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Jayaswal Neco Industries Electrician Interview Questions and Answers
Jayaswal Neco Industries Electrician Interview Experiences
1 interview found
Anonymous
I applied via Walk-in and was interviewed before Feb 2021. There was 1 interview round.
(2 Questions)
- Q1. How work are star delta starter, types of dc generator, tube light connection circuit, diagram, toway switch connection,
- Ans.
The question covers topics related to electrical circuits and devices.
Star delta starter is used to reduce the starting current of induction motors.
Types of DC generators include shunt, series, and compound generators.
Tube light connection circuit involves connecting the starter, choke, and tube light in series.
Two-way switch connection is used to control a single light or group of lights from two different locations.
- Q2. Types of starter,star delta starter draw circuit diagram , what is star delta connection, types of transformer & their types, how works bukols relay , types of dc motor & use
- Ans.
The answer includes information about types of starters, star delta connection, types of transformers, working of bukols relay, and types of DC motors.
Types of starters include direct-on-line starter, star delta starter, auto transformer starter, and resistance starter.
Star delta starter is used to reduce the starting current of induction motors.
Star delta starter circuit diagram consists of three contactors, a timer, ...
Interview Preparation Tips
- Generator, motor, transform
- Motor starters
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I applied via Naukri.com and was interviewed before May 2021. There were 2 interview rounds.
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Selected
I applied via Recruitment Consulltant and was interviewed in May 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Electric releted
- Q2. Motor dol star delta starter
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. What is contractor.?
- Ans.
A contractor is a person or company hired to perform a specific task or project for a client.
Contractors are often hired for construction projects, electrical work, plumbing, and other specialized tasks.
They are typically paid on a project-by-project basis, rather than receiving a salary or hourly wage.
Contractors may work independently or as part of a larger company.
They are responsible for providing their own tools, ...
- Q2. What is rectifier.?
- Ans.
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
Rectifiers are commonly used in power supplies for electronic devices.
They can be made using diodes or other semiconductor devices.
Rectifiers are essential for many electronic devices to function properly.
Examples of rectifiers include bridge rectifiers, half-wave rectifiers, and full-wave rectifiers.
- Q3. What is vvF...?
- Ans.
vvF is not a recognized term in the field of electrical engineering.
vvF is not a standard unit of measurement or abbreviation in the electrical field.
It is possible that the interviewer made a mistake or was testing the candidate's ability to admit when they don't know something.
The candidate could respond by politely asking for clarification or admitting that they are not familiar with the term.
Abhishek Singh
(2 Questions)
- Q1. Working of reverse forward with drive .
- Ans.
Reverse forward with drive is a control method used in electrical systems to change the direction of rotation of a motor.
Reverse forward with drive is achieved by using a motor controller that can switch the polarity of the motor's power supply to change its direction of rotation.
This method is commonly used in applications where the motor needs to be able to run in both forward and reverse directions, such as in conve...
- Q2. Power and control wiring of EOT crane.
- Ans.
Power and control wiring of EOT crane involves connecting electrical components to ensure proper functioning.
Power wiring includes connecting the main power supply to the crane motor and other electrical components.
Control wiring involves connecting control devices such as push buttons, limit switches, and relays to control the movement of the crane.
Proper labeling and color-coding of wires is essential for easy troubl...
(1 Question)
- Q1. What is interested for you in this company.
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I applied via Company Website and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Transformers HT LT pana DG
(2 Questions)
- Q1. Tell me about yourself
- Q2. Tell me about your quallification
- Ans.
I am a certified electrician with a diploma in Electrical Engineering and 5 years of hands-on experience.
Certified electrician
Diploma in Electrical Engineering
5 years of hands-on experience
Interview Preparation Tips
(2 Questions)
- Q1. Basic electrical, wiring diagram, motor ,generator, alternator, basic electronic,
- Q2. Basic electrical, wiring diagram ,motor ,generator,alternator ,power generation
(2 Questions)
- Q1. Basic electrical ,wiring diagram ,motor ,generator, alternator,lighting
- Q2. Basic electrical ,transformer, motor ,generator, alternator, basic electronic
Motor mantain ,conveyor belt safety device like bss, zss, installation
Interview Preparation Tips
(2 Questions)
- Q1. Unit of resistance
- Ans.
Ohm
Unit of resistance in electrical circuits
Symbol is Ω (omega)
Named after German physicist Georg Simon Ohm
Measured using an ohmmeter
- Q2. Unit of current
- Ans.
The unit of current is Ampere (A)
The unit of current is Ampere (A)
Current is the flow of electric charge in a circuit
1 Ampere is equal to 1 Coulomb per second
Commonly used prefixes for current are milliampere (mA) and microampere (μA)
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Chemical analysis of chromite ore by ICP OES
- Ans.
ICP OES is a technique used for chemical analysis of chromite ore.
ICP OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.
It is a powerful analytical technique used for the determination of trace elements in a variety of matrices.
ICP OES can be used to determine the concentration of elements such as Cr, Fe, Mg, Al, and Si in chromite ore.
The technique involves the excitation of atoms in a sample usi...
- Q2. Principle of ICP oes
- Ans.
ICP-OES is a technique used for elemental analysis in which a sample is vaporized and excited by a plasma to emit light.
ICP-OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.
It is used to determine the concentration of elements in a sample.
The sample is vaporized and excited by a plasma to emit light, which is then analyzed to determine the elemental composition.
ICP-OES is commonly used in environ...
- Q3. Weight chemical analysis of chromite ore
- Ans.
Weight chemical analysis of chromite ore involves determining the percentage of various elements present in the ore.
The ore is first crushed and ground into a fine powder.
The powder is then mixed with various chemicals to dissolve the elements of interest.
The resulting solution is then analyzed using various techniques such as atomic absorption spectroscopy or inductively coupled plasma mass spectrometry.
The percentage...
- Q4. Knowledge of NABL
- Q5. Knowledge of ISO 17025,ISO 9001,ISO 450001, IMS
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