Jayaswal Neco Industries Assistant Manager Operations Interview Questions and Answers

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Q1. What are your job responsibilities in your previous plant?
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Q2. What are the safety interlocks in boiler and turbine?
Ans. 
Safety interlocks in boiler and turbine are mechanisms designed to prevent unsafe conditions and protect equipment.
• Safety valves to release excess pressure in the boiler

• Flame detectors to ensure proper combustion in the boiler

• Emergency stop buttons to shut down the turbine in case of a malfunction

• Temperature sensors to monitor and control the temperature in the boiler and turbine

• Pressure switches to prevent overpressur
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Q3. How many overspeed trips are generally set in turbines?
Ans. 
The number of overspeed trips set in turbines varies depending on the type and size of the turbine.
• The number of overspeed trips set in turbines can range from 1 to 3, depending on the manufacturer and design of the turbine.

• Overspeed trips are safety mechanisms that are designed to shut down the turbine if it exceeds its maximum safe operating speed.

• Some turbines may have adjustable overspeed trip settings to allow for...read more
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Q4. What are the reasons for ACC vacuum low during rain?
Ans. 
ACC vacuum may be low during rain due to water entering the system and affecting the vacuum pressure.
• Water entering the ACC system can disrupt the vacuum pressure

• Moisture can cause blockages in the system, leading to low vacuum levels

• Leaks in the system can allow water to enter and affect the vacuum pressure
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Q1. Technical questions production effecency
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Q2. Pellet yeld,flow sheet
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Group discussion, shift incharge, good behavior

Group discussion, other, technical

Q1. Explain heat treatment process ?
Ans. 
Heat treatment is a process of heating and cooling metals to alter their physical and mechanical properties.
• The process involves heating the metal to a specific temperature and holding it there for a certain amount of time.

• The metal is then cooled at a controlled rate to achieve the desired properties.

• Heat treatment can be used to increase the hardness, strength, toughness, and ductility of metals.

• Examples of heat trea...read more
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Q2. What is the difference between tubes and pipe?
Ans. 
Tubes are used for fluids and gases, while pipes are used for structural purposes.
• Tubes have a smaller diameter than pipes.

• Tubes are often used in industries like pharmaceuticals and food processing.

• Pipes are commonly used in construction and infrastructure projects.

• Tubes are often seamless, while pipes can be either seamless or welded.

• Tubes are more flexible than pipes.
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Q3. What is the formula of slip factor & Q factor?
Ans. 
Slip factor formula is (N1-N2)/N1 and Q factor formula is Q = Qh/Ql
• Slip factor is used to measure the difference between synchronous speed and actual speed of a motor

• Q factor is used to measure the quality of a resonant circuit

• N1 and N2 are the synchronous speed and actual speed of the motor respectively

• Qh and Ql are the high and low energy stored in the resonant circuit respectively
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Q4. Types of Material defects
Ans. 
Material defects can be classified into various types based on their nature and impact on the product.
• Dimensional defects - variations in size or shape

• Surface defects - scratches, cracks, pits, etc.

• Physical defects - porosity, inclusions, voids, etc.

• Chemical defects - impurities, contamination, etc.

• Performance defects - failure to meet functional requirements

• Examples - warped plastic parts, corroded metal components, s
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Q5. Pipe weight formula for steel
Ans. 
The pipe weight formula for steel is based on the dimensions of the pipe.
• The formula is: (outer diameter - wall thickness) x wall thickness x 0.02466 = kg/meter

• The weight of the pipe can also be calculated using the density of steel and the volume of the pipe.

• Different types of steel have different densities, so the weight formula may vary depending on the type of steel used.
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Q6. What is drawing force for one tube ?
Ans. 
Drawing force is the force required to pull a tube through a die or a mandrel.
• Drawing force is an important parameter in tube drawing process.

• It is the force required to pull a tube through a die or a mandrel.

• It is influenced by various factors such as material properties, die angle, lubrication, etc.

• Higher drawing force indicates higher deformation and can lead to defects like cracking or tearing.

• Drawing force can be ...read more
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Q1. What is your expectation?
Ans. 
My expectation is to contribute to the growth and success of the company by utilizing my skills and experience in operations management.
• I expect to have clear goals and objectives to work towards.

• I expect to be given the necessary resources and support to achieve those goals.

• I expect to work in a collaborative and inclusive environment.

• I expect to have opportunities for professional development and growth.

• I expect to b...read more
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Q2. Notice period for your current employer
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