Schlumberger Design Engineer Interview Questions and Answers

Q1. 1st & 3rd angle symbol?
Ans. 
The first and third angle symbols are used in technical drawing to indicate the projection method.
• The first angle symbol is a right angle with a small dot in the corner, indicating that the object is projected onto the plane behind the viewer.

• The third angle symbol is a right angle with a small dot in the corner, indicating that the object is projected onto the plane in front of the viewer.

• The choice between first and ...read more
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Q2. Types of Steel material?
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There are various types of steel materials used in engineering, each with its own unique properties and applications.
• Carbon Steel: Contains carbon as the main alloying element. Examples include mild steel and high carbon steel.

• Stainless Steel: Contains chromium and nickel, providing excellent corrosion resistance. Examples include 304 and 316 stainless steel.

• Tool Steel: Designed for making tools, with high hardness and...read more
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Q3. Stress strain curve?
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Q4. Brittle & Ductile material?
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Q1. Tool Test on auto cad software.
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Q1. What is spec brakes
Ans. 
Spec brakes refer to the specifications or requirements for brakes used in a particular system or application.
• Spec brakes outline the specific design, materials, and performance criteria for brakes in a system.

• They ensure that the brakes meet the necessary standards for safety and functionality.

• Examples of spec brakes include requirements for brake pad material, brake disc size, and braking force.

• Spec brakes may also i...read more
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Q2. Primary and secondary support
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Q1. Why transformer is rated in kva ?
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Transformers are rated in kVA because it indicates the maximum amount of power that can be safely handled by the transformer.
• kVA rating is used to determine the maximum load that a transformer can handle without overheating.

• It takes into account both the voltage and current ratings of the transformer.

• kVA rating helps in selecting the right size of transformer for a specific application.

• For example, a 100 kVA transforme...read more
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Q2. Full form of MCCB?
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MCCB stands for Molded Case Circuit Breaker.
• MCCB is a type of circuit breaker that is commonly used in electrical distribution systems.

• It provides protection against overcurrent and short circuit faults.

• MCCBs have adjustable trip settings for different levels of current protection.

• Examples of MCCB manufacturers include Schneider Electric, Siemens, and ABB.
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60 question were asked in ot to be answer in 60 min .

Q1. What is fluid ?
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Fluid is a substance that flows and takes the shape of its container.
• Fluid is a state of matter that has no fixed shape and yields easily to external pressure.

• Examples of fluids include water, air, and oil.

• Fluids can be classified as liquids or gases based on their properties.
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Q2. What is viscosity.
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Viscosity is a measure of a fluid's resistance to flow.
• Viscosity is the thickness or stickiness of a fluid.

• It is caused by the internal friction of the fluid.

• High viscosity fluids flow slowly, while low viscosity fluids flow quickly.

• Examples include honey (high viscosity) and water (low viscosity).
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