Clean Science And Technology Interview Questions, Process, and Tips

Q1. What are the types of pump
Ans. 
Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.
• Centrifugal pumps: use a rotating impeller to increase the pressure of a fluid.

• Positive displacement pumps: move fluid by trapping a fixed amount and forcing it through the discharge.

• Axial flow pumps: move fluid parallel to the pump shaft.

• Examples: Centrifugal pump - water pump, Positive displacement pump - diaphragm pump, Axial
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Q2. Classification Of material
Ans. 
Classification of materials is the process of categorizing substances based on their properties and characteristics.
• Materials can be classified based on their composition (e.g. metals, polymers, ceramics)

• Materials can also be classified based on their properties (e.g. conductors, insulators, magnetic materials)

• Classification helps in understanding the behavior and applications of different materials
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Q3. Classification of stress
Ans. 
Stress can be classified as acute or chronic, eustress or distress, and as physical, mental, emotional, or environmental.
• Acute vs. Chronic stress

• Eustress vs. Distress

• Physical, Mental, Emotional, Environmental stress
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Q4. What are a type of beam
Ans. 
A type of beam is a structural element that carries load primarily in bending.
• Types of beams include cantilever beams, simply supported beams, and fixed beams.

• Beams can be made of materials such as wood, steel, concrete, or composite materials.

• Beams are commonly used in construction to support roofs, floors, and bridges.
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Q5. Conversion of dimension
Ans. 
Conversion of dimension involves changing the unit of measurement from one form to another.
• Conversion factors are used to convert between different units of measurement.

• Common conversions include inches to centimeters, feet to meters, and pounds to kilograms.

• Remember to multiply or divide by the conversion factor to get the correct result.
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Q6. Classification of turbine
Ans. 
Turbines can be classified based on various factors such as type, working fluid, and application.
• Classification based on type: Impulse turbines and Reaction turbines

• Classification based on working fluid: Steam turbines, Gas turbines, and Water turbines

• Classification based on application: Power generation turbines, Marine turbines, and Aircraft turbines
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Q7. Classification of steel
Ans. 
Steel can be classified based on its chemical composition, physical properties, and uses.
• Classification based on chemical composition: carbon steel, alloy steel, stainless steel

• Classification based on physical properties: high carbon steel, low carbon steel, high strength low alloy steel

• Classification based on uses: structural steel, tool steel, stainless steel

• Example: Carbon steel contains mainly carbon and iron, whil
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Colar coding of line in plant and NFPA tringal

Dcs operation, Manpower handling, 5s team member