INTEGRAL SERVICES COMPANY Interview Questions and Answers

Piping symbols are graphical representations of pipes, valves, fittings, and other components used in piping systems. Isometric drawings provide a 3D view of the piping system.

• Piping symbols include straight pipes, elbows, tees, reducers, valves, and pumps

• Isometric drawings show the piping system in 3D with dimensions and annotations

• Symbols and isometric drawings are used to communicate design and construction details

Scaffolding selection depends on the type of work, height, weight, and duration of use.

• Assess the type of work to be done

• Consider the height and weight requirements

• Evaluate the duration of use

• Choose the appropriate scaffolding type, such as frame, system, or suspended scaffolding

• Ensure compliance with safety regulations and standards

The pipe/equipment material is installed in the plant by following a systematic process.

• First, conduct a thorough analysis of the plant layout and design to determine the optimal location for pipe/equipment installation.

• Prepare the work area by ensuring it is clean, safe, and free from any obstructions.

• Inspect the pipe/equipment material for any defects or damage before installation.

• Use appropriate tools and equipment ...read more

Pre shutdown activities are the tasks that need to be completed before shutting down a plant or equipment.

• Preparing the equipment for shutdown

• Draining and cleaning the equipment

• Isolating the equipment from the rest of the system

• Performing necessary maintenance and repairs

• Removing any hazardous materials

• Ensuring all safety measures are in place

• Communicating with all relevant personnel

• Obtaining necessary permits and appr

Shutdown activities refer to the planned maintenance or repair work that is carried out on equipment or systems during a shutdown period.

• Shutdown activities involve shutting down equipment or systems for maintenance or repair work

• Activities may include inspections, repairs, replacements, and upgrades

• Shutdowns are typically scheduled in advance to minimize disruption to operations

• Examples of shutdown activities include ...read more

Post shutdown refers to the activities carried out after a plant shutdown to ensure safe and efficient resumption of operations.

• Post shutdown activities include inspection and testing of equipment, cleaning and maintenance of pipelines, and ensuring compliance with safety regulations.

• The duration of post shutdown activities depends on the complexity of the plant and the extent of maintenance required.

• Examples of post s...read more

HV cable jointing method involves connecting high voltage cables using specialized techniques and materials.

• HV cable jointing is typically done using heat shrinkable sleeves or cold shrinkable joints.

• The joints must be properly insulated to prevent electrical leakage and ensure safety.

• Specialized tools and equipment are used for cable preparation, insulation, and sealing.

• Proper training and certification are required f...read more