Coromandel International Mechanical Engineer Interview Questions and Answers

Q1. What is the difference between SS 304 and SS 316?
Ans. 
SS 304 and SS 316 are both stainless steel alloys, but with different compositions and properties.
• SS 304 contains 18% chromium and 8% nickel, while SS 316 contains 16% chromium, 10% nickel, and 2% molybdenum.

• SS 316 is more corrosion-resistant than SS 304, especially in environments with chlorides or acids.

• SS 316 is more expensive than SS 304.

• SS 304 is commonly used in food processing equipment, while SS 316 is used in
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Q2. What is API seal cooling plan?
Ans. 
API seal cooling plan is a system used to cool the mechanical seal of a pump or compressor to prevent overheating and failure.
• API stands for American Petroleum Institute, which sets standards for seal cooling plans in the oil and gas industry.

• The cooling plan typically involves circulating a cooling fluid, such as water or oil, through a jacket around the seal.

• The cooling fluid absorbs heat from the seal and carries it...read more
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Technically knowledge

Q1. Sallary discussion and company policy.
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Q1. Family discussion
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Q1. Personal introduction
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Q2. Your past job experience only
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