10+ Aragen Life Sciences Interview Questions and Answers

Permit to work system is a formal written system used to control certain types of work that are identified as potentially hazardous.

• Ensures that all necessary precautions are taken before starting work

• Helps in identifying hazards and risks associated with the work

• Specifies the precautions to be taken and the safety measures to be implemented

• Ensures that only authorized personnel carry out the work

• Examples: hot work permit, confined space entry permit, electrical work permit

HSE documents are prepared by identifying relevant regulations, conducting risk assessments, implementing control measures, and documenting procedures.

• Identify relevant regulations and standards applicable to the industry

• Conduct risk assessments to identify potential hazards and risks

• Implement control measures to mitigate identified risks

• Document procedures for HSE management, emergency response, incident reporting, etc.

• Regularly review and update documents to ensure complian...read more

Job Safety Analysis aims to identify and control hazards associated with a job task to prevent accidents and injuries.

• Identifying potential hazards in a job task

• Determining the likelihood and severity of the hazards

• Developing controls and safety measures to mitigate the risks

• Training employees on safe work practices

• Improving overall workplace safety and reducing incidents

• Example: Conducting a Job Safety Analysis before starting a new construction project to identify risks lik...read more

PSL 2 has stricter requirements than PSL 1. Gas pipelines use PSL 2 pipes.

• PSL 2 has higher minimum yield strength and stricter chemical composition requirements than PSL 1

• PSL 2 also has non-destructive inspection requirements

• Gas pipelines use PSL 2 pipes due to their higher strength and durability

• PSL 1 pipes are typically used for low-pressure applications

Rectifier unit is responsible for converting alternating current (AC) to direct current (DC) in electrical systems.

• Converts AC to DC for various electrical systems

• Helps in maintaining a steady flow of current

• Used in power supplies, battery chargers, and electronic devices

NDT stands for Non-Destructive Testing. In radiographic testing (RT), defects such as porosity, inclusions, cracks, and lack of fusion can be detected.

• NDT is a method used to inspect materials for defects without causing damage.

• In radiographic testing (RT), defects such as porosity, inclusions, cracks, and lack of fusion can be detected.

• RT involves the use of X-rays or gamma rays to examine the internal structure of a material.

• Defects in RT can include internal voids, discont...read more

The TR unit is a measurement used in telecommunications to represent the transmission rate of data.

• TR stands for Transmission Rate.

• It is commonly used in the context of data transfer speeds in telecommunications.

• The TR unit can be expressed in bits per second (bps) or other units like kilobits per second (kbps) or megabits per second (Mbps).

Costing for laying pipelines involves calculating material costs, labor costs, equipment costs, and overhead expenses.

• Calculate the length of the pipeline needed

• Determine the type and size of pipes required

• Estimate the cost of materials including pipes, fittings, and valves

• Factor in labor costs for installation

• Consider equipment costs such as machinery and tools

• Include overhead expenses like permits, insurance, and project management

• Account for any additional costs like trans...read more

Optical Time Domain Reflectometer

• OTDR is a device used in fiber optics to measure the time and intensity of light reflected along an optical fiber.

• It is commonly used in telecommunications and networking to troubleshoot and maintain fiber optic cables.

• OTDRs work by sending a pulse of light down the fiber and measuring the reflections that come back.

• The data collected by an OTDR is used to locate faults, splices, and connectors in the fiber optic network.

UT stands for Ultrasonic Testing, a non-destructive testing method used in engineering.

• UT uses high frequency sound waves to detect flaws or defects in materials.

• It is commonly used in industries like aerospace, automotive, and manufacturing.

• UT can be used to inspect welds, pipelines, and structural components.

• The results of UT are displayed in a visual representation called a C-scan or B-scan.