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Sedemac Mechatronics
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I applied via Walk-in and was interviewed in Apr 2024. There was 1 interview round.
Insulators are materials that do not easily allow the flow of electricity, while conductors are materials that allow the flow of electricity.
Insulators have high resistance to electrical current.
Conductors have low resistance to electrical current.
Examples of insulators: rubber, glass, plastic.
Examples of conductors: copper, aluminum, gold.
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I applied via Walk-in and was interviewed before Mar 2021. There were 2 interview rounds.
I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed in Jul 2021. There was 1 interview round.
To convince a customer for a product, I would highlight its unique features, demonstrate its benefits, provide testimonials, and offer a trial or discount.
Highlight the unique features of the product
Demonstrate the benefits it offers
Provide testimonials from satisfied customers
Offer a trial or discount to encourage the customer to try the product
I applied via Recruitment Consulltant and was interviewed in Feb 2022. There was 1 interview round.
I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.
First off all, we ought to have some sortoff automobile and production knowledge because they will definitely check our technical skill secondly, listening skill and fluency plays significant factor
TQBM stands for 'Tudo Que Bem' which means 'Everything is fine' in Portuguese. BOM means 'good' in Portuguese.
TQBM is a common phrase used in Brazil to ask if everything is okay.
BOM is often used as a response to TQBM to indicate that everything is good.
Both TQBM and BOM are informal and commonly used in everyday conversations.
Example: A friend asks 'TQBM?' and you respond 'BOM, e voce?' which means 'Everything is fine
I applied via Company Website
TTR stands for Total Thickness Range and is required for powder coating process to ensure proper adhesion and durability.
TTR is the range of thickness of the substrate and any coatings applied to it
It is important for powder coating as it ensures proper adhesion and durability
If the TTR is too large, the coating may not adhere properly or may crack and peel over time
Examples of substrates with varying TTR include alumi
Detection and prevention poka-yoke refers to the use of techniques to identify and prevent errors in a process.
Poka-yoke is a Japanese term for mistake-proofing
Detection poka-yoke involves identifying errors as they occur
Prevention poka-yoke involves designing processes to prevent errors from occurring
Examples of poka-yoke include using checklists, color-coding, and physical barriers
Poka-yoke can improve quality, reduc
Decrease in pH can occur due to various factors in conversion coating.
Decrease in pH can be caused by the addition of an acid or acidic solution.
Presence of reactive metals in the coating can lead to a decrease in pH.
Contamination by organic materials or impurities can also lower the pH.
Chemical reactions during the conversion coating process may result in pH decrease.
Examples of conversion coatings include phosphating
To prepare 0.1 N H2SO4 & NaOH, calculate the required amount of solute and dissolve it in distilled water.
Calculate the molar mass of H2SO4 and NaOH
Determine the required amount of solute using the formula: N = (W/M) x (1000/V)
Dissolve the calculated amount of solute in distilled water to make 1 liter of solution
Standardize the solution using a primary standard
Use a burette to measure the volume of solution needed for
To cross verify 0.1 normality H2SO4, use a standard solution of NaOH and an indicator.
Prepare a standard solution of NaOH of known concentration.
Add a few drops of an indicator such as phenolphthalein to the H2SO4 solution.
Titrate the H2SO4 solution with the NaOH solution until the endpoint is reached.
The endpoint is when the indicator changes color, indicating that all the H2SO4 has reacted with the NaOH.
Calculate the...
Prepare a pH buffer solution as per defined standard in tablet.
Determine the required pH value and buffer capacity
Select the appropriate buffer system and calculate the required amounts of buffer components
Dissolve the buffer components in water and adjust the pH as necessary
Check the pH and adjust if necessary
Filter the solution and store in a clean container
Use a calibrated pH meter to verify the pH of the solution
I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 3 interview rounds.
A relay holding circuit diagram is used to keep the relay in the energized state even after the control signal is removed.
The circuit typically includes a holding contact that maintains the relay coil energized.
A latching relay can also be used for holding without continuous power supply.
Examples: ladder logic diagram with a holding contact, latching relay circuit diagram.
PNP and NPN are types of bipolar junction transistors commonly used in electronic circuits.
PNP transistor has a layer of N-type semiconductor between two layers of P-type semiconductor, while NPN transistor has a layer of P-type semiconductor between two layers of N-type semiconductor.
In a PNP transistor, current flows from the emitter to the base and then to the collector, while in an NPN transistor, current flows fro...
There are various types of sensors used for different purposes.
Temperature sensors (e.g. thermocouples, thermistors)
Pressure sensors (e.g. piezoelectric sensors)
Motion sensors (e.g. accelerometers, gyroscopes)
Proximity sensors (e.g. ultrasonic sensors)
Light sensors (e.g. photodiodes, phototransistors)
PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.
PLC is used to control machinery in manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability control.
It is programmed using a specialized computer language, typically ladder logic or function block diagram.
PLCs are commonly used in industrie...
I applied via Campus Placement and was interviewed before Apr 2022. There were 2 interview rounds.
Tata Motors is an Indian multinational automotive manufacturing company.
Tata Motors is a subsidiary of Tata Group, one of India's largest conglomerates.
It is the largest automotive manufacturer in India and the 17th largest globally.
Tata Motors produces a wide range of vehicles, including cars, trucks, buses, and military vehicles.
They have a strong presence in both domestic and international markets.
Some popular Tata ...
I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.
Diesel engine works by compressing air in the cylinder and injecting fuel at the right time to ignite the mixture.
Air is compressed in the cylinder by the piston
Fuel is injected into the cylinder at the right time
The heat generated by the compressed air ignites the fuel
The expanding gases push the piston down, creating power
Diesel engines are more efficient than gasoline engines
CC stands for carbon copy, a term used in email communication to indicate additional recipients of a message.
CC is used to send a copy of an email to someone other than the primary recipient
CC recipients are visible to all other recipients of the email
CC is often used for informational purposes or to keep others in the loop
CC can also be used to show transparency in communication
Compression ratio is the ratio of the volume of gas in a cylinder when the piston is at the bottom of its stroke to the volume of gas when the piston is at the top of its stroke.
It is a measure of how much the engine compresses the air/fuel mixture before ignition.
Higher compression ratios can lead to better fuel efficiency and more power.
Compression ratio is calculated by dividing the volume of the cylinder at bottom
Swept volume is the volume of space swept by a piston in an engine cylinder during one stroke.
It is the volume of the combustion chamber when the piston is at the bottom of its stroke subtracted from the volume of the combustion chamber when the piston is at the top of its stroke.
It is used to calculate the engine displacement.
For example, a four-cylinder engine with a 500cc swept volume has a total displacement of 2,0...
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Quality Engineer
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Production Engineer
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Bharat Forge
Bosch
Mahindra Last Mile Mobility
Tata Motors