Interpump Hydraulics Npd Design Engineer Interview Questions and Answers

Q1. First angle and third angle symbol
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First angle and third angle symbols are used in engineering drawings to indicate the orientation of the views.
• First angle projection is commonly used in Europe and Asia, where the top view is placed below the front view.

• Third angle projection is commonly used in North America, where the top view is placed above the front view.

• The symbol for first angle projection is a triangle with the number 1 inside, while the symbol...read more
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Q2. Welding symbols
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Q3. Types of gears and bearings
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Types of gears include spur, helical, bevel, worm, rack and pinion. Types of bearings include ball, roller, plain, and fluid bearings.
• Types of gears: spur, helical, bevel, worm, rack and pinion

• Types of bearings: ball, roller, plain, fluid
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Q4. Four Heat treatment process name
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Four common heat treatment processes are annealing, quenching, tempering, and normalizing.
• Annealing involves heating the material to a specific temperature and then slowly cooling it to relieve internal stresses and increase ductility.

• Quenching is a rapid cooling process used to harden materials by forming a martensitic structure.

• Tempering is a heat treatment process that involves reheating the quenched material to a s...read more
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Q5. Welding,brazing and soldering difference between them.
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Welding joins two metal pieces by melting them together, brazing joins them with a filler metal at lower temperatures, and soldering joins them with an even lower melting point filler metal.
• Welding involves melting the base metals and adding a filler material to create a strong joint, typically at high temperatures.

• Brazing uses a filler metal with a melting point above 450°C but below the melting point of the base meta...read more
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Q6. CSK bolt drawing
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Q7. Tpi and bsp dull form
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Q1. Thumb rules for sheet metal design
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Thumb rules for sheet metal design include minimum bend radius, hole spacing, and material thickness considerations.
• Minimum bend radius should be at least equal to the material thickness to avoid cracking

• Hole spacing should be at least 2 times the material thickness to prevent distortion

• Material thickness should be chosen based on the application and required strength

• Avoid sharp corners to reduce stress concentrations

• U...read more
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Overall or general review

Q1. Basics regarding pumps and hydraulics.
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Q2. Prepare for basis hydraulic laws like Pascals Law, Beranulies Law ect.
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Q3. Basics of Hydraulics
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Q4. Prepare for Bearnualies Law
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Q5. Prepare for Pascals law
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Q1. Understanding of drawing, Different standards, norms .
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Q1. Drawing reading
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Q2. Sensor details , connection types
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Q1. Salary discussion
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Q2. Joining period, negotiation
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VERY HARD AND GRAPHIC INRELATED QUESTION

Q1. About your last company
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Technical questions and job description

Q1. Test on different software
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Q1. Salary discussion about ctc
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Q1. Stress Strain curve
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Q2. IS codes related to steel structures
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