Idom Hydraulic Engineer Interview Questions and Answers

Line sizing of fluids is crucial for efficient process operation and safety.

• Line sizing is determined based on the flow rate, pressure drop, and fluid properties.

• Proper line sizing ensures optimal flow velocity to prevent erosion and corrosion.

• Consider factors like viscosity, density, and temperature when sizing lines.

• Use industry standards and guidelines for accurate line sizing calculations.

• Examples: API 14E for oil ...read more

Pumps are devices used to move fluids. Types include centrifugal, positive displacement, and submersible. Cavitation is the formation of vapor bubbles in a liquid due to low pressure.

• Pumps are used to move fluids in various industrial processes.

• Types of pumps include centrifugal, positive displacement, and submersible.

• Cavitation occurs when the pressure in a liquid drops below its vapor pressure, leading to the formati...read more

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

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

The paint RAL code and thickness applied on the fixture is recorded for quality control purposes.

• The RAL code is a standardized color code system used in Europe.

• The paint thickness is measured using a paint thickness gauge.

• The recorded data is used to ensure consistency in the painting process and to meet customer specifications.

• Example: RAL 9005 (Jet Black) with a paint thickness of 50 microns.

The clamps used on the fixture are made by various manufacturers.

• The make of clamps used on the fixture may vary depending on the specific fixture and its requirements.

• Some common manufacturers of clamps include Bessey, Irwin, and Jorgensen.

• The type of clamp used may also vary, such as C-clamps, bar clamps, or spring clamps.

VSM graph is a tool used in Lean manufacturing to map out the current state of a process and identify areas for improvement.

• VSM stands for Value Stream Mapping

• It is used to visualize the flow of materials and information through a process

• Helps identify waste and inefficiencies in the process

• Can be used to plan and implement process improvements

• Example: A VSM graph can be used to identify bottlenecks in a manufacturing ...read more

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