Texfab Engineers Electrical Design Engineer Interview Questions and Answers

Questions about basic knowledge of electrical fundamentals were asked in the paper.
Basic control & power diagram of star delta starter was asked to draw on paper

Q1. You have any experience in using Flow meter?
Ans. 
Yes, I have experience using flow meters in various projects.
• I have used flow meters to measure the flow rate of liquids or gases in different systems.

• I am familiar with different types of flow meters such as electromagnetic, ultrasonic, and turbine.

• I have calibrated and maintained flow meters to ensure accurate measurements.

• I have integrated flow meters into control systems for process automation.

• I have troubleshooted...read more
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Q2. Tell me about Di/Dos & Ai/Aos which you have used in the PLC- programming & commissioning
Ans. 
Di/Dos & Ai/Aos are input/output signals used in PLC programming for digital and analog signals.
• Di/Dos refer to digital inputs/outputs, used for binary signals like on/off switches

• Ai/Aos refer to analog inputs/outputs, used for continuous signals like temperature or pressure sensors

• Di/Dos are typically represented by discrete bits in PLC programming

• Ai/Aos are represented by analog values in PLC programming

• Examples: Di ...read more
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Q3. Name of PLC-SCADA system & VFD model number that you have used
Ans. 
I have experience with Siemens S7-1200 PLC, Wonderware InTouch SCADA, and ABB ACS550 VFD.
• Siemens S7-1200 PLC

• Wonderware InTouch SCADA

• ABB ACS550 VFD
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