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SHYAM METALICS AND ENERGY
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I applied via Campus Placement and was interviewed in Feb 2023. There were 2 interview rounds.
Blast furnace is a smelting furnace used to extract iron from iron ore.
Iron ore, coke, and limestone are added to the top of the furnace.
Hot air is blown into the bottom of the furnace to create a high temperature.
The coke reacts with the hot air to produce carbon monoxide, which reduces the iron ore to iron.
The limestone reacts with impurities in the iron ore to form slag, which is removed from the bottom of the furna...
Sinter is a high-quality raw material used in blast furnaces. It is made by heating iron ore fines and other materials.
Sintering is a process of compacting and forming a solid mass of material by heat or pressure without melting it.
In a sinter plant, iron ore fines, coke breeze, limestone, and other additives are mixed and granulated.
The granulated mixture is then fed onto a sinter machine, where it is heated to form a...
Sinter is a porous material formed by heating a mixture of iron ore fines, limestone, and coke breeze. The size of sinter varies depending on its intended use.
Sinter is used in the production of iron and steel.
The size of sinter can range from small pellets to large blocks.
The size of sinter is determined by the size of the sintering machine used.
Sinter can be classified into different sizes such as fine, coarse, and l...
The iron formed in blast furnace is pig iron.
Pig iron is the product of smelting iron ore with coke and limestone in a blast furnace.
It is a brittle material with high carbon content and contains impurities like sulfur, phosphorus, and silicon.
Pig iron is further processed to produce steel or cast iron.
The composition of pig iron varies depending on the quality of the iron ore and the process used in the blast furnace.
I was interviewed before Jan 2024.
I applied via Referral and was interviewed before Dec 2023. There was 1 interview round.
Fleming's Left Hand Rule and Right Hand Rule are used to determine the direction of force, current, or magnetic field in electromagnetism.
Fleming's Left Hand Rule is used to determine the direction of force on a current-carrying conductor in a magnetic field.
Fleming's Right Hand Rule is used to determine the direction of induced current in a conductor moving in a magnetic field.
Both rules are based on the relationship ...
Motors convert electrical energy into mechanical energy, while generators convert mechanical energy into electrical energy.
Motors work on the principle of electromagnetic induction, where a current-carrying conductor experiences a force in a magnetic field.
Generators work on the principle of Faraday's law of electromagnetic induction, where a changing magnetic field induces an electromotive force in a conductor.
Motors ...
A transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
Transformers have two coils of wire, known as the primary and secondary coils, which are wound around a core made of ferromagnetic material.
When an alternating current flows through the primary coil, it creates a changing magnetic field around the coil.
This changing magnetic field induces a volta...
The control circuit of a star-delta starter involves two contactors and a timer for smooth transition from star to delta connection.
The control circuit includes a main contactor for connecting the motor in star during starting.
A timer is used to delay the transition from star to delta connection to prevent sudden voltage spikes.
Once the timer elapses, a delta contactor is energized to switch the motor windings from sta...
Safety devices used in conveyor belts include pull cord switches, belt sway switches, and emergency stop switches.
Pull cord switches are used to stop the conveyor belt in case of emergency by pulling the cord.
Belt sway switches are used to detect any misalignment or deviation of the belt and trigger an alarm or stop the conveyor.
Emergency stop switches are placed at regular intervals along the conveyor belt to quickly
Electrical preventive maintenance activities include inspection, testing, cleaning, and replacement of components to prevent breakdowns.
Regular inspection of electrical systems
Testing of equipment for proper functioning
Cleaning of electrical components to prevent dust buildup
Replacement of worn out or damaged parts
Tightening of connections to prevent loose connections
Checking for overheating issues
Updating software/fir...
The generator excitation system is a system that provides the necessary field current to the generator rotor to produce the desired voltage output.
The excitation system controls the magnetic field strength of the generator to regulate the output voltage.
It typically consists of an exciter, voltage regulator, and automatic voltage regulator (AVR).
The exciter produces the field current, the voltage regulator adjusts the ...
Common malfunctions and troubleshooting methods for electrical feeders
Common malfunctions include short circuits, overloads, and open circuits
Troubleshooting methods involve checking for loose connections, using a multimeter to test for continuity, and inspecting for physical damage
In case of a short circuit, isolate the fault by disconnecting sections of the feeder until the fault is located
For overloads, check the lo...
The minimum megger value required for high tension (HT) and low tension (LT) motors is typically 500V for HT motors and 250V for LT motors.
Minimum megger value for HT motors is usually 500V
Minimum megger value for LT motors is typically 250V
Megger testing is essential to ensure insulation resistance in motors
A Megger generates DC voltage to test insulation resistance in electrical systems.
