Lifelong India Engineer Interview Questions and Answers for Experienced

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Q1. What is Material management for you
Ans. 
Material management involves planning, organizing, and controlling the flow of materials from acquisition to use or disposal.
• Involves planning, organizing, and controlling materials

• Ensures materials are available when needed

• Optimizes inventory levels to minimize costs

• Tracks and monitors material usage and waste

• Coordinates with suppliers for timely delivery
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Engineering reasoning

Q1. Types of chiller, compressor & plastic,
Ans. 
There are different types of chillers, compressors, and plastics used in engineering.
• Types of chillers include absorption, centrifugal, and screw chillers.

• Compressors can be classified as reciprocating, rotary, and centrifugal compressors.

• Plastics used in engineering include polyethylene, polypropylene, and polystyrene.

• Each type of chiller, compressor, and plastic has its own unique properties and applications.
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Q2. Pneumatic & hydraulic, valves & actuators
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Q3. Cooling tower, range, approach
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Q4. Gear box & its types
Ans. 
Gear box is a mechanical device that transmits power from an engine to the wheels. There are various types of gearboxes.
• Gearboxes are used in automobiles, industrial machinery, and other applications.

• The most common types of gearboxes are manual, automatic, and continuously variable transmissions (CVT).

• Manual gearboxes require the driver to manually shift gears using a clutch and gear stick.

• Automatic gearboxes shift ge...read more
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Q1. What is cavitation in centrifugal pump? How do you mean by NPSH?
Ans. 
Cavitation is the formation of vapor bubbles in a centrifugal pump due to low pressure. NPSH stands for Net Positive Suction Head.
• Cavitation occurs when the pressure at the pump inlet drops below the vapor pressure of the liquid, causing the formation of vapor bubbles.

• These vapor bubbles collapse when they reach higher pressure areas, leading to damage to the pump impeller and reduced pump performance.

• Cavitation can be...read more
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Q2. What is surging? How do you manage lubrication in different rotating equipment?
Ans. 
Surging is a phenomenon in rotating equipment where the flow rate becomes unstable.
• Surging occurs when the flow rate through a rotating equipment fluctuates due to changes in operating conditions.

• It can lead to reduced efficiency, increased wear and tear, and potential damage to the equipment.

• To manage lubrication in different rotating equipment, it is important to monitor and control the flow rate, viscosity, and temp...read more
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Q1. Questions about compressor handling
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Q2. About your previous company working experience
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Q1. Last plant process detail Last plant emergency handling Start up - shut down Types of equipment knowledge
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Q1. Experience in field Last plant Qualification
Ans. 
I have 2 years of experience in the field of mechanical engineering. My last plant was XYZ Ltd. and I hold a Bachelor's degree in Mechanical Engineering.
• 2 years of experience in mechanical engineering

• Last plant was XYZ Ltd.

• Hold a Bachelor's degree in Mechanical Engineering
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