Aker Solutions Process Control Engineer Interview Questions and Answers

It was quite easy, basic quant and analytical aptitude. Questions were also asked from your core sector, which are manageable.

Group of 5 members were formed and current topics were discussed

Q1. Explain Heat duty of heat echanger
Ans. 
Heat duty of a heat exchanger refers to the amount of heat transferred between the hot and cold fluids.
• Heat duty is the heat transfer rate or the amount of heat energy transferred per unit time.

• It is calculated by multiplying the mass flow rate of the fluid by the specific heat capacity and the temperature difference between the hot and cold fluids.

• The heat duty determines the size and design of the heat exchanger.

• For ...read more
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Q2. What is bernoullis principle
Ans. 
Bernoulli's principle states that as the speed of a fluid increases, its pressure decreases.
• Bernoulli's principle relates to the conservation of energy in fluid flow.

• It states that as the speed of a fluid increases, its pressure decreases.

• This principle is applicable to various fluid dynamics phenomena, such as airflow over an airplane wing or water flow through a pipe.

• It explains how an airplane wing generates lift by...read more
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Q3. Explain grashoff number
Ans. 
The Grashoff number is a dimensionless number used in fluid dynamics to determine the dominance of buoyancy forces over viscous forces in a fluid flow.
• The Grashoff number is defined as the product of the ratio of buoyancy forces to viscous forces and the square of the ratio of characteristic length to kinematic viscosity.

• It is used to analyze natural convection flows and is particularly important in heat transfer appli...read more
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Q4. Design part of pumps
Ans. 
Designing parts of pumps involves creating components that enable the pump to function effectively.
• Identify the specific requirements of the pump design

• Select appropriate materials for the pump parts

• Design components such as impellers, casings, and seals

• Consider factors like fluid properties, pressure, and temperature

• Ensure proper alignment and fit of the pump parts

• Use CAD software for creating detailed designs

• Perform ...read more
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Q5. Design ofdistillationcoloumns
Ans. 
Design of distillation columns
• Distillation columns are used to separate mixtures of liquids based on their boiling points

• The design of a distillation column involves determining the number of trays or packing, column diameter, and reflux ratio

• The design is influenced by factors such as the desired separation efficiency, feed composition, and operating pressure

• Different types of distillation columns include packed colum...read more
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Q1. Do you prefer working independently or as part of a team?
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Q2. Which values help you meet deadlines when working as part of a team?
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Q1. P&ID, NPSH, Pump Hydraulics, DPDT
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Q2. Control Valve hydraulics
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Simple aptitude question s related to general maths identity and local technical questions

Q1. Hr will ask about previous experience. What will improve in this company
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Q1. Line sizing criteria
Ans. 
Line sizing criteria is based on factors like flow rate, pressure drop, velocity, and material compatibility.
• Consider the flow rate of the fluid being transported

• Calculate the pressure drop allowed in the system

• Determine the velocity of the fluid to prevent erosion or corrosion

• Ensure the material of the line is compatible with the fluid being transported
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Q1. Salary expectation
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Q1. How to make p&ID and perform line Sizing
Ans. 
P&ID is made by identifying process equipment and connecting them with pipes. Line sizing is done based on process requirements.
• Identify process equipment and their connections

• Determine process requirements such as flow rate and pressure drop

• Select appropriate pipe size based on process requirements

• Consider factors such as fluid properties, pipe material, and layout

• Use software tools such as AutoCAD or SmartPlant P&ID
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Basic aptitude not very hard

Q1. Draw pump curve? Write Bernoulli equation Hagen pouseille eq.? Questions from CV. Basically full CV and basic questions from chemical engineering
Ans. 
The pump curve shows the relationship between flow rate and head. The Bernoulli equation relates pressure, velocity, and elevation in a fluid flow system.
• The pump curve is a graph showing the performance of a pump by plotting flow rate against head.

• The Bernoulli equation is a fundamental equation in fluid mechanics that relates the pressure, velocity, and elevation of a fluid at any point in a flow system.

• Questions fro...read more
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Q1. PSV types and their selection
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Different types of Pressure Safety Valves (PSVs) and factors to consider when selecting them
• Types of PSVs include conventional, balanced bellows, pilot-operated, and rupture disc

• Factors to consider when selecting a PSV include set pressure, relieving capacity, back pressure, and operating temperature

• Conventional PSVs are commonly used for low to medium pressure applications, while pilot-operated PSVs are suitable for h...read more
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Q2. P&IDS, PFDS, HMB, SIMULATION
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