Sterling & Wilson Senior Engineer Interview Questions and Answers

Q1. 1. Diff. Type Flow Meter Concept 2. Temperature Compensation in thermocouple 3. SPI modules 4. Level Mesurment
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Q1. Personal Questions about salary negotiation
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Q1. Earth moving Equipment, crusher plant,hotmix plant concrete plant, operation and maintenance
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Q2. Plant and equipment related
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Q1. How many year experience ?
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Q2. How to use bentonite use before pulsing
Ans. 
Bentonite is used as a drilling fluid to stabilize boreholes before pulsing.
• Bentonite is mixed with water to form a slurry and pumped into the borehole.

• The slurry fills the borehole and stabilizes the walls, preventing collapse.

• After the bentonite has set, pulsing can be done without the risk of borehole collapse.

• Pulsing is a technique used in geophysical exploration to measure the properties of the subsurface.
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Q3. 1.03 mgl to 1.10 mgl
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Q1. Related to cad and design
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Q1. About the previous projects & work procedures.
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Q1. Salary Discussion
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Q1. What is the HDPE and Di pipe is code ??
Ans. 
HDPE and Di pipe IS codes are standards set by the Bureau of Indian Standards for high-density polyethylene and ductile iron pipes.
• IS 4984: High-density polyethylene (HDPE) pipes for potable water supplies

• IS 8329: Ductile iron (DI) pipes and fittings for pressure pipelines
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Q2. Types of Aerator.
Ans. 
Aerators are devices used to add air into water or other liquids to increase oxygen levels.
• Surface aerators

• Submersible aerators

• Diffused aerators

• Mechanical aerators

• Aspirating aerators
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Q3. 3 Types of Aerator - 1) cascade 2) Tray tower 3) spray nozal
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Q1. What is the water treatment process
Ans. 
Water treatment process involves several steps to remove impurities and make water safe for consumption.
• Coagulation and flocculation to remove particles

• Sedimentation to settle out solids

• Filtration to remove remaining particles

• Disinfection to kill bacteria and viruses

• pH adjustment to control acidity or alkalinity
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About your job, location, CTC

Q1. Gdjjdnksnd shgxkdjx vhkdkxnx
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Q2. Years of experience & expectex salary facility provided by company
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