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TDC stands for Top Dead Center and BDC stands for Bottom Dead Center. They are reference points in the rotation of an engine's crankshaft.
TDC is the point where the piston is at its highest position in the cylinder during the compression stroke.
BDC is the point where the piston is at its lowest position in the cylinder during the exhaust stroke.
Understanding TDC and BDC is crucial for timing engine components such as v...
The clearance of TDC and BDC for a vertical reciprocating compressor can be measured using a dial indicator.
Use a dial indicator to measure the distance between the top dead center (TDC) and bottom dead center (BDC) positions of the piston.
Rotate the crankshaft to bring the piston to TDC and set the dial indicator to zero.
Rotate the crankshaft to bring the piston to BDC and note the reading on the dial indicator.
The di...
The clearance for big end bearing can be measured using a micrometer or a feeler gauge.
Use a micrometer to measure the diameter of the crankshaft journal and the inner diameter of the big end bearing. The clearance is calculated by subtracting the crankshaft journal diameter from the bearing inner diameter.
Alternatively, a feeler gauge can be used to measure the clearance by inserting the gauge between the crankshaft j...
Focus on proper alignment, tightness, material compatibility, and proper torque during suction and discharge valve box up.
Ensure proper alignment of the valves to prevent leakage
Check for tightness of the connections to avoid any leaks
Use materials compatible with the fluid being handled to prevent corrosion or damage
Apply the correct torque to the bolts to ensure a secure connection
I applied via Company Website and was interviewed in May 2024. There were 2 interview rounds.
Statutory compliances refer to the legal requirements that organizations must adhere to in order to operate within the law.
Statutory compliances vary by country and industry, and typically cover areas such as labor laws, tax regulations, environmental regulations, and health and safety standards.
Examples of statutory compliances include filing tax returns on time, providing employees with minimum wage and benefits as p...
In hand salary is the amount an employee receives after deductions like taxes and other contributions, while net salary is the total amount paid by the employer before deductions.
In hand salary is the actual amount an employee takes home after deductions.
Net salary is the total amount paid by the employer before deductions.
In hand salary includes deductions like taxes, insurance, and other contributions.
Net salary does...
To make a Welding Procedure Specification (WPS) with reference to codes, one must follow the guidelines provided by the relevant welding codes and standards.
Understand the requirements of the specific welding code being used (e.g. AWS D1.1, ASME Section IX)
Identify the essential variables for the welding process (e.g. material type, thickness, welding position)
Select the appropriate welding process, filler metal, prehe...
WPS is a document that provides guidelines for welding processes, while PQR is a record of the actual test results from welding procedure qualification tests.
WPS stands for Welding Procedure Specification, it provides detailed instructions on how to perform a specific welding process.
PQR stands for Procedure Qualification Record, it documents the actual test results from welding procedure qualification tests.
WPS is use...
I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.
Aarvi Encon interview questions for popular designations
I applied via Approached by Company and was interviewed in Aug 2023. There was 1 interview round.
RBI stands for Risk-Based Inspection, a method used to optimize inspection schedules based on risk levels.
RBI is a methodology used to determine the most effective inspection plan based on the risk associated with each piece of equipment or component.
It involves assessing the likelihood of failure and the consequences of failure to prioritize inspection efforts.
RBI helps in optimizing inspection intervals, reducing dow...
Hot tap is a method used to create a connection to a pressurized system without shutting it down.
Hot tap involves drilling into a pressurized system to create a branch connection.
It is commonly used in pipelines to install new equipment or perform maintenance without interrupting the flow.
Specialized equipment and procedures are used to ensure safety and integrity of the system during hot tapping.
Examples include addin...
Inspection procedure for pressure vessel involves visual inspection, non-destructive testing, and documentation review.
Visual inspection of the exterior and interior surfaces of the pressure vessel
Non-destructive testing methods such as ultrasonic testing, radiography, and magnetic particle testing
Review of documentation including design specifications, fabrication records, and previous inspection reports
Various types of NDT methods are used including ultrasonic testing, radiographic testing, magnetic particle testing, liquid penetrant testing, and visual testing.
Ultrasonic testing is used to detect internal flaws in materials by sending high-frequency sound waves through the material.
Radiographic testing uses X-rays or gamma rays to inspect the internal structure of a component.
Magnetic particle testing is used to det...
Get interview-ready with Top Aarvi Encon Interview Questions
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed before Apr 2023. There was 1 interview round.
Tank lorries are fitted with specialized equipment for safe transportation of liquids or gases.
Tank lorries are fitted with pumps, hoses, and valves to load and unload liquids or gases.
Specialized fittings such as pressure relief valves and gauges are used to ensure safe transportation.
Tank lorries may also be equipped with insulation or heating systems for temperature-sensitive cargo.
Proper maintenance and inspection ...
Fittings of tanks refer to the components used for connecting pipes, valves, and other equipment to the tank.
Fittings include flanges, couplings, elbows, tees, and valves.
They are used to control the flow of liquids in and out of the tank.
Proper selection of fittings is crucial for ensuring the safe and efficient operation of the tank.
Examples of fittings include tank manways, nozzles, and vents.
Ethanol lorries can be QC'd by checking documentation, conducting physical inspections, and performing random sampling.
Check documentation for accuracy and completeness
Conduct physical inspections of the lorries for any damages or leaks
Perform random sampling of the ethanol to ensure quality and purity
Ensure compliance with safety regulations and standards
Train staff on proper QC procedures and protocols
The SAP t-code for allocation of lorries is VT01N.
Use transaction code VT01N in SAP to allocate lorries.
Enter the necessary details such as shipment number, delivery date, and lorry details.
Allocate the lorry to the shipment and save the allocation.
You can also use transaction VL02N to allocate lorries in SAP.
Ensure to check the availability of the lorry before allocation.
In emergency handling, it is crucial to remain calm, assess the situation, prioritize tasks, communicate effectively, and follow established protocols.
Remain calm and composed to make rational decisions
Assess the situation to determine the severity and required actions
Prioritize tasks based on urgency and impact
Communicate effectively with team members, stakeholders, and authorities
Follow established emergency protocol...
I applied via Referral and was interviewed in Nov 2023. There were 2 interview rounds.
I applied via Company Website and was interviewed in Aug 2023. There were 3 interview rounds.
Normally talking in instrumentation equipment’s and working in field instrument.
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