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An induction motor works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Induction motor has a stator and a rotor
When AC current flows through the stator windings, it creates a rotating magnetic field
The rotating magnetic field induces currents in the rotor windings, causing it to rotate
The rotor always lags slightly behind the rotating magnetic field, creating torque
Co...
Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction.
There are two main types of transformers: step-up transformers and step-down transformers.
Step-up transformers increase voltage levels, while step-down transformers decrease voltage levels.
Transformers work on the principle of electromagnetic induction, where a changing magnetic field induc...
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posted on 20 Jan 2023
posted on 17 Feb 2022
I applied via Walk-in and was interviewed in Aug 2021. There were 3 interview rounds.
Refrigerators work by removing heat from the interior and expelling it to the exterior.
Refrigerators use a refrigerant to absorb heat from the interior and release it outside
The refrigerant is compressed to increase its temperature and then allowed to expand, which cools it down
The cooled refrigerant absorbs heat from the interior of the refrigerator, lowering its temperature
The heat absorbed by the refrigerant is then...
Parts of centrifugal pump
Impeller
Casing
Shaft
Bearings
Seals
Suction pipe
Discharge pipe
Air conditioner working depends on various factors such as power supply, thermostat settings, and proper maintenance.
The air conditioner needs a power supply to function properly.
The thermostat settings should be adjusted according to the desired temperature.
Regular maintenance such as cleaning the filters and coils is necessary for optimal performance.
If the air conditioner is not cooling properly, it could be due to ...
I was interviewed in Jul 2023.
Welding work in workshop involves joining metal pieces together using heat and/or pressure.
Requires knowledge of different welding techniques such as MIG, TIG, and stick welding
Safety precautions must be followed to prevent injuries and damage
Proper ventilation is necessary to avoid inhaling harmful fumes
Regular maintenance of welding equipment is essential for optimal performance
posted on 28 Sep 2023
I applied via Walk-in and was interviewed in Mar 2023. There were 3 interview rounds.
Bearings are machine elements that allow relative motion between two surfaces, reducing friction and supporting loads.
Bearings are classified into various types such as ball bearings, roller bearings, plain bearings, and fluid bearings.
Ball bearings use balls to maintain separation between the moving parts, reducing friction.
Roller bearings use cylindrical rollers to support radial and axial loads.
Plain bearings have a...
Couplings are mechanical devices used to connect two shafts together at their ends for the purpose of transmitting power.
Couplings are used to transmit power from one shaft to another without misalignment.
There are various types of couplings such as rigid couplings, flexible couplings, fluid couplings, and magnetic couplings.
Examples of couplings include gear couplings, grid couplings, jaw couplings, and disc couplings
I applied via Company Website and was interviewed before May 2023. There was 1 interview round.
Cement making involves several processes including crushing, grinding, heating, and mixing raw materials to produce the final product.
Crushing: Raw materials like limestone, clay, and iron ore are crushed into small pieces.
Grinding: The crushed materials are then ground into a fine powder.
Heating: The powdered materials are heated in a kiln at high temperatures to form clinker.
Mixing: The clinker is mixed with gypsum a...
I applied via Approached by Company and was interviewed in Mar 2021. There were 2 interview rounds.
posted on 4 Apr 2023
I applied via campus placement at Government Engineering College, Bilaspur
Questions related to engineering and college project
Bearing is a machine element that supports a rotating shaft and reduces friction between moving parts
Enthalpy is the amount of heat released or absorbed in a system at constant pressure, while entropy is the measure of disorder or randomness in a system
Heat pump is a device that transfers heat from a colder area to a hotter area, while working on the principle of refr...
posted on 17 Feb 2022
I applied via Walk-in and was interviewed in Aug 2021. There were 3 interview rounds.
Refrigerators work by removing heat from the interior and expelling it to the exterior.
Refrigerators use a refrigerant to absorb heat from the interior and release it outside
The refrigerant is compressed to increase its temperature and then allowed to expand, which cools it down
The cooled refrigerant absorbs heat from the interior of the refrigerator, lowering its temperature
The heat absorbed by the refrigerant is then...
Parts of centrifugal pump
Impeller
Casing
Shaft
Bearings
Seals
Suction pipe
Discharge pipe
Air conditioner working depends on various factors such as power supply, thermostat settings, and proper maintenance.
The air conditioner needs a power supply to function properly.
The thermostat settings should be adjusted according to the desired temperature.
Regular maintenance such as cleaning the filters and coils is necessary for optimal performance.
If the air conditioner is not cooling properly, it could be due to ...
I applied via Company Website and was interviewed in Jul 2023. There were 3 interview rounds.
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