Welspun World Diploma Mechanical Engineer Interview Questions and Answers

Q1. RAC related questions
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Q1. Thermodynamics 2
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Gk , GS ,English tough questions domain subject

Q1. Like as internship training based questions and branch subject
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Q2. Unit of strain & mechanical properties
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Unit of strain is dimensionless, mechanical properties include stress, strain, modulus of elasticity, yield strength, ultimate tensile strength, etc.
• Strain is a dimensionless quantity representing the deformation of a material relative to its original size.

• Mechanical properties include stress, strain, modulus of elasticity, yield strength, ultimate tensile strength, etc.

• Units of stress are typically measured in Pascals...read more
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Q3. TIME TEMPERATURE TRANSFORMATION
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Q4. Type of beam cantilever beam example.&
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A cantilever beam is a type of beam that is fixed at one end and free at the other end.
• Cantilever beams are commonly used in construction and engineering projects.

• Examples of cantilever beams include diving boards, balconies, and shelves.

• They are designed to support loads on the free end without any additional support at that end.
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Q5. How to generate electricity in power plant
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Electricity in power plants is generated through various methods like burning fossil fuels, nuclear reactions, or harnessing renewable sources like wind or solar.
• Burning fossil fuels like coal, oil, or natural gas to heat water and produce steam to turn turbines

• Nuclear reactions in nuclear power plants to generate heat and produce steam

• Harnessing renewable sources like wind turbines or solar panels to convert natural e
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Q6. DM plant and coal handling plant equipment name Why demineralised water used in boiler
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DM plant equipment includes ion exchange resin beds, reverse osmosis units, and mixed bed exchangers. Coal handling plant equipment includes crushers, conveyors, and stacker reclaimers.
• DM plant equipment: ion exchange resin beds, reverse osmosis units, mixed bed exchangers

• Coal handling plant equipment: crushers, conveyors, stacker reclaimers

• Demineralised water used in boiler to prevent scaling and corrosion

• High mineral...read more
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Q1. First family background then technical questions like as internship training based questions tough HR round
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Q2. Full process of power plant
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The full process of a power plant involves converting fuel into electricity through various stages.
• Fuel (such as coal, natural gas, or nuclear material) is burned to produce heat

• The heat is used to boil water and create steam

• The steam turns a turbine connected to a generator, producing electricity

• The electricity is then sent through transmission lines to homes and businesses

• Waste heat is often captured and used for oth
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Q3. How to generate steam in boiler & which type of boiler
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Steam in a boiler is generated by heating water to its boiling point. There are various types of boilers, such as fire tube, water tube, and electric boilers.
• Boilers generate steam by heating water to its boiling point

• Types of boilers include fire tube, water tube, and electric boilers

• Fire tube boilers have hot gases flowing through tubes that are surrounded by water

• Water tube boilers have water flowing through tubes t...read more
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Q4. Power plant equipment name
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Power plant equipment are devices used in power generation processes.
• Boilers

• Turbines

• Generators

• Transformers

• Condensers
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Q1. Chemical diploma questions
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Q2. Cement fertilizer
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Q3. Cement reaction
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Q1. ITI diploma polytechnic
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Normal gk English grammar maths etc

Q1. Humidity is measured with?
Ans. 
Humidity is measured with a hygrometer.
• Hygrometer is a device used to measure humidity in the air.

• There are different types of hygrometers such as psychrometers, capacitive, and resistive hygrometers.

• Humidity can also be measured using a sling psychrometer, which consists of two thermometers - a dry bulb and a wet bulb.

• The difference in temperature readings between the two thermometers is used to calculate the relative
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Q2. Why mercury is used to measure temperature?
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Mercury is used to measure temperature because of its high thermal expansion and visibility in a narrow tube.
• Mercury has a high coefficient of thermal expansion, making it sensitive to temperature changes.

• It remains in liquid form over a wide range of temperatures, allowing for accurate readings.

• Mercury is easily visible in a narrow glass tube, making it easy to read the temperature.

• It has a high boiling point, ensurin...read more
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Q3. From where you have done internship
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I have done my internship at XYZ Company in the field of electrical engineering.
• Internship at XYZ Company

• Field of electrical engineering

• Hands-on experience with electrical systems and equipment

• Worked on projects related to power distribution and control systems
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Q1. What is pump? Describe its parts.
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A pump is a mechanical device used to move fluids from one place to another. It consists of various parts that work together to achieve this function.
• Pumps have an inlet where the fluid enters and an outlet where it exits.

• Common parts of a pump include impeller, casing, shaft, bearings, and seals.

• The impeller is a rotating component that imparts energy to the fluid.

• The casing surrounds the impeller and directs the flow...read more
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Q2. Can we use two gears of same size to transmit power is it beneficial
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Using two gears of the same size to transmit power is not beneficial as it does not provide any mechanical advantage.
• Using gears of different sizes is more efficient for power transmission as it allows for speed and torque manipulation.

• Gears of the same size will not change the speed or torque of the system, making them less versatile for different applications.

• Different sized gears can be used to achieve gear reductio...read more
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