Sun Petrochemicals
Venture Offshore Info Matrix Interview Questions and Answers
Q1. You have a # 1500 class, shut down valve from sub sea PLEM to CRP. How will comission the valve Instrumentation.
Commissioning of a sub sea PLEM to CRP #1500 class shut down valve instrumentation.
Ensure proper installation of the valve and its associated instrumentation.
Perform loop checks and functional tests to verify proper operation.
Calibrate and configure the valve instrumentation according to the control system requirements.
Verify the valve's response to control signals and emergency shutdown signals.
Perform a final inspection and documentation of the commissioning process.
Q2. What is the salt content on the blasted surface on onshore area?
The salt content on the blasted surface in onshore areas is determined through testing and analysis.
Salt content on the blasted surface can be measured using various methods such as conductivity meters, chloride ion tests, or salt spray tests.
The salt content is usually expressed in terms of parts per million (ppm) or milligrams per square meter (mg/m²).
High salt content on the blasted surface can lead to corrosion and affect the quality and durability of coatings or structur...read more
Q3. How do you check the the verticality of a column? What is the acceptance criteria?
To check the verticality of a column, use a plumb bob or laser level. Acceptance criteria: deviation within a specified tolerance.
Use a plumb bob or laser level to check if the column is perfectly vertical.
Ensure the plumb bob or laser level is aligned with the centerline of the column.
Measure the deviation from the vertical position and compare it to the specified tolerance.
Acceptance criteria may vary depending on the project or industry standards.
Q4. How will you ensure smooth start up for plant.
I will ensure smooth start up for plant by conducting thorough testing, creating detailed procedures, and training the operators.
Conduct thorough testing of all equipment and systems before start up
Create detailed start up procedures and checklists
Train operators on the procedures and ensure they understand their roles and responsibilities
Perform simulations and drills to identify and address any potential issues
Collaborate with other departments and stakeholders to ensure a ...read more
Q5. What electrode will be used A 36 steel?
The electrode used for A36 steel is typically E7018.
E7018 electrode is commonly used for welding A36 steel due to its high tensile strength and excellent weldability.
It provides good penetration and produces strong, clean welds.
Other suitable electrodes for A36 steel include E6010, E6011, and E6013.
The choice of electrode depends on the specific welding requirements and conditions.
Q6. Define the MSDS of xylene and acetone and also define the pour point .
MSDS of xylene and acetone and pour point definition.
MSDS of xylene and acetone provide information on their physical and chemical properties, health hazards, and safety precautions.
Pour point is the lowest temperature at which a liquid will flow.
Xylene is a colorless, flammable liquid used as a solvent and in the production of plastics, synthetic fibers, and dyes.
Acetone is a colorless, volatile liquid used as a solvent and in the production of chemicals, plastics, and pharm...read more
Q7. How to operate gc ?
GC is operated by setting the parameters, injecting the sample, running the analysis, and interpreting the results.
Set the parameters such as temperature, flow rate, and detector settings on the GC machine.
Inject the sample into the GC column using a syringe or an autosampler.
Run the analysis by starting the GC machine and allowing the sample to separate into its components.
Interpret the results by analyzing the peaks on the chromatogram and identifying the compounds present.
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