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SHYAM METALICS AND ENERGY
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I applied via AmbitionBox and was interviewed in Dec 2024. There were 5 interview rounds.
An overload relay works by monitoring the current flowing through a motor and tripping when the current exceeds a set limit.
Monitors the current flowing through a motor
Trips and interrupts power when current exceeds a set limit
Protects the motor from damage due to overloading
Can be reset manually after tripping
Insulation resistance is measured using a megohmmeter to apply a high voltage and measure the resistance of the insulation material.
Use a megohmmeter to apply a high voltage to the insulation material
Measure the resistance of the insulation material to determine its insulation resistance
Insulation resistance is typically measured in megaohms (MΩ)
Regular insulation resistance testing helps prevent electrical failures an
Electrical safety can be ensured by following proper procedures, using appropriate equipment, and staying vigilant.
Always use insulated tools when working on live circuits
Ensure circuits are de-energized before working on them
Wear appropriate personal protective equipment (PPE) such as gloves and goggles
Regularly inspect and maintain electrical equipment to prevent malfunctions
Follow safety guidelines and procedures ou
Preventive maintenance on a motor involves inspecting, cleaning, lubricating, and testing the motor to ensure optimal performance and prevent breakdowns.
Inspect the motor for any signs of wear or damage
Clean the motor and its components to remove dirt and debris
Lubricate moving parts to reduce friction and wear
Test the motor's performance using appropriate tools and equipment
Replace any worn out parts or components as
To succeed in an interview, it is important to prepare thoroughly, practice common interview questions, research the company, dress professionally, and demonstrate enthusiasm and confidence.
Thoroughly research the company and the position you are applying for
Practice common interview questions and prepare examples of your skills and experiences
Dress professionally and appropriately for the interview
Demonstrate enthusia...
A star-delta starter is used to reduce the starting current of a motor by initially connecting the motor windings in a star configuration and then switching to a delta configuration.
The motor windings are initially connected in a star configuration during starting to reduce the starting current.
After a certain period, the windings are switched to a delta configuration to achieve full speed and torque.
This transition fr...
Undervoltage faults occur when the voltage in a system drops below the normal operating level, leading to potential equipment damage or malfunction.
Undervoltage faults can be caused by issues such as power supply fluctuations, equipment failures, or overloaded circuits.
These faults can lead to equipment damage, reduced efficiency, or complete shutdown of systems.
Examples include a power surge causing a drop in voltage,...
Overvoltage faults are electrical faults that occur when the voltage in a circuit exceeds the normal operating range.
Overvoltage faults can damage electrical components and equipment.
They can be caused by lightning strikes, power surges, or faulty equipment.
Protective devices like surge protectors and voltage regulators can help prevent overvoltage faults.
Examples include a power surge from a lightning strike damaging ...
A thermal relay is used to protect electrical circuits from overloads by monitoring the temperature of the circuit and tripping when it exceeds a certain threshold.
Monitors the temperature of the electrical circuit
Trips and disconnects the circuit when temperature exceeds a set limit
Protects against overloads and overheating
Commonly used in motor protection applications
An RDOL starter is a type of reduced voltage starter used in electrical systems to reduce the starting current and torque of a motor.
RDOL stands for Reduced Direct Online starter.
It is used to start induction motors in a controlled manner.
RDOL starters reduce the voltage supplied to the motor during starting to limit the inrush current.
This helps in reducing mechanical stress on the motor and connected equipment.
Common...
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posted on 29 Nov 2022
I applied via Walk-in and was interviewed in May 2022. There was 1 interview round.
The capacity of a furnace refers to its heating output, typically measured in BTUs or tons.
Furnace capacity is determined by the amount of heat it can produce.
It is usually measured in BTUs (British Thermal Units) or tons.
Higher capacity furnaces can produce more heat and are suitable for larger spaces.
For example, a furnace with a capacity of 80,000 BTUs can heat a larger area compared to one with a capacity of 40,000
Drive components in CCM department are the parts that enable the motor to function properly.
Drive components include motors, gears, belts, and pulleys.
They work together to transfer power from the motor to the machine.
