Extreme Engineering Piping Engineer Interview Questions, Process, and Tips

In aptitude test there were 2 sections
1. Technical test which contains basic of mechanical discipline since this was College placement and in mechanical engineering there is no subject like piping engineering so there were no questions from piping engineering.
2. Aptitude test was different from other companies. In aptitude test we were asked to attempt as many as questions in stipulated time period for example tick on correct spelling, in this round we got 2 mins in which we have to attempt as many as questions as we can.

Q1. Stress strain curve, velocity and acceleration
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Q2. Effect of alloying elements on steel
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Alloying elements can improve steel's strength, hardness, corrosion resistance, and other properties.
• Alloying elements can change the crystal structure of steel, affecting its properties.

• Chromium improves corrosion resistance and hardness, and is used in stainless steel.

• Manganese improves strength and toughness.

• Nickel improves toughness and corrosion resistance.

• Carbon increases hardness and strength, but reduces ductil...read more
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Q1. Project specific questions.
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Q2. Elements of Iron carbide diagram.
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Iron carbide diagram shows the relationship between temperature, carbon content, and phases of iron and iron carbide.
• Also known as the Fe-C diagram

• Displays the transformation of iron and iron carbide at different temperatures and carbon concentrations

• Consists of three regions: austenite, ferrite, and cementite

• Used to determine the microstructure of steel and cast iron

• Helps in predicting the properties of steel and cast
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Q3. What is Compressible and incompressible fluids and example..
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Compressible fluids can be compressed while incompressible fluids cannot be compressed.
• Compressible fluids have a variable density and volume, while incompressible fluids have a constant density and volume.

• Examples of compressible fluids include gases like air and steam, while examples of incompressible fluids include liquids like water and oil.

• Compressible fluids follow the gas laws, while incompressible fluids follow...read more
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Q1. Tell me something about youself
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Q2. What do you know about our company?
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Q1. Codes and standards
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Q2. Documents and supports
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Q3. All documents information
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Q1. Resume base question
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Q2. What is 1 st law of thermodynamic
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The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.
• Energy can be transferred between systems or converted from one form to another.

• The total energy in a closed system remains constant.

• Mathematically expressed as: ΔU = Q - W, where ΔU is the change in internal energy, Q is heat added to the system, and W is work done by the system.

• Example: When a gas is compr...read more
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Q1. Technical question related piping
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Q2. Pump piping , support placement
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Q1. What is header clearance?
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Header clearance refers to the space required for the installation and maintenance of piping headers.
• Header clearance is the distance between the top of the header and the ceiling or any obstruction above it.

• It is important to ensure sufficient clearance for proper installation, maintenance, and operation of the piping system.

• Examples of obstructions that may require clearance include beams, ductwork, and other piping
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Q2. 2200 _2500mm above ffl
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Q3. What information we provide to civil department ?
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We provide civil department with information on piping layout, support requirements, material specifications, and coordination details.
• Piping layout drawings

• Support requirements for the piping system

• Material specifications for the piping components

• Coordination details with civil structures and equipment

• Updates on any changes or modifications to the piping design
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Q1. 1. What is Piping detail engineering flow 2. What is 30%,60%,90% model review
Ans. 
Piping detail engineering flow involves designing, modeling, reviewing, and finalizing piping systems.
• Piping detail engineering flow includes designing the piping system, creating a 3D model, reviewing the model at various stages (30%, 60%, 90%), and finalizing the design.

• During the 30% model review, the focus is on the overall layout and feasibility of the design.

• During the 60% model review, the focus is on the detail...read more
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Q2. What is isometric and piping layout
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Isometric is a 3D representation of a piping system. Piping layout is the arrangement of pipes and equipment in a plant.
• Isometric drawing shows the piping system in 3D view with all the details like pipe size, fittings, valves, etc.

• Piping layout is the arrangement of pipes, equipment, and other components in a plant or facility.

• Piping layout is designed to ensure efficient and safe operation of the plant.

• Piping layout ...read more
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Related to piping and SOM

Q1. Properties of material
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Properties of material refer to characteristics such as strength, hardness, ductility, and conductivity.
• Strength: ability to withstand applied stress without failure (e.g. tensile strength)

• Hardness: resistance to deformation or scratching (e.g. Rockwell hardness)

• Ductility: ability to deform without breaking (e.g. elongation at break)

• Conductivity: ability to conduct heat or electricity (e.g. thermal conductivity)
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Q2. 3rd angle 1st angle
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Q1. IC engine working
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IC engine works by converting chemical energy into mechanical energy through combustion of fuel inside the engine cylinders.
• IC engine intake air and fuel mixture into the cylinder

• Compression of the air-fuel mixture increases its temperature and pressure

• Ignition of the compressed mixture by spark plug causes combustion

• Expansion of the gases pushes the piston down, creating mechanical energy

• Exhaust gases are expelled thr
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Q1. Basic of Piping ,equipment and instrumentation Questions is there.
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Q1. Basic Questions and sallary discussion.
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