POSCO-IPPC Junior Manager Interview Questions and Answers

Q1. Boiler working principle explain
Ans. 
Boiler works by heating water to create steam, which is used to generate power or heat.
• Boiler heats water to create steam through combustion of fuel or electricity

• Steam produced is used for various applications like power generation or heating

• Boiler components include burner, combustion chamber, heat exchanger, and controls
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Q1. We will only hold you but did not increment is that ok for you
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Basic Technical questions

About GST it's advantages and disadvantage

Q1. What is bearing..specification of bearing
Ans. 
Bearing is a machine element that supports a rotating shaft and reduces friction between moving parts.
• Bearing helps in reducing friction between moving parts

• It supports a rotating shaft

• Bearing is used in various machines like automobiles, industrial machinery, etc.

• The specification of bearing includes its size, load capacity, speed rating, and material used
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Q2. Tell me about hydraulic circuit
Ans. 
A hydraulic circuit is a system that uses fluid to transmit power and energy.
• It consists of a pump, fluid reservoir, valves, actuators, and hydraulic fluid.

• The pump pressurizes the fluid, which then flows through the circuit to power the actuators.

• Valves control the flow and direction of the fluid, allowing for precise control of the actuators.

• Examples include hydraulic brakes in cars and hydraulic lifts in constructio
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Q3. Working principle of hydraulic cylinder
Ans. 
Hydraulic cylinder works on the principle of converting hydraulic energy into mechanical energy.
• Hydraulic fluid is used to transmit force from one point to another

• The cylinder consists of a piston and a cylinder barrel

• When hydraulic fluid is pumped into the cylinder, it pushes the piston, creating mechanical force

• The force generated by the cylinder can be used for various applications such as lifting heavy objects or m...read more
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Q4. Defferent between presure relief and presure relief valve?
Ans. 
Pressure relief is the act of reducing pressure, while a pressure relief valve is a device used to control pressure.
• Pressure relief is a general term that refers to any action taken to reduce pressure in a system.

• Pressure relief valves are specific devices that are designed to open and release pressure when it reaches a certain level.

• Pressure relief can be achieved through various means, such as adjusting the flow rate...read more
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