Smartworks Automobile Engineer Interview Questions and Answers

Q1. Mostly questions was switchyard and substations maintenance,
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Q1. Working experience
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Q2. Present location of work
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I am currently working at a construction site in downtown city.
• Construction site in downtown city

• Working on a high-rise building project

• Coordinating with architects, contractors, and workers

• Ensuring adherence to safety regulations and project timelines
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Q1. Questions are related to the operation of the substation equipment like VCB transformer panels etc
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Q1. 220 kv switchyard, switchgear equipments
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Q1. Total Work experience Previous company Role and responsibility Current CTC
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Q1. Technical skill DG sefty Transformer Sefty working principles All types breakers sefty SLD from HT line to LT line
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Q1. Chiller efficiency
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Chiller efficiency is a measure of how well a chiller unit is able to cool a space while using the least amount of energy.
• Chiller efficiency is typically measured by the Coefficient of Performance (COP), which is the ratio of cooling output to energy input.

• Regular maintenance and cleaning of chiller components can improve efficiency.

• Upgrading to a more energy-efficient chiller model can also increase efficiency.

• Proper ...read more
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Q2. Which one more efficiently? Air cooled,or water cooled???
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Water cooled systems are generally more efficient than air cooled systems due to higher heat transfer capabilities.
• Water has higher heat transfer capabilities compared to air

• Water cooled systems can maintain more consistent temperatures

• Water cooled systems are typically used in high performance applications such as data centers and industrial machinery
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Q3. How we improved duct velocity?
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Duct velocity can be improved by increasing the fan speed or reducing the duct size.
• Increase the fan speed to increase the air velocity in the duct.

• Reduce the duct size to increase the air velocity.

• Use dampers or adjustable louvers to control and optimize the airflow.

• Ensure proper sealing of duct joints to minimize air leakage.

• Consider using smooth and straight ducts to reduce friction and improve airflow.

• Regularly cle...read more
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Q4. What types of gas use chiller system?
Ans. 
The chiller system uses various types of gases for cooling purposes.
• Common types of gases used in chiller systems include R-134a, R-410A, and ammonia.

• R-134a is a hydrofluorocarbon (HFC) refrigerant commonly used in air conditioning systems.

• R-410A is a blend of hydrofluorocarbons used as a replacement for older refrigerants.

• Ammonia (NH3) is often used in industrial chiller systems due to its high cooling capacity.

• Other ...read more
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Q5. How we decided the vrf system capacity as per area??
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The VRF system capacity is determined based on the area's cooling and heating load requirements.
• Calculate the total cooling load and heating load for the area

• Consider factors such as insulation, windows, occupancy, and equipment

• Select VRF system capacity based on the calculated load requirements

• Consult with HVAC professionals for accurate sizing
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Design a coworking space - moodboard

Q1. Previous experience
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