Ovobel Foods Maintenance Incharge Interview Questions and Answers

Q1. Online inter view
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Q2. And operating and maintenance
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Q1. Electrical questions
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Q2. Diagrams and basics
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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,
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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
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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
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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
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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
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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
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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. Bearing and how to put bearing inside the shaft
Ans. 
To put a bearing inside a shaft, follow these steps: measure the shaft and bearing dimensions, clean the shaft and bearing, apply lubrication, align the bearing with the shaft, and press or slide the bearing into the shaft.
• Measure the dimensions of the shaft and bearing to ensure compatibility.

• Clean the shaft and bearing surfaces to remove any dirt or debris.

• Apply lubrication to the shaft and bearing to reduce friction...read more
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Q2. Manufacturing process in your plant
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Our manufacturing process involves several stages including raw material procurement, production, quality control, and packaging.
• We source raw materials from trusted suppliers to ensure quality.

• The production process includes various steps such as mixing, molding, and assembly.

• We have a dedicated quality control team that conducts inspections and tests at different stages.

• Packaging is done using automated machines to e...read more
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Q3. When and what u doin plant inventory whole process
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Plant inventory is conducted periodically to assess the stock of equipment, supplies, and materials.
• Plant inventory is typically done on a regular basis, such as annually or quarterly.

• The process involves physically counting and documenting all items in the plant, including machinery, tools, spare parts, and consumables.

• Inventory records are updated to reflect the current stock levels and identify any discrepancies.

• The...read more
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Q1. Engine kitne prakar ke hote Hain
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Q2. Petrol engine aur diesel antar mein kya antar hota hai
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Q1. What is the tpm
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Q2. What is the schedule maintenance
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Q1. What is the tpm
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Q2. The full meaning of CLITE
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Q1. What is the tpm
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Q2. The meaning of CLITE
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Q1. Related your experience
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Q2. Fitter related tools
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