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I applied via Walk-in and was interviewed in Feb 2024. There was 1 interview round.
AVR (Automatic Voltage Regulator) is a device used to maintain a constant voltage level for electrical equipment.
AVR monitors the output voltage of a generator and adjusts the excitation current to maintain a constant voltage level.
It helps protect electrical equipment from damage due to voltage fluctuations.
AVR is commonly used in power plants, industrial facilities, and backup generators.
Examples of AVR brands includ
MRN relay is a type of protective relay used in electrical systems to detect faults and isolate them to prevent damage.
MRN relay stands for Minimum Restart Voltage relay
It operates by monitoring the voltage level of the system and tripping when the voltage drops below a certain threshold
It is used to protect equipment from damage due to low voltage conditions
MRN relay can be used in various applications such as motor p...
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
MCQ Based where few questions were asked as per your subject knowledge
posted on 31 Oct 2022
I applied via Company Website and was interviewed in Oct 2022. There were 6 interview rounds.
Basic mathematics, physics and chemistry, reasoning, general knowledge questions
Concurrent force is the combination of two or more forces acting on a single point simultaneously.
Concurrent force is a vector quantity.
The resultant of concurrent forces can be found using the parallelogram law of vector addition.
Examples of concurrent forces include the forces acting on a seesaw or a crane.
The point of intersection of the concurrent forces is called the point of concurrency.
Parallelogram law states that the sum of the squares of the diagonals of a parallelogram is equal to the sum of the squares of its sides.
Parallelogram law is used in vector addition and subtraction.
It is also known as the parallelogram identity.
The law can be expressed as: AB^2 + BC^2 + 2(AB)(BC)cos(θ) = AC^2
Where AB, BC, and AC are sides of the parallelogram and θ is the angle between AB and BC.
For example, if AB = 3 ...
4-stroke engine and diesel Otto cycle explained
A 4-stroke engine completes a cycle in four strokes: intake, compression, power, and exhaust
Diesel Otto cycle is a thermodynamic cycle used in diesel engines
Diesel Otto cycle consists of four processes: intake, compression, power, and exhaust
The main difference between gasoline and diesel engines is the way fuel is ignited
Gasoline engines use spark plugs to ignite the fuel...
The 14th law of management is the law of balance.
The law of balance states that there should be a balance between the needs of the organization and the needs of the individuals working in it.
It emphasizes the importance of maintaining a balance between the different aspects of management such as planning, organizing, staffing, directing, and controlling.
The law of balance also stresses the need for a balance between sh...
There are several types of beams used in construction, including I-beams, H-beams, and T-beams.
I-beams are also known as W-beams and are shaped like an I
H-beams are shaped like an H and are commonly used in construction
T-beams are shaped like a T and are used in construction for bridges and other structures
Other types of beams include box beams, channel beams, and angle beams
Yield point is the stress at which a material begins to deform plastically.
Yield point is the point on a stress-strain curve where the material starts to deform plastically.
It is the stress at which the material no longer behaves elastically.
The yield point is important in determining the strength and ductility of a material.
The yield point can be determined by plotting a stress-strain curve and finding the point where...
Generally give us a tropic .. globalisation explain how to implement better of us
I applied via Company Website and was interviewed before Jan 2022. There were 4 interview rounds.
80 question in 30 min not so difficult but you have to fast to get good marks.
Jbm Nmpl interview questions for popular designations
I applied via Campus Placement and was interviewed before Jul 2021. There were 4 interview rounds.
General mathematics, English, Reasoning
Improving power factor involves reducing reactive power and increasing the ratio of real power to apparent power.
Install power factor correction capacitors to offset reactive power.
Avoid using inefficient or oversized motors and equipment.
Implement energy-efficient lighting systems.
Optimize the operation of power factor correction equipment.
Educate employees on energy conservation practices.
The color code of 3-phase supply varies depending on the country and electrical standards.
In the United States, the color code for 3-phase supply is typically black, red, and blue.
In Europe, the color code is often brown, black, and gray.
Other countries may have different color codes, so it is important to consult local electrical standards.
The color coding helps identify the different phases and ensure proper electric
Voltage neutral refers to the point in an electrical system where the voltage is close to zero.
Voltage neutral is the reference point in an electrical circuit where the voltage is considered to be zero.
It is typically the midpoint between the positive and negative terminals of a power source.
In a balanced three-phase system, the neutral conductor carries the current resulting from the imbalance of the three phases.
The ...
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformers are used to increase or decrease the voltage of an alternating current (AC) power supply.
They consist of two or more coils of wire, known as windings, that are wound around a core made of magnetic material.
The primary winding is connected to the power source, while the secon...
Star and delta connections are two common methods used to connect three-phase electrical systems.
Star connection, also known as Wye connection, is formed by connecting all three phases together at a common point and connecting the other ends to the respective loads.
Delta connection, also known as Mesh connection, is formed by connecting the end of one phase to the start of the next phase in a circular loop.
Star connect...
An auto transformer is a type of transformer that has a single winding with multiple taps.
Auto transformers have a common winding for both primary and secondary coils.
They are used to step up or step down voltage levels.
Auto transformers are more efficient and compact compared to conventional transformers.
They are commonly used in power transmission and distribution systems.
Example: A 220V to 110V auto transformer can ...
I applied via Walk-in and was interviewed in Jan 2022. There was 1 interview round.
I applied via Referral and was interviewed in Nov 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Oct 2020. There were 5 interview rounds.
I applied via Walk-in and was interviewed before Jun 2021. There were 3 interview rounds.
GK, ENGLISH, MATHS
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