SRF Interview Questions, Process, and Tips

Q1. What is bubble point
Ans. 
Bubble point is the pressure at which the first bubble of vapor is formed in a liquid-vapor mixture.
• Bubble point is the pressure at which a liquid-vapor mixture starts to boil.

• It is a critical parameter in the design and operation of distillation columns.

• Bubble point can be determined experimentally using a bubble point tester.
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Q2. What is molarty
Ans. 
Molarity is a measure of the concentration of a solute in a solution.
• Molarity is defined as the number of moles of solute per liter of solution.

• It is represented by the formula M = moles of solute / liters of solution.

• For example, a solution containing 0.5 moles of NaCl in 1 liter of water has a molarity of 0.5 M.
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Q1. About me & my qualification
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Q2. About the Induction Motor
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Q3. About the Transformer
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Q4. About the Utilization of Electrical Energy
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Q5. About my hobbies
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Basic fundamentals of Graduation

Q1. Difference between Unit Process and Unit operation
Ans. 
Unit process involves a series of operations to bring about a physical or chemical change, while unit operation is a single step in a process.
• Unit process involves multiple unit operations to achieve a desired outcome

• Unit operation is a single step in a process that can be repeated multiple times

• Examples of unit processes include distillation, filtration, and chemical reactions

• Examples of unit operations include mixing
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Q2. What is Absorption
Ans. 
Absorption is the process of taking in or soaking up something.
• Absorption is the movement of substances from the outside of a cell or organism to the inside.

• It can refer to the process of nutrients being taken up by the body during digestion.

• Absorption can also be used in the context of economics, where it refers to the total demand for goods and services in an economy.

• Examples include the absorption of nutrients from ...read more
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Q1. What is cavitation
Ans. 
Cavitation is the formation of vapor bubbles in a liquid when the local pressure drops below the vapor pressure of the liquid.
• Occurs in pumps, propellers, and other fluid flow systems

• Can cause damage to equipment due to the collapse of vapor bubbles

• Can be controlled by design modifications or using cavitation-resistant materials
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Q2. What is NPSH and types of fluid
Ans. 
NPSH stands for Net Positive Suction Head. Types of fluid include liquid and gas.
• NPSH is a measure of the pressure available to prevent cavitation in a pump

• Types of fluid include liquid (water, oil) and gas (air, steam)

• NPSH is important in pump selection and operation
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