Coromandel International Assistant Manager Mechanical Interview Questions and Answers

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Q1. Trade revltive drilling meantince tapping welding
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Q1. What is vekumpump and work ?
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Q2. What is Pump tipe and working
Ans. 
Pumps are devices used to move fluids (liquids or gases) by mechanical action.
• Pumps come in various types such as centrifugal pumps, reciprocating pumps, and rotary pumps.

• They work by creating a flow of fluid through the pump which increases the pressure of the fluid.

• Pumps are commonly used in industries for transferring liquids, such as water pumps in irrigation systems or fuel pumps in vehicles.
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Q1. How many types of gear used in market
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There are several types of gears used in the market.
• Spur gears

• Helical gears

• Bevel gears

• Worm gears

• Planetary gears

• Rack and pinion gears

• Internal gears

• Miter gears

• Spiral bevel gears

• Hypoid gears
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Q2. How many types of material
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There are numerous types of materials, including metals, polymers, ceramics, composites, and more.
• Metals: iron, aluminum, copper, etc.

• Polymers: plastics, rubber, etc.

• Ceramics: glass, porcelain, etc.

• Composites: fiberglass, carbon fiber, etc.

• Other: wood, concrete, etc.
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Q3. How may types of bolts
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There are several types of bolts, including hex bolts, carriage bolts, and lag bolts.
• Hex bolts have a hexagonal head and are commonly used in construction.

• Carriage bolts have a smooth, rounded head and are often used in woodworking.

• Lag bolts have a pointed tip and are used to attach heavy objects to wood or other materials.

• Other types of bolts include eye bolts, U-bolts, and J-bolts.
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Q1. About pump, reactor, vaccum pump, ejector HEat exchanger
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Q1. About mechanical seal ( pump and rector?)
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Q1. About Salary discussion
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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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Q1. Current job profile, organization Structure and your role/position, achievements, strength and weakness, aspirations, short & long term career plan, job management, SAP exposure, System related knowledge, ...read more
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