M E Energy Interview Questions, Process, and Tips

Q1. Questions about Heat exchanger and pressure vessels
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Q2. Welding and material related question
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Q1. What are the different types of welding defects?
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Different types of welding defects include porosity, undercutting, incomplete fusion, and cracks.
• Porosity: caused by gas entrapment during the welding process, resulting in small holes in the weld metal.

• Undercutting: occurs when the base metal is melted away from the weld, creating a groove along the weld toe.

• Incomplete fusion: happens when the weld metal does not properly fuse with the base metal, leading to weak join...read more
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Q1. Fabrication related Technical questions
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Q2. Welding process
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Q1. Types of heat transfer
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Types of heat transfer include conduction, convection, and radiation.
• Conduction: Heat transfer through direct contact between particles, such as a metal spoon heating up in a hot drink.

• Convection: Heat transfer through the movement of fluids, such as boiling water in a pot.

• Radiation: Heat transfer through electromagnetic waves, such as the sun warming the Earth.
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Q2. Heat transfer in Tea Cup
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Heat transfer in a tea cup involves conduction from the hot liquid to the cup, convection as the liquid circulates, and radiation from the cup to the surroundings.
• Conduction: Heat is transferred from the hot tea to the cup through direct contact.

• Convection: As the tea circulates in the cup, heat is distributed throughout.

• Radiation: The cup emits heat to the surroundings, cooling down the tea.

• Material of the cup affects...read more
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Q1. Acceptance criteria for RT & PT
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Acceptance criteria for RT & PT
• RT acceptance criteria may include verifying that the system meets real-time performance requirements

• PT acceptance criteria may involve ensuring that the system passes performance testing benchmarks

• Examples: RT criteria could be response time < 100ms, PT criteria could be handling 1000 concurrent users without crashing
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Q1. Family Background
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First round was aptitude test which contains basic questions from your academics.

Q1. Explain about boilers?
Ans. 
Boilers are closed vessels that heat water to create steam for various industrial processes.
• Boilers use fuel to heat water and generate steam.

• The steam produced can be used for heating, power generation, or other industrial processes.

• Boilers can be classified based on fuel type (e.g. coal-fired, gas-fired, biomass), pressure (e.g. high pressure, low pressure), and design (e.g. fire-tube, water-tube).
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Q1. What are the types of welding?
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Types of welding include MIG, TIG, stick, and flux-cored welding.
• MIG welding (Metal Inert Gas) uses a wire electrode and shielding gas to join metal.

• TIG welding (Tungsten Inert Gas) uses a tungsten electrode and filler rod with shielding gas.

• Stick welding (Shielded Metal Arc Welding) uses a flux-coated electrode to create the weld.

• Flux-cored welding uses a tubular wire electrode with flux inside to shield the weld.
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