrical energy.
They are used for filtering, smoothing, timing, tuning, and power factor correction in electrical systems.
Examples of capacitors include cera...
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Diploma Trainee Engineer Interview Questions & Answers
Daikin
Ankit Kumar Gupta
posted on 9 Dec 2024
All branch related questions in aptitude
(1 Question)
- Q1. Introduction and told job and responsibilities
(1 Question)
- Q1. Introduction & family
Diploma Electronics Engineer Interview Questions & Answers
LG Electronics
Anonymous
posted on 21 Aug 2023
Selected
I applied via Campus Placement and was interviewed in Jul 2023. There were 2 interview rounds.
(4 Questions)
- Q1. Active components
- Q2. Passive components
- Q3. Signal there are two types
- Q4. (1) Analog signal definition
- Ans.
An analog signal is a continuous signal that represents information using a continuous range of values.
Analog signals can take on any value within a continuous range.
Examples of analog signals include voltage, current, and sound waves.
Analog signals are used in many electronic devices such as radios and televisions.
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. Which liquid is in use battery
- Ans.
The liquid in use in a battery is typically an electrolyte solution.
The most common liquid used in batteries is sulfuric acid.
Other types of batteries may use different electrolyte solutions, such as lithium-ion batteries using lithium salts in organic solvents.
The electrolyte solution allows for the flow of ions between the battery's electrodes, facilitating the chemical reactions that generate electrical energy.
- Q2. Sulfuric acid (H2SO4)
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- Mechanical Engineering
Selected
(1 Question)
- Q1. Question related yo my trade of diploma
(1 Question)
- Q1. About course related subjects
Selected
I applied via Job Portal
(4 Questions)
- Q1. Electrical motors and transformer
- Q2. Transformer ct pt
- Q3. Ac current and DC
- Q4. All topics electrical
Interview Preparation Tips
Diploma Trainee Engineer Interview Questions & Answers
Daikin
Ankit Kumar Gupta
posted on 31 Mar 2024
Selected
I applied via LinkedIn and was interviewed in Oct 2023. There were 3 interview rounds.
Branch and general awareness related
(1 Question)
- Q1. Branch related technical
(1 Question)
- Q1. About yourself and work related
Selected
I applied via campus placement at JALPAIGURI POLYTECHNIC INSTITUTE, Kolkata and was interviewed before Apr 2023. There were 3 interview rounds.
Basic Technical Questions
(1 Question)
- Q1. Relocation,Shift timing
(2 Questions)
- Q1. Technical Questions
- Q2. Electrical Machine
Interview Preparation Tips
I applied via campus placement at AL-Kabir Polytechnic, Jamshedpur and was interviewed in Jun 2022. There were 3 interview rounds.
Mechanical Questions Aptitude Test
(2 Questions)
- Q1. Working Principle of Air Conditioning System, Refrigeration and Air Conditioning.
- Ans.
Air conditioning and refrigeration systems work on the principle of heat transfer and phase change of refrigerant.
Air conditioning system cools and dehumidifies air in a room or building.
Refrigeration system removes heat from a space and transfers it to the outside environment.
Both systems use a refrigerant to absorb and release heat through phase change.
Air conditioning system uses a compressor, evaporator, condenser,...
- Q2. Describe Vapour Compression Refrigeration System.
- Ans.
Vapour Compression Refrigeration System is a common refrigeration system used in air conditioning and refrigeration applications.
It works by compressing refrigerant vapor to increase its temperature and pressure.
The high-pressure vapor then condenses into a liquid, releasing heat.
The liquid refrigerant then passes through an expansion valve, where it evaporates and cools the surrounding area.
The low-pressure vapor is t...
(1 Question)
- Q1. Introduction About you Family and educations, Last employment,etc
Interview Preparation Tips
I love work with Daikin Family.
Thank you.
Selected
I applied via Referral and was interviewed in Aug 2022. There were 4 interview rounds.
Normal technical based questions
(1 Question)
- Q1. Total diploma based questions
(1 Question)
- Q1. This about my family background and my goal and etc
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JCB Diploma Electrical Engineer Interview Process
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