10+ Project Design Engineer Interview Questions and Answers

The question is about hydraulics of dam, power intake, tunnel, surge shaft, power house, energy dissipator, design of underground tunnel using Phase-2 software, finite element analysis, and response spectrum method.

• Hydraulics of dam, power intake, tunnel, surge shaft, and power house are important in designing a hydroelectric power plant.

• Different kinds of energy dissipators are used to reduce the energy of water flowing through the hydraulic structures.

• Phase-2 software is us...read more

Engineering is the application of scientific and mathematical principles to design and create structures, machines, systems, and processes.

• Engineering involves using scientific and mathematical principles to solve practical problems.

• It encompasses various disciplines such as civil, mechanical, electrical, and chemical engineering.

• Engineers design, analyze, and improve structures, machines, systems, and processes to meet specific requirements.

• They often work in teams to develo...read more

Latent heat is the heat absorbed or released during a phase change without a change in temperature.

• Latent heat is the energy required to change the state of a substance without changing its temperature.

• For example, when ice melts into water, it absorbs latent heat.

• Similarly, when water vapor condenses into liquid water, it releases latent heat.

• Latent heat is important in refrigeration and air conditioning systems.

Entropy is a measure of disorder in a system, enthalpy is the total heat content of a system, and adiabatic process is a process where no heat is exchanged with the surroundings.

• Entropy is a measure of the amount of energy in a system that is not available to do work.

• Enthalpy is the sum of the internal energy of a system plus the product of its pressure and volume.

• An adiabatic process is one in which no heat is exchanged with the surroundings, so the change in internal energy...read more

Air conditioning is the process of altering the properties of air to make it more comfortable. LP and HP alarms are safety features in AC machines.

• Air conditioning is the process of removing heat and moisture from the air to make it cooler and more comfortable.

• LP (low pressure) and HP (high pressure) alarms are safety features that alert the user when the pressure in the AC system is too low or too high.

• Installation process involves selecting the right size of AC unit, positi...read more

Gas level in a machine can be checked using various methods.

• Check the machine's manual for instructions on how to check gas levels.

• Use a gas detector to measure the gas level.

• Check the pressure gauge on the machine.

• Observe the machine's performance and look for signs of low gas levels.

• Consult with a professional if unsure about how to check gas levels.

Materials have different properties that affect their performance and suitability for specific applications.

• Metals are strong and durable, but can be heavy and prone to corrosion.

• Polymers are lightweight and flexible, but may not be as strong as metals.

• Ceramics are hard and brittle, but can withstand high temperatures and harsh environments.

• Composites are made up of multiple materials and can have a combination of properties.

• Properties include strength, stiffness, density, th...read more

A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure.

• Pressure vessels are used in various industries such as oil and gas, chemical, and pharmaceutical.

• They are designed to withstand high pressure and temperature.

• Examples of pressure vessels include boilers, tanks, and pipelines.

• They are subject to strict regulations and safety standards to prevent accidents.

• Pressure vessels can be made of various ma...read more

To prepare a CAD model mostly in sheet metal, start by creating a 3D model using software like SolidWorks or AutoCAD.

• Start by creating a 3D model of the sheet metal part using CAD software.

• Ensure accurate measurements and dimensions are used in the model.

• Consider factors like material thickness, bend radius, and tolerances.

• Use features like flanges, bends, and cuts to accurately represent the sheet metal part.

• Check for interferences and collisions in the model before finalizi...read more

There are various types of sheets used in engineering and construction.

• Metal sheets: made of steel, aluminum, copper, etc.

• Plastic sheets: made of PVC, polycarbonate, acrylic, etc.

• Wooden sheets: made of plywood, particleboard, MDF, etc.

• Composite sheets: made of fiberglass, carbon fiber, etc.

• Rubber sheets: used for insulation and gasketing

• Paper sheets: used for printing and packaging

• Fabric sheets: used for upholstery and clothing

• Glass sheets: used for windows and mirrors