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Chennai Radha Engineering Works
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Chennai Radha Engineering Works Assistant Electrician Interview Questions and Answers
Chennai Radha Engineering Works Assistant Electrician Interview Experiences
1 interview found
E. Siva
(1 Question)
- Q1. Transformers and it's connections
Top trending discussions
Interview questions from similar companies
(5 Questions)
- Q1. Machinery cable
- Q2. Switches and working switches
- Q3. Cable and swithes
- Q4. Machinery working
- Q5. Cable and swithes load
Selected
I applied via Company Website
Electrician test and all questions
(3 Questions)
- Q1. 2 way wairing And all electrical work
- Q2. 2 way and light and wairing and Earth and all
- Q3. Electrical all questions
Interview Preparation Tips
ITI Electrician Interview Questions & Answers
Kalpataru Projects International
Anonymous
posted on 12 Jul 2024
Selected
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
(2 Questions)
- Q1. Electrician maintenance
- Q2. Superviser electrician
To decide how to work in safety in electrical equipment
(1 Question)
- Q1. Which safety hazard electrical protection
- Ans.
One safety hazard in electrical protection is electric shock.
Electric shock can occur when coming into contact with live electrical parts.
Proper grounding and insulation of electrical equipment is essential to prevent electric shock.
Regular maintenance and inspections of electrical systems can help identify potential hazards.
Using personal protective equipment such as insulated gloves and safety goggles can reduce the ...
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Apr 2022. There were 3 interview rounds.
(1 Question)
- Q1. What is your education How many experience your English knowledge you can talk English and understand English
(1 Question)
- Q1. What is vfd and what is PLC
- Ans.
VFD stands for Variable Frequency Drive and is used to control the speed of an electric motor. PLC stands for Programmable Logic Controller and is used to automate industrial processes.
VFD is used to vary the frequency and voltage supplied to an electric motor, allowing for precise control of its speed.
PLC is a digital computer used to automate industrial processes, such as controlling machinery on a factory assembly l...
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
7 Questions
- Q1. Difference between single phase and three phase?
- Ans.
Single phase and three phase are two types of electrical power distribution systems.
Single phase has one live conductor and one neutral conductor, while three phase has three live conductors and one neutral conductor.
Single phase is commonly used in residential and small commercial applications, while three phase is used in industrial and large commercial applications.
Single phase power supply is suitable for low power...
- Q2. What is the difference between R phase, Y phase, B phase?
- Ans.
R, Y, B phases are the three phases of AC power supply. They differ in their phase angle and voltage level.
R phase has a phase angle of 0 degrees and is usually connected to the red wire.
Y phase has a phase angle of 120 degrees and is usually connected to the yellow wire.
B phase has a phase angle of 240 degrees and is usually connected to the blue wire.
The voltage level of each phase is the same, but they are out of ph...
- Q3. Voltage and current difference between Series and parallel of two or more batteries?
- Ans.
In series, voltage adds up while current remains the same. In parallel, voltage remains the same while current adds up.
In series, batteries are connected end-to-end, positive to negative. In parallel, batteries are connected positive to positive and negative to negative.
Series connection increases voltage but does not increase current. Parallel connection increases current but does not increase voltage.
Series connectio...
- Q4. What are the steps to maintain the battery in periodically?
- Ans.
Periodic maintenance of batteries is crucial for their longevity and optimal performance.
Check the battery terminals for corrosion and clean them if necessary
Inspect the battery case for any cracks or damage
Ensure that the battery is securely fastened in place
Check the electrolyte level and top up with distilled water if required
Test the battery voltage and recharge if necessary
- Q5. How to find in a faulty battery?
- Ans.
A faulty battery can be identified by checking its voltage, capacity, and physical appearance.
Check the voltage of the battery using a multimeter
Test the capacity of the battery using a battery tester
Inspect the physical appearance of the battery for any signs of damage or leakage
Check the battery terminals for corrosion or loose connections
Compare the battery's performance to its specifications
- Q6. What is the difference FUSE, MCB, ELCB, RCCB?
- Ans.
FUSE, MCB, ELCB, and RCCB are all electrical protection devices, but they differ in their functions and applications.
FUSE is a simple device that protects electrical circuits from overloading or short-circuiting by melting and breaking the circuit.
MCB (Miniature Circuit Breaker) is an automatic switch that trips and cuts off the power supply when there is an overload or short-circuit.
ELCB (Earth Leakage Circuit Breaker...
- Q7. Draw the diagram of DOL starter.
- Ans.
A DOL starter is a direct online motor starter that provides full voltage to the motor.
Consists of a contactor, overload relay, and start/stop buttons
The contactor connects the motor to the power supply
The overload relay protects the motor from overloading
The start/stop buttons control the on/off function of the motor
Used for small motors with low starting current
Not suitable for large motors or motors with high starti
Electrician Maintenance Technician Interview Questions & Answers
Shapoorji Pallonji Group
Anonymous
posted on 20 Jun 2024
(2 Questions)
- Q1. What programming languages are you most familiar with?
- Ans.
I am most familiar with programming languages such as Python, Java, and C++.
Python
Java
C++
- Q2. What is your field of expertise and what would you like to learn more about?
Interview Preparation Tips
ITI Electrician Interview Questions & Answers
Kalpataru Projects International
Anonymous
posted on 11 May 2022
I applied via Company Website and was interviewed in May 2022. There were 3 interview rounds.
(2 Questions)
- Q1. When you working. How many year experience
- Q2. Expectation salary. Did you what work in previous company.
(2 Questions)
- Q1. Electrician 3 phase &single phase different
- Ans.
Single phase has one live wire and one neutral wire, while three phase has three live wires and one neutral wire.
Single phase is used for smaller loads like household appliances.
Three phase is used for larger loads like industrial machinery.
Single phase has a lower power output compared to three phase.
Three phase is more efficient and cost-effective for high power applications.
Single phase has a voltage of 230V while t...
- Q2. Mechanical 2 hp motor how kw need
- Ans.
The kW required for a 2 hp motor depends on the efficiency of the motor.
The efficiency of the motor needs to be known to calculate the kW required.
The formula to calculate kW is kW = hp x 0.746 / efficiency.
Assuming an efficiency of 80%, the kW required for a 2 hp motor would be 1.49 kW.
Electrician ITI NCVT college
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. All about of electrical safety and work
- Q2. All work of electrical basic like how to test mager, maltimeter,elcb tester,clamp meter,also earthing tester
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Chennai Radha Engineering Works Assistant Electrician Interview Process
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