SABIC
Alstom Transportation Interview Questions and Answers
Q1. What is problem come pump dismental time
Common problems during pump disassembly
Seized bolts or nuts making it difficult to disassemble
Corrosion or rust causing parts to stick together
Worn out gaskets or seals leading to leaks
Misalignment of components making reassembly challenging
Q2. Which is meachincal seal removed
A mechanical seal is typically removed by disassembling the equipment and carefully extracting the seal components.
Disassemble the equipment to access the mechanical seal
Carefully remove the seal components without causing damage
Inspect the seal faces for wear or damage
Replace the mechanical seal if necessary
Reassemble the equipment properly
Q3. How is handle gearbox overhauling
Gearbox overhauling involves disassembly, inspection, replacement of worn parts, reassembly, and testing.
Start by thoroughly cleaning the gearbox and surrounding area
Carefully disassemble the gearbox, taking note of the position of each component
Inspect all parts for wear, damage, or signs of failure
Replace any worn or damaged parts with new ones
Reassemble the gearbox following the manufacturer's specifications
Perform testing to ensure proper functioning before putting the ge...read more
Q4. Why are coming bearing problem
Bearing problems can occur due to various reasons such as lack of lubrication, misalignment, contamination, or wear and tear.
Lack of lubrication can lead to increased friction and heat generation, causing premature bearing failure.
Misalignment of shafts can put additional stress on the bearings, leading to wear and eventual failure.
Contamination from dirt, dust, or moisture can accelerate wear and corrosion of the bearings.
Normal wear and tear over time can also contribute to...read more
Q5. How is inspection spare parts
Inspection spare parts are crucial for ensuring equipment reliability and minimizing downtime.
Inspection spare parts should be readily available in case replacements are needed during routine maintenance checks.
Regularly inspecting spare parts for wear and tear can help prevent unexpected failures.
Properly labeling and organizing spare parts can streamline the inspection process and ensure efficiency.
Maintaining an inventory of spare parts and tracking usage can help in plann...read more
Q6. How is take impler clearance
Impeller clearance is the distance between the impeller and the pump casing.
Impeller clearance is crucial for the efficient operation of rotating equipment.
It is typically measured using feeler gauges or dial indicators.
Proper impeller clearance ensures optimal performance and prevents damage to the equipment.
Clearance adjustments may be necessary during maintenance or troubleshooting.
Incorrect impeller clearance can lead to reduced efficiency, increased vibration, and potent...read more
Q7. How is fix mechanical seal
Fixing a mechanical seal involves identifying the issue, disassembling the equipment, replacing the seal components, and reassembling the equipment.
Identify the issue with the mechanical seal, such as leakage or wear
Disassemble the equipment to access the seal components
Replace the damaged or worn seal components with new ones
Ensure proper alignment and installation of the new seal components
Reassemble the equipment and test for proper functioning
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