Krishna Group Oet Trainer Interview Questions, Process, and Tips

Basic Knowledge related branch

A fundamental understanding of your subject.

Q1. What is distillation
Ans. 
Distillation is a process of separating components of a liquid mixture based on differences in boiling points.
• Distillation involves heating a liquid mixture to create vapor, then cooling the vapor to collect the separated components.

• The component with the lower boiling point will vaporize first and be collected, leaving behind the component with the higher boiling point.

• Common examples of distillation include the produ...read more
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Q2. Moulding process
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Q3. What is heat transfer
Ans. 
Heat transfer is the movement of heat from one object to another due to a temperature difference.
• Heat transfer can occur through conduction, convection, or radiation.

• Conduction is the transfer of heat through direct contact, like a metal spoon getting hot in a hot drink.

• Convection is the transfer of heat through the movement of fluids, like boiling water in a pot.

• Radiation is the transfer of heat through electromagneti...read more
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Q4. What is boiling point
Ans. 
Boiling point is the temperature at which a liquid turns into vapor.
• Boiling point is specific to each substance and can vary based on pressure.

• Water boils at 100 degrees Celsius at sea level.

• Boiling point can be affected by altitude and atmospheric pressure.

• Boiling point is an important property used in chemistry and cooking.
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Q5. What is compressing moulding process
Ans. 
Compressing moulding process is a manufacturing technique where a material is compressed into a specific shape using heat and pressure.
• Involves placing material in a mould cavity

• Applying heat and pressure to compress the material into the desired shape

• Commonly used in industries like automotive, aerospace, and electronics

• Examples include compression molding of plastics or rubber
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Q1. Define Hooks law
Ans. 
Hook's law states that the force needed to extend or compress a spring by a distance is directly proportional to that distance.
• Force needed to extend or compress a spring is directly proportional to the distance

• Mathematically expressed as F = kx, where F is the force, k is the spring constant, and x is the distance

• The law applies to elastic materials like springs and rubber bands
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Q2. What is welding and welding type?
Ans. 
Welding is a fabrication process that joins materials, usually metals, by melting them together.
• Welding involves using heat to melt and fuse materials together

• Common types of welding include MIG, TIG, and stick welding

• Welding is used in various industries such as construction, automotive, and aerospace

• Examples of welded products include bridges, pipelines, and metal sculptures
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