The components must be properly sized and aligned to ensure efficient operation.
Examples of machines that use drive components include conveyor belts, pumps, and fans.
posted on 26 Feb 2024
I applied via Approached by Company and was interviewed in Aug 2023. There were 2 interview rounds.
Very polite and friendly
posted on 21 Sep 2023
I applied via Campus Placement and was interviewed in Mar 2023. There were 3 interview rounds.
The current situation in the electrical engineering field is rapidly evolving with advancements in technology and increasing demand for sustainable energy solutions.
Advancements in renewable energy sources such as solar and wind power are shaping the future of electrical engineering.
The integration of smart grid technology and Internet of Things (IoT) in electrical systems is becoming more prevalent.
Electric vehicles a...
posted on 19 Aug 2024
I applied via Campus Placement and was interviewed in Jul 2024. There was 1 interview round.
A step up transformer is a type of transformer that increases the voltage level from the input side to the output side.
Consists of more turns on the secondary coil than the primary coil
Used to increase voltage levels for long distance power transmission
Commonly found in power distribution systems and electrical grids
A distribution transformer is a device used to step down high voltage electricity to a lower voltage suitable for use in homes and businesses.
Converts high voltage electricity from power lines to lower voltage for distribution
Commonly used in electrical distribution systems
Helps reduce voltage for safe use in homes and businesses
Can be mounted on poles or placed on the ground
Examples: pole-mounted distribution transfor
An alternator is a device that converts mechanical energy into electrical energy in the form of alternating current.
An alternator is commonly used in vehicles to charge the battery and power the electrical system.
It consists of a rotor, stator, diode rectifier, and voltage regulator.
Alternators produce alternating current (AC) which is then converted to direct current (DC) for use in the vehicle.
They are more efficient...
A synonyms machine is a tool or software that helps find alternative words with similar meanings for a given word.
A synonyms machine can be a thesaurus or a feature in word processing software.
It helps writers and speakers find the right word to convey their message effectively.
Examples include online thesauruses like Thesaurus.com or built-in thesaurus in Microsoft Word.
A hysteresis motor is a type of synchronous motor that operates based on the hysteresis effect in magnetic materials.
Hysteresis motors have a rotor made of a magnetic material with high hysteresis, such as cobalt steel.
They do not require a separate DC excitation like other synchronous motors.
Hysteresis motors are known for their smooth operation and low noise levels.
They are commonly used in applications where precise...
posted on 23 Jan 2025
I was interviewed before Jan 2024.
posted on 4 Jan 2023
Home load of a power plant is received through a distribution network.
Home load is received from the power plant through a distribution network.
The power plant generates electricity and sends it to a substation.
The substation then distributes the electricity to homes through power lines.
The distribution network ensures that the electricity reaches each home efficiently.
Examples of distribution networks include overhead
A blackout condition refers to a complete loss of electrical power in a specific area or across a larger region.
Blackouts can be caused by various factors such as equipment failure, severe weather conditions, or intentional power cuts.
During a blackout, all electrical devices and systems dependent on electricity cease to function.
Blackouts can last for a few seconds, minutes, hours, or even days depending on the cause ...
posted on 23 Feb 2023
I applied via Walk-in and was interviewed in Jan 2023. There were 2 interview rounds.
posted on 8 Jul 2024
I applied via Walk-in and was interviewed in Jan 2024. There were 2 interview rounds.
Mathematics,reasoning,science
An induction motor works on the principle of electromagnetic induction to generate rotating magnetic fields.
Induction motor has a stator with a set of windings that are connected to an AC power source.
When AC current flows through the stator windings, it creates a rotating magnetic field.
This rotating magnetic field induces current in the rotor windings, causing the rotor to rotate.
The speed of the rotor rotation is sl...
The symbols of logic gates include AND gate (&), OR gate (|), NOT gate (!), XOR gate (^), NAND gate (|), NOR gate (&), and XNOR gate (=).
AND gate symbol: &
OR gate symbol: |
NOT gate symbol: !
XOR gate symbol: ^
NAND gate symbol: |
NOR gate symbol: &
XNOR gate symbol: =
posted on 14 Sep 2022
I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.
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