P.J Valves Manufacturing Interview Questions and Answers

Q1. Statistical Data questions
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Q2. Deep leaning questions
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Q1. Describe your 15 years of experience
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Q1. What is your future plans
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Q1. Steps involved in risk assessment
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Risk assessment involves identifying hazards, evaluating risks, implementing control measures, and reviewing effectiveness.
• Identify hazards present in the workplace

• Evaluate the risks associated with each hazard

• Implement control measures to reduce or eliminate risks

• Review the effectiveness of the control measures

• Document the risk assessment process and findings
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Question asked form mechanical field

Q1. Question asked from your self and family
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Q1. Ask everything.
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Q2. About your family
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Q3. According to job ( mine : design) , asked and tell me to draw some simple engineering drawings
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Q4. First of all they will ask how are u today.
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Q1. Job Description matching and Overall fitment
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Q1. All technical related to Job Description
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Q2. As per Job description
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Q1. Profile fitment
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Q1. What’s your back ground
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Q2. What’s your rol
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Q3. What’s the salary
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Basic electronics question

Q1. Electronics components,LDO, Power supply,rectifier
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Q1. Basic salary discussion
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Q1. 1. Introduce yourself
Ans. 
I am a Senior Chemical Engineer with expertise in process optimization and project management.
• Over 10 years of experience in the chemical engineering field

• Proficient in designing and implementing process improvements

• Strong knowledge of safety regulations and environmental standards

• Managed multiple projects from conception to completion, resulting in cost savings and increased efficiency

• Collaborated with cross-functiona...read more
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Q2. 2. How to calculate the line size
Ans. 
Line size calculation depends on flow rate, fluid properties, and pressure drop.
• Determine the required flow rate

• Determine the fluid properties such as viscosity and density

• Calculate the pressure drop based on the length of the line and the fittings used

• Select a line size that can handle the required flow rate with an acceptable pressure drop

• Consider factors such as cost and space limitations

• Use industry standards and g...read more
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Q3. 3. Between Kerosene and water what will you observe while using the same pump
Ans. 
The pump will observe both kerosene and water being pumped together.
• The pump will not be able to differentiate between the two liquids

• Both liquids will be pumped together in the same flow

• The mixture of kerosene and water may cause issues in downstream processes

• Separation techniques such as gravity settling or centrifugation may be required to separate the two liquids
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Q4. 4. Between H2 and N2 say for 100 kg/hr more pressure drop will be observed
Ans. 
H2 will have more pressure drop than N2 for 100 kg/hr
• H2 has a smaller molecular size than N2

• Higher flow rate leads to higher pressure drop

• This phenomenon is commonly observed in gas pipelines
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Q5. 5. If you have to enhance flow by twice what and all to considered during pipe sizing
Ans. 
To enhance flow by twice, pipe diameter needs to be increased by factor of 1.19 and velocity needs to be reduced by half.
• Increase pipe diameter by factor of 1.19

• Reduce velocity by half

• Consider the fluid properties and pressure drop

• Ensure the pipe material can handle the increased flow

• Check for any potential blockages or obstructions in the pipeline
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Q6. 6. If distillation column pressure goes slightly up and there is no flooding will the seperation prove
Ans. 
Slight increase in distillation column pressure without flooding will not affect separation
• Slight increase in pressure does not cause flooding which is the main factor affecting separation

• Separation efficiency may decrease slightly but not significantly

• Factors like temperature, feed rate, and composition also affect separation
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Q7. 7. Why do you want relocate from your Home city to Gurgaon
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I want to relocate from my home city to Gurgaon for better career opportunities and professional growth.
• Gurgaon offers a thriving job market with numerous opportunities for chemical engineers.

• The city is home to several multinational companies and industrial hubs, providing a conducive environment for career advancement.

• Gurgaon has a well-developed infrastructure and is known for its modern amenities, making it an attr...read more
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Q8. 8. Why do you want to change your job profile from Process operation engineer to Process design engineer and how will you encounter this challenge
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I want to change my job profile from Process operation engineer to Process design engineer because I am interested in the creative and analytical aspects of designing processes.
• I have always been fascinated by the process of designing and optimizing chemical processes.

• I enjoy problem-solving and finding innovative solutions to improve efficiency and productivity.

• I believe that my experience as a Process operation engin...read more
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Q1. What are the faults in transmission line
Ans. 
Faults in transmission lines can include short circuits, open circuits, and insulation breakdown.
• Short circuits occur when two conductors come into contact, causing a sudden increase in current flow.

• Open circuits happen when there is a break in the conductor, leading to a loss of continuity in the circuit.

• Insulation breakdown occurs when the insulation material fails, resulting in leakage current or arcing.

• Other faults...read more
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