Gisco Mechanical Supervisor Interview Questions and Answers

Q1. Process of production
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Q2. Final production process
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Q1. Different between Forgings and casting
Ans. 
Forging involves shaping metal through compression, while casting involves pouring molten metal into a mold.
• Forging involves shaping metal through compressive forces, while casting involves pouring molten metal into a mold to solidify.

• Forging typically results in stronger and more durable parts compared to casting.

• Forging is a more precise process that allows for tighter tolerances, while casting is more suitable for c...read more
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Q2. What is the forgings
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Forgings are metal components that are shaped by compressive forces, typically through hammering or pressing.
• Forgings are typically stronger and more reliable than castings or machined parts.

• Common forging processes include open-die forging, closed-die forging, and ring rolling.

• Examples of forged components include crankshafts, connecting rods, and gears.

• Forgings are often used in industries such as automotive, aerospa
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Q3. What is the casting
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Q4. Process in casting
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Process in casting involves pouring molten metal into a mold to create a desired shape.
• Mold preparation is crucial for successful casting

• Molten metal is poured into the mold cavity

• Cooling and solidification of the metal takes place inside the mold

• The casting is removed from the mold and finished as needed
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Q5. Process in forging
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Forging is a manufacturing process where metal is shaped by applying compressive forces using a hammer or press.
• Metal is heated to a high temperature to make it more malleable

• The metal is then placed on a die and struck with a hammer or pressed to shape it

• Forging can be done using different techniques like open-die forging, closed-die forging, and impression-die forging
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Q1. Capacity of burners
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The capacity of burners refers to the maximum amount of fuel that can be burned in a given time period.
• Capacity is typically measured in BTUs (British Thermal Units) per hour.

• Factors affecting burner capacity include the size of the burner, the type of fuel being used, and the efficiency of the burner.

• For example, a large industrial furnace may have a capacity of 1 million BTUs per hour, while a small residential gas s...read more
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Q1. Company Experiences
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Q2. Hydraulic cylinder
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Q3. Gearbox question
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Q4. How many types valve
Ans. 
There are several types of valves used in mechanical systems.
• Gate valve

• Ball valve

• Butterfly valve

• Globe valve

• Check valve

• Diaphragm valve

• Plug valve

• Needle valve

• Pressure relief valve

• Safety valve
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Q5. Work experience
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Q6. Gearbox used oil
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Q1. What kind of hydraulic breakdown you faces
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I have faced various hydraulic breakdowns in my career as a Mechanical Maintenance Engineer.
• One common hydraulic breakdown is a leak in the hydraulic system, which can be caused by worn-out seals or damaged hoses.

• Another issue is a hydraulic pump failure, which can occur due to excessive wear and tear or lack of proper maintenance.

• Clogged or blocked hydraulic filters can also lead to breakdowns, as they restrict the fl...read more
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Q2. What is difference between hydraulic and pneumatic system
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Hydraulic systems use liquid to transmit power, while pneumatic systems use compressed air.
• Hydraulic systems use incompressible fluids like oil or water, while pneumatic systems use compressed air or gas.

• Hydraulic systems can generate higher forces and are used in heavy machinery like cranes and excavators.

• Pneumatic systems are lighter and more flexible, commonly used in applications like air brakes in vehicles.

• Hydraul...read more
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Q1. Engineering technical
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Q1. Salary Hike in percentage
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Q2. Salary Hike as per previous company
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