Jain Farm Fresh Foods Interview Questions, Process, and Tips for Experienced

Multi option question related to metallurgy , thermal engineering, fluid mechanics

Q1. Tell me about your self and past experient
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Q2. Explain refrigeration system, it's types, which refrigerant use, pros and cons,
Ans. 
Refrigeration system is a process of removing heat from a space or substance and maintaining a low temperature.
• Types of refrigeration systems include vapor compression, absorption, and gas cycle.

• Refrigerants commonly used are R-22, R-134a, and R-410A.

• Pros of refrigeration systems include preservation of food and medicine, air conditioning, and industrial processes.

• Cons include environmental impact due to refrigerant le
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Q3. Explain Types of welding , it's pros and cons
Ans. 
Types of welding include arc welding, gas welding, and resistance welding.
• Arc welding uses an electric arc to create heat and join metals, commonly used in construction and fabrication.

• Gas welding involves the use of a fuel gas and oxygen to create a flame for melting and joining metals, commonly used in automotive repairs.

• Resistance welding uses the application of pressure and electric current to join metals, commonly...read more
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Q4. Explain types of boilers , it's working procedure and safety norms
Ans. 
Boilers are vessels that generate steam by heating water. There are various types of boilers with different working procedures and safety norms.
• Types of boilers include fire-tube, water-tube, electric, and biomass boilers

• Boilers work by heating water to produce steam, which is then used for various applications

• Safety norms include regular maintenance, proper ventilation, and adherence to safety codes and regulations

• Exa...read more
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Q5. Explain about Colling towers, types , uses, cooling performance calculation
Ans. 
Cooling towers are heat rejection devices used in HVAC systems to remove heat from the water-cooled system.
• Types of cooling towers include natural draft, mechanical draft, and hybrid.

• Cooling towers are used in power plants, chemical plants, and HVAC systems.

• Cooling performance calculation involves determining the heat load, water flow rate, and temperature difference.

• Factors affecting cooling tower performance include ...read more
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Q6. Explain type of pumps, explain pump selection criteria
Ans. 
Different types of pumps are used for different applications. Pump selection criteria depend on factors like flow rate, head, viscosity, etc.
• Centrifugal pumps are used for low viscosity fluids and high flow rates

• Positive displacement pumps are used for high viscosity fluids and low flow rates

• Factors like flow rate, head, viscosity, temperature, pressure, etc. are considered while selecting a pump

• For example, a centrifu...read more
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Q7. Fluid and air Pressure measuring calculations
Ans. 
Fluid and air pressure measuring calculations
• Understand the units of pressure measurement (psi, bar, kPa, etc.)

• Use pressure gauges and transducers to measure pressure

• Calculate pressure drop in pipes and fittings

• Apply Bernoulli's equation to calculate pressure changes in fluid flow

• Understand the ideal gas law for air pressure calculations
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Q1. Tell me about your self
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Q2. Why do you want to join this group
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Q3. Explain about your family members
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Q1. Your last job role. And why leave that company
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Q1. What is ur last package
Ans. 
My last package was $80,000 per annum.
• My last package was $80,000 per annum.

• I received a bonus of $10,000 based on my performance.

• I also had health insurance and other benefits included in my package.
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