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I applied via Recruitment Consulltant and was interviewed in Sep 2022. There were 2 interview rounds.
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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 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 Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
ICP OES is a technique used for chemical analysis of chromite ore.
ICP OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.
It is a powerful analytical technique used for the determination of trace elements in a variety of matrices.
ICP OES can be used to determine the concentration of elements such as Cr, Fe, Mg, Al, and Si in chromite ore.
The technique involves the excitation of atoms in a sample usi...
ICP-OES is a technique used for elemental analysis in which a sample is vaporized and excited by a plasma to emit light.
ICP-OES stands for Inductively Coupled Plasma Optical Emission Spectroscopy.
It is used to determine the concentration of elements in a sample.
The sample is vaporized and excited by a plasma to emit light, which is then analyzed to determine the elemental composition.
ICP-OES is commonly used in environ...
Weight chemical analysis of chromite ore involves determining the percentage of various elements present in the ore.
The ore is first crushed and ground into a fine powder.
The powder is then mixed with various chemicals to dissolve the elements of interest.
The resulting solution is then analyzed using various techniques such as atomic absorption spectroscopy or inductively coupled plasma mass spectrometry.
The percentage...
I applied via Approached by Company and was interviewed before Jan 2022. There were 2 interview rounds.
Jon experience during special training
Company's expansion plan in India
I applied via Job Portal and was interviewed in Dec 2023. There was 1 interview round.
Types of fire extinguishers include water, foam, CO2, dry chemical, and wet chemical.
Water extinguishers - contain water and are used for Class A fires
Foam extinguishers - contain foam and are used for Class A and B fires
CO2 extinguishers - contain carbon dioxide and are used for Class B and C fires
Dry chemical extinguishers - contain dry chemical powder and are used for Class A, B, and C fires
Wet chemical extinguisher...
I applied via Recruitment Consulltant and was interviewed in Apr 2023. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
I have extensive experience in handling various job responsibilities, including project management, client communication, and team coordination.
Managed multiple projects simultaneously
Effectively communicated with clients to understand their needs and provide updates
Coordinated with team members to ensure tasks were completed on time and within budget
I applied via Naukri.com and was interviewed before May 2023. There were 3 interview rounds.
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