Star Paper Mills Assistant Manager Mechanical Maintenance Interview Questions and Answers

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Q1. CNC MACHINE WHAT DO YOU KNOW
Ans. 
CNC machines are computer-controlled machines used for precision machining.
• CNC stands for Computer Numerical Control.

• CNC machines are used in various industries for tasks like cutting, drilling, milling, and turning.

• They are programmed using G-code, a language that controls the machine's movements and operations.

• CNC machines offer high precision, repeatability, and automation.

• Examples of CNC machines include CNC mills,
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Q2. Production do you can more ?
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Q3. You can Every person to knowledge provide
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Q4. You can what how Machine tools repairing
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Q5. Skill is needed a employee yes or no ?
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Q1. What is type of mechanical sil
Ans. 
There are various types of mechanical seals used in different applications.
• Mechanical seals are used to prevent leakage between rotating and stationary parts in machinery.

• Common types of mechanical seals include pusher seals, non-pusher seals, cartridge seals, and split seals.

• Examples of mechanical seal applications include pumps, compressors, and mixers.

• Mechanical seals are typically made of materials such as carbon,
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Q2. What is planetary gear box
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A planetary gear box is a type of gear system that consists of one or more outer gears, or planet gears, revolving around a central gear, or sun gear.
• Consists of a central gear (sun gear), outer gears (planet gears), and a ring gear

• Provides high gear reduction in a compact size

• Commonly used in automotive transmissions and industrial machinery
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Q1. Whole technical work Explain regarding relevant field?
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Q2. Add step by step, one by one Electrical Maintenance Questions?
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Q3. Documentations.
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Q4. Daily updated Reports.
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Q5. Skills, Hobbies, Strength, Qualification, Experience, Development, kaizen,Growth etc.
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Q1. Type of brine chiller How to identify SS304 and SS316 Difference between Vecolity and Acceleration in Vibration measurement How to check torque if you have known valve of motor power ,input and output RPM
Ans. 
Identifying types of brine chillers, SS304 and SS316, differences between velocity and acceleration in vibration measurement, and checking torque based on motor power, input and output RPM.
• Brine chillers can be identified based on their cooling capacity, refrigerant type, and construction material.

• SS304 and SS316 can be identified by their composition - SS304 contains 18% chromium and 8% nickel, while SS316 contains 16...read more
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Q2. Basic knowledge or maintenance TPM policy Projects Difficulties faced and learnings
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Q1. Bearing paper machine power plant pump etc
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Q2. Compressor power plant pump power plant operation paper machine operation maintenance wearing gear etc
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Self thinking releated

Q1. Asked about electrical
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Q1. Asked about your self also salary expectation
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Q1. Technical round is there one to one interview
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Q2. How centrifugal pump work What is w33 etc
Ans. 
Centrifugal pumps work by converting rotational kinetic energy into hydrodynamic energy to move fluid through the pump.
• Centrifugal pumps use a rotating impeller to create a low pressure at the inlet and high pressure at the outlet, causing fluid to flow through the pump.

• The impeller spins at high speeds, imparting kinetic energy to the fluid which is then converted to pressure energy as it exits the pump.

• The pump housi...read more
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Q1. How much salary you want
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Q2. Less salary we can pay as you are local
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