SAEL Industries Limited Mechanical Engineer Interview Questions, Process, and Tips

Q1. Technical case study
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Q2. Group discussion HR case study
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Q1. Which oil use in gear box ?
Ans. 
The type of oil used in a gear box depends on the specific requirements of the gearbox and manufacturer recommendations.
• The type of oil used in a gear box should meet the manufacturer's specifications.

• Common types of oils used in gear boxes include mineral oil, synthetic oil, and semi-synthetic oil.

• The viscosity of the oil is also an important factor to consider when choosing the right oil for a gear box.

• Regular mainte...read more
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Q2. How many types of bearing use in Rolling Mill ?
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There are several types of bearings used in rolling mills, including roller bearings, ball bearings, and tapered roller bearings.
• Roller bearings are commonly used in rolling mills due to their ability to support heavy radial loads.

• Ball bearings are used for lighter loads and high-speed applications.

• Tapered roller bearings are used to support both radial and axial loads.

• Other types of bearings that may be used include c...read more
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Q3. Explain maintenance process of furnace.
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Maintenance process of furnace involves regular inspection, cleaning, and repair to ensure optimal performance and safety.
• Regularly inspecting the furnace for any signs of wear and tear

• Cleaning the furnace components such as burners, filters, and ducts to remove debris and improve efficiency

• Replacing any faulty or worn-out parts to prevent breakdowns and ensure safety

• Checking and adjusting the fuel and air mixture for ...read more
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General aptitude test follwed by a technical round. Questions were asked from different online forums/sites. Lengthy to be solved at own. it was a CBT.

GD was conducted in batches of 10 to 15. Firstly all members were given 3 choices of topics for GD. GD topics were very general. Then the selected topic was reserved for the GD. it was more like a debate. Everyone raised volume to ensure that they are heard more. Those who spoke more irrespective of the quality of arguments, finally aced the GD round.

Q1. General information regarding my educational background and family background. HR raised questions entirely from my resume
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Q2. Tell me about yourself
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Q3. What does your parents/siblings do
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Q4. Tell me about the internship
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Q5. Explain your project during internship
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Q6. Would you be comfortable with pan india location
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Q7. Tell me about your city
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Q1. What is your favorite subject
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Q2. Why is ........... your favorite subject
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Q3. Do you know how a thermal power plant works
Ans. 
A thermal power plant generates electricity by converting heat energy into electrical energy through the use of steam turbines.
• Thermal power plants burn fossil fuels such as coal, natural gas, or oil to heat water and produce steam.

• The steam is then used to drive a turbine connected to a generator, which produces electricity.

• The waste heat from the turbine is usually released into the environment through cooling towers...read more
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Q4. Explain working of thermal power plant
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Thermal power plants generate electricity by converting heat energy into electrical energy.
• Fuel (coal, oil, gas) is burned to produce heat

• Heat is used to boil water and produce steam

• Steam drives a turbine connected to a generator, producing electricity

• Cooling water is used to condense the steam back into water for reuse

• Electricity is then transmitted through power lines to consumers
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Q5. Explain rankine cycle
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Rankine cycle is a thermodynamic cycle used in steam power plants to generate electricity.
• Rankine cycle involves four processes: compression, heating, expansion, and cooling.

• Steam is compressed in a pump, heated in a boiler, expanded in a turbine, and cooled in a condenser.

• The cycle aims to maximize the efficiency of converting heat into mechanical work.

• It is commonly used in power plants to generate electricity.

• Effici...read more
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Q6. How is electricity produced in generator? Which law explain
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Electricity is produced in a generator through electromagnetic induction. Faraday's law of electromagnetic induction explains this process.
• Electricity is produced in a generator through the process of electromagnetic induction.

• When a conductor is moved through a magnetic field, or a magnetic field is moved around a conductor, it creates an electric current.

• This current is then collected and converted into usable electr...read more
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Q7. Why you want to be in jsw energy
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