A Megger generates DC voltage typically ranging from 250V to 5000V
The reason for using DC voltage is to accurately measure the insulation resistance of electrical systems
DC voltage helps in detecting any insulation faults or breakdowns in the system
The high voltage generated by a Megger helps in identifying potential issues before they ca
The Megger value of unsatisfactory insulation can be improved by drying out the insulation, repairing any damaged areas, and retesting.
Dry out the insulation using heaters or fans to remove moisture
Repair any damaged areas by replacing or patching up the insulation
Retest the insulation using the Megger to ensure the value has improved
Consider using insulation coatings or sealants to improve the insulation resistance
Maintenance practices for transformers include regular inspections, testing, cleaning, and oil analysis.
Regularly inspecting for signs of overheating, leaks, or damage
Performing routine testing such as insulation resistance and turns ratio tests
Keeping the transformer and surrounding area clean and free of debris
Conducting oil analysis to monitor the condition of the transformer oil
Ensuring proper ventilation and cooli...
Steps to be taken if a transformer trips due to Buchholz relay acting
Immediately isolate the transformer from the system to prevent further damage
Inspect the transformer and Buchholz relay for any faults or leaks
Reset the Buchholz relay and check for proper functioning
Investigate the cause of the trip such as internal faults or oil contamination
Repair or replace any faulty components before re-energizing the transforme
Protective measures for a transformer include overcurrent protection, temperature monitoring, and regular maintenance.
Overcurrent protection: Use fuses or circuit breakers to protect against excessive current flow.
Temperature monitoring: Install temperature sensors to prevent overheating.
Regular maintenance: Inspect and test the transformer regularly to ensure proper functioning.
Grounding: Properly ground the transform...
Bus changeover scheme is a system used to transfer power supply from one source to another in case of a fault or maintenance.
Bus changeover scheme involves the use of automatic transfer switches (ATS) or manual switches to transfer power sources.
It ensures uninterrupted power supply by quickly switching to an alternate power source when needed.
Common examples include dual power supply systems in data centers or hospita...
I applied via Approached by Company and was interviewed in Mar 2023. There were 4 interview rounds.
SHYAM METALICS AND ENERGY interview questions for popular designations
I applied via Walk-in and was interviewed before May 2021. There were 2 interview rounds.
Get interview-ready with Top SHYAM METALICS AND ENERGY Interview Questions
I applied via Walk-in and was interviewed in Jul 2023. There were 3 interview rounds.
Assistant fitter & taker welder
I applied via Walk-in and was interviewed before Jan 2024. There were 2 interview rounds.
I am a detail-oriented Quality Controller with 5 years of experience in ensuring products meet quality standards.
5 years of experience in quality control
Detail-oriented and meticulous in ensuring products meet quality standards
Strong knowledge of quality control processes and procedures
Experience in conducting quality inspections and audits
Effective communication skills to work with production teams and suppliers
Manufacturing industries involve the production of goods through the use of machinery, labor, and raw materials.
Manufacturing industries typically involve the production of physical goods such as automobiles, electronics, textiles, and food products.
These industries often utilize machinery, assembly lines, and automation to streamline production processes.
Quality control is crucial in manufacturing industries to ensure...
The process for conducting tests in a laboratory involves sample collection, preparation, analysis, and interpretation of results.
Collect samples from the source
Prepare samples for testing (e.g. extraction, dilution)
Conduct tests using appropriate equipment and methods
Analyze test results for accuracy and consistency
Interpret results based on established criteria
Document findings and report results
Safety protocols in a laboratory include wearing appropriate personal protective equipment, following proper handling procedures, and maintaining a clean work environment.
Always wear appropriate personal protective equipment such as gloves, lab coats, and safety goggles.
Follow proper handling procedures for chemicals, equipment, and samples to prevent accidents.
Maintain a clean work environment by regularly cleaning an...
I applied via Approached by Company and was interviewed before Jan 2024. There was 1 interview round.
I have worked with several DCS systems including Honeywell Experion PKS, Emerson DeltaV, and Siemens PCS 7.
Honeywell Experion PKS
Emerson DeltaV
Siemens PCS 7
Yes, I am interested in joining your company as an Executive Engineer.
I have the necessary skills and experience for the role
I am excited about the opportunity to contribute to the company's success
I believe in the company's values and vision
I applied via LinkedIn and was interviewed in Oct 2022. There were 2 interview rounds.
I was interviewed before Jan 2024.
A transformer operates on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
Transformers consist of two coils of wire, known as the primary and secondary coils, wrapped around a core made of ferromagnetic material.
When an alternating current flows through the primary coil, it creates a changing magnetic field in the core.
This changing magnetic field induces a voltage ...
A transformer's rated capacity is expressed in terms of its maximum power output, typically in kilovolt-amperes (kVA).
Rated capacity is expressed in kVA to indicate the maximum power output the transformer can handle.
This rating helps determine the appropriate size of transformer needed for a specific application.
For example, a transformer with a rated capacity of 500 kVA can handle a maximum power output of 500 kilovo...
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