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I applied via Walk-in and was interviewed in Jan 2023. There were 2 interview rounds.
Starters are used to control the starting and stopping of motors. Different types of starters are used based on the motor's power rating and application.
Direct On-Line (DOL) Starter
Star-Delta Starter
Auto Transformer Starter
Soft Starter
Variable Frequency Drive (VFD) Starter
Parallel operation of transformers refers to connecting two or more transformers with the same voltage ratio and frequency to supply a common load.
Parallel operation increases the capacity of the system and provides redundancy.
The transformers must have the same voltage ratio, impedance, and phase angle.
Proper synchronization is necessary to avoid circulating currents.
Parallel operation can be achieved by using a commo...
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I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
posted on 18 May 2020
I applied via Naukri.com and was interviewed in Nov 2019. There were 3 interview rounds.
I have extensive experience in coke oven plants and the steel industry, focusing on process optimization and equipment maintenance.
Worked on a project to optimize the coking process, reducing energy consumption by 15%.
Conducted regular maintenance on coke oven batteries, ensuring compliance with safety and environmental regulations.
Collaborated with cross-functional teams to improve the quality of metallurgical coke, e...
I successfully led a project that improved system efficiency and learned valuable lessons from a miscommunication incident.
1. Successfully led a project to optimize the software deployment process, reducing deployment time by 30%.
2. Implemented a new testing framework that increased code coverage from 60% to 85%, enhancing product reliability.
1. Miscommunication with a team member led to a critical bug in production; l...
Control valve calibration involves adjusting the valve to ensure it operates within specified parameters.
Determine the valve's operating range and desired set points
Use a calibration bench or in-line calibration equipment to adjust the valve's position and response time
Verify the valve's performance using a flow meter or pressure gauge
Document the calibration process and results for future reference
I applied via Referral and was interviewed in Dec 2020. There were 3 interview rounds.
Hydraulic piston pumps offer higher efficiency, variable flow rates, and better control compared to fixed displacement vane pumps.
Hydraulic piston pumps have higher efficiency due to their ability to vary flow rates based on demand, reducing energy consumption.
Piston pumps provide better control over fluid flow and pressure, making them suitable for applications requiring precise operation.
Piston pumps are more durable...
Iron carbon diagram shows the relationship between carbon content and properties of steel.
The diagram helps in understanding the microstructure of steel.
It shows the different phases of steel at different carbon concentrations.
Low carbon steel has less than 0.3% carbon, while high carbon steel has more than 0.6% carbon.
Medium carbon steel has a carbon content between 0.3% and 0.6%.
The diagram also helps in determining ...
I applied via Approached by Company and was interviewed before Apr 2023. There were 2 interview rounds.
No, TIA Portal is not compatible with S7-300 CPU.
TIA Portal is designed for newer Siemens PLCs like S7-1200 and S7-1500, not S7-300.
For S7-300 CPUs, Step 7 software should be used for programming.
TIA Portal offers advanced features like integrated safety, motion control, and HMI design.
S7-300 CPUs are older models with limited capabilities compared to newer PLCs.
Encoder provides digital output while resolver provides analog output.
Encoder converts mechanical motion into digital signals, resolver converts mechanical motion into analog signals.
Encoder is more accurate and provides higher resolution compared to resolver.
Resolver is more robust and reliable in harsh environments due to lack of sensitive electronics.
Examples: Encoder - optical encoder, magnetic encoder. Resolver - ...
I appeared for an interview before May 2024, where I was asked the following questions.
I applied via Recruitment Consulltant and was interviewed before Aug 2022. There were 3 interview rounds.
Cold rolling mill uses pressure to reduce the thickness of metal sheets by passing them through rollers.
Metal sheets are passed through rollers under high pressure to reduce thickness
Rollers can be adjusted to achieve desired thickness and surface finish
Cold rolling process increases strength and hardness of metal sheets
Common metals processed in cold rolling mills include steel, aluminum, and copper
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