NACL Industries DCS Engineer Interview Questions, Process, and Tips

Q1. Brief about projects done in the past
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Q2. Cost structure of the material
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The cost structure of the material refers to the breakdown of expenses related to acquiring, producing, and distributing the material.
• Breakdown of costs such as raw material costs, labor costs, overhead costs, and distribution costs

• Understanding the cost drivers and cost allocation methods used

• Analyzing cost variances and identifying opportunities for cost reduction

• Examples: Cost structure of steel includes iron ore, l...read more
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2 h online assesment + recording answers via webcam

Q1. Family background
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Q2. Tell me about your self
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Experienced manager with a proven track record in team leadership and project management.
• Over 10 years of experience in managing teams and projects

• Strong leadership skills with a focus on collaboration and communication

• Track record of successfully meeting project deadlines and exceeding goals

• Experience in developing and implementing strategic plans for team growth

• Example: Led a team of 20 employees to successfully laun
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Q1. Questions related to - Salary Process safely,Role of Process engineering in product change over, Static charge, Dust explosions
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Q2. Pump hydraulic, Existing job profile, Achievements in existing job
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Q1. Salary Negotiations and personal details
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Q1. What is PID in process
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PID stands for Proportional-Integral-Derivative, a control loop feedback mechanism used in industrial processes to maintain desired setpoints.
• PID is a control algorithm that calculates an error value as the difference between a desired setpoint and a measured process variable.

• The PID controller then adjusts the process control inputs to minimize the error and keep the process variable close to the setpoint.

• The Proporti...read more
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Q2. What is thermowell in tank
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A thermowell in a tank is a protective device used to shield temperature sensors from the harsh environment inside the tank.
• Thermowells are typically made of metal and are inserted into the tank to provide a sealed chamber for the temperature sensor.

• They help protect the sensor from corrosion, pressure, and other damaging factors inside the tank.

• Thermowells also allow for easy removal and replacement of the temperature...read more
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Q1. Design Steps of a shell and tube heat exchanger?
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Design steps for a shell and tube heat exchanger
• Determine the heat duty and fluid flow rates

• Select the appropriate materials for the tubes and shell

• Determine the number of tube passes and tube layout

• Design the baffles and tube supports

• Calculate the heat transfer area and pressure drop

• Specify the inlet and outlet connections

• Prepare detailed fabrication drawings
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Q2. Pressure Drop in column?
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Pressure drop in a column refers to the decrease in pressure as fluid flows through the column.
• Pressure drop is caused by frictional resistance to flow and changes in direction of the fluid.

• It can be calculated using Bernoulli's equation or by measuring pressure at different points in the column.

• Pressure drop can affect the efficiency of the column and may require adjustments to the operating conditions.

• Factors that ca...read more
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Q3. What is HAZOP, MSDS?
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HAZOP is a hazard and operability study, while MSDS is a material safety data sheet.
• HAZOP is a systematic and structured approach to identify potential hazards and operability problems in a process plant.

• MSDS is a document that provides information on the properties of hazardous chemicals and how to handle them safely.

• HAZOP involves a team of experts analyzing the process design and identifying potential deviations tha...read more
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Q1. It is on previous experience base.
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Q1. Tell me about yourself.
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