Rashmi Metaliks Administration Officer Interview Questions and Answers

On electrical subject

Q1. Previous experience and location
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Q1. About resistance series and parallel
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Q1. Abhishek sehgal sir took my interview at Guwahati one to one
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Q1. Praveen sir took my final round via telephonic
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Q1. 1. Tell me about yourself
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Q2. 2. Why u choosed mechanical engineering
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Q3. 3. Elaborate use of gear box
Ans. 
A gear box is a mechanical device that uses gears to provide speed and torque conversions from a rotating power source to another device.
• Gear boxes are commonly used in vehicles to transfer power from the engine to the wheels.

• They can also be found in industrial machinery to control speed and direction of rotation.

• Gear boxes consist of multiple gears of different sizes that mesh together to provide the desired output.

• T...read more
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Q4. 4. Types of pumps and their characteristics
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Types of pumps include centrifugal, positive displacement, and axial flow pumps.
• Centrifugal pumps use a rotating impeller to increase the pressure of a fluid.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge.

• Axial flow pumps move fluid parallel to the impeller shaft.

• Examples include centrifugal pumps in HVAC systems, diaphragm pumps in chemical processing, and axial
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Q5. Metallurgical process of blast furnace
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Blast furnace is a metallurgical process used to extract iron from its ore through reduction reactions.
• Iron ore, coke, and limestone are fed into the furnace

• Hot air is blown into the furnace to ignite the coke and initiate the reduction process

• The iron ore is reduced to molten iron, which is tapped off at the bottom of the furnace

• Slag, a byproduct of the process, is also tapped off and used in construction

• The process i...read more
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Q1. Explain MTTR, MTBF
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MTTR stands for Mean Time To Repair and MTBF stands for Mean Time Between Failures.
• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between failures of a component or system.

• MTTR is calculated as total downtime divided by the number of failures.

• MTBF is calculated as total uptime divided by the number of failures.

• MTTR is usually measured in hours or minutes, while MTBF is me...read more
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Q2. How to balancing impeller
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Balancing an impeller involves adjusting the weight distribution to minimize vibration and improve performance.
• Identify the heavy spots on the impeller

• Add or remove material to balance the impeller

• Use a balancing machine to check the balance

• Repeat the process until the impeller is properly balanced
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Q1. Transformer protection settings
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Q2. Motor protection settings
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Motor protection settings are parameters set to protect the motor from damage due to overcurrent, overload, overheating, etc.
• Motor protection settings include overload relay, thermal overload relay, circuit breaker, fuses, etc.

• These settings are crucial for preventing motor damage and ensuring safe operation.

• Examples of motor protection settings include setting the overload relay to trip at a certain current level, set...read more
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Q1. About coal and it's processing
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Q1. With plant Head, about plant equipment and their maintenance
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Q1. Why are you looking for a change?
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Q1. Tripathi & D B Das there for interviewer
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Q1. Basic Dol , rev fwd drawing
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Q1. Critical people, only discussion about salary
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