Hindustan Petroleum Apprentice Trainee Interview Questions and Answers

Q1. Mechanical engineering production
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Q2. Rosov full form
Ans. 
ROSOV stands for Return on Sales and Operating Value.
• ROSOV is a financial metric used to measure the profitability of a company.

• It calculates the return on sales and operating value by dividing the operating profit by the sales revenue.

• ROSOV helps in evaluating the efficiency and effectiveness of a company's operations.

• It is often used by investors and analysts to assess the financial performance of a company.

• For examp...read more
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Q3. HSD density and temperature
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Q4. Water density and temperature
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Water density decreases as temperature increases.
• Water density is the mass of water per unit volume.

• As temperature increases, water molecules gain energy and move faster.

• Faster moving molecules create more space between them, resulting in lower density.

• For example, ice has a higher density than liquid water because the molecules are more closely packed.
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Q5. My name is Deepak my qualifications diploma in mechanical engineering production
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Q6. What is gate valve principal
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A gate valve is a type of valve that uses a gate or wedge-shaped disc to control the flow of fluid.
• Gate valves are commonly used in industrial applications to control the flow of liquids or gases.

• The gate or disc of a gate valve moves up and down to open or close the valve.

• Gate valves provide a tight seal when closed, preventing any leakage.

• They are typically used in applications where a full flow or no flow condition ...read more
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Tell me about yourself and various question screening question why you want to join our company

Q1. Tell me about yourself, resume, projects
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Q1. Normal interview
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Q2. About yourself and basic information
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Q1. What are Control valve parts?
Ans. 
Control valve parts are components of a control valve that help regulate the flow of fluids or gases in a system.
• Valve body

• Actuator

• Valve trim (plug, seat, stem)

• Bonnet

• Packing

• Positioner
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Q1. Tell me about yourself
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Q1. What is your strength
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Q2. What is your weakness
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Q1. What is your chemical
Ans. 
My chemical knowledge includes understanding of various chemical compounds, reactions, and safety protocols.
• I have a strong foundation in chemistry principles and concepts.

• I am familiar with handling and storing chemicals safely.

• I have experience in conducting experiments and analyzing results.

• I am knowledgeable about different types of chemical reactions and their applications.

• I am aware of the importance of following...read more
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Q2. What is your chemical uses
Ans. 
My chemical uses include conducting experiments, analyzing data, and developing new products.
• Conducting experiments to test the properties of different chemicals

• Analyzing data to draw conclusions and make recommendations

• Developing new products by combining chemicals in innovative ways
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It was an easy aptitude round.

Q1. Just they asked about civil oriented concepts and about details of using cadd software.
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Q2. Usual questions like hobbies and family background they had asked.
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