Vedanta Resources Deputy Manager Interview Questions and Answers

Discuss the allocation of coal blocks and its relation to the per capita energy index.

Q1. Simple questions
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Q1. Rope dia calculation for given capacity of overhead crane.
Ans. 
Calculate rope diameter based on overhead crane capacity
• Calculate the weight of the load the crane will be lifting

• Determine the maximum load capacity of the crane

• Use the formula: Rope diameter = (Load weight / (2 * Safe working load * Safety factor * π))^0.5

• For example, if the load weight is 10 tons, safe working load is 5 tons, and safety factor is 2, the rope diameter would be calculated as: (10000 / (2 * 5 * 2 * 3.1
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Q2. Centrifugal pump efficiency curves
Ans. 
Centrifugal pump efficiency curves show the relationship between flow rate and efficiency of the pump.
• Efficiency curves help in selecting the right pump for a specific application

• They provide information on the pump's performance at different operating points

• Efficiency curves typically have a peak efficiency point and a best efficiency point (BEP)

• Understanding these curves can help in optimizing pump performance and en
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Q3. Cost of solenoid valve and servo.
Ans. 
The cost of solenoid valves and servos can vary depending on the brand, size, and quality.
• Cost of solenoid valves can range from $10 to $1000+ depending on size and brand.

• Servos can cost anywhere from $20 to $500+ depending on torque and brand.

• Higher quality solenoid valves and servos may have a higher price tag.

• Consider factors like durability, performance, and warranty when comparing costs.
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Q1. Compensating salary by giving 2 jump on post
Ans. But I didn't accepted their condition and said NO for job. Finally they agreed and at present I am working here.
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Q1. Unshaped refractories and types of industry culture
Ans. 
Unshaped refractories are versatile materials used in various industries, each with its own unique culture.
• Unshaped refractories are materials that can be molded and shaped to fit specific applications without the need for pre-fabrication.

• They are commonly used in industries such as steelmaking, cement production, and petrochemical refining.

• Each industry has its own unique culture and practices when it comes to the use...read more
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Q2. Steel making process
Ans. 
Steel making process involves converting iron ore into steel through various processes like smelting, refining, and casting.
• Iron ore is first mined and then processed to remove impurities.

• The purified iron ore is then melted in a blast furnace with coke and limestone to produce molten iron.

• The molten iron is then converted into steel through processes like basic oxygen steelmaking or electric arc furnace.

• The steel is t...read more
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Q1. Location, Previous industry background
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Q2. Previous CTC , 5 and half day leave and why you change your current job
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Q1. Quation related siemens plc automation and dc/ ac motors/drives
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Q1. Do you know about Coal India and its remote locations?
Ans. 
Yes, Coal India is a state-owned coal mining company with operations in remote locations.
• Coal India Limited is the largest coal-producing company in the world.

• It has mines in remote locations such as Jharkhand, Chhattisgarh, and Odisha.

• The company also has subsidiaries that operate in other countries such as Mozambique and South Africa.
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Q2. Why do you want to join here
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Q3. Tell me something about yourself and your experience
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