Hirotec Mechanical Engg. Design Interview Questions and Answers

Easy normal quesstion basic questions

Q1. Easy questions , 1st law of thermodyanamics, more hr based
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Q2. 1st law thermodyanics
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Q3. What is turbines
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Turbines are machines that convert fluid energy into mechanical energy by using a rotor to capture the energy of a moving fluid.
• Turbines are commonly used in power plants to generate electricity from steam, water, or wind.

• There are different types of turbines such as steam turbines, gas turbines, and wind turbines.

• The rotor of a turbine is connected to a shaft which drives a generator to produce electricity.

• Turbines ar...read more
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Q4. What is conduction
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Conduction is the transfer of heat or electricity through a material without any movement of the material itself.
• Conduction occurs through direct contact between particles in a material.

• Materials with high conductivity, like metals, transfer heat or electricity more efficiently.

• Examples include a metal spoon getting hot when placed in a hot liquid, or a wire conducting electricity.

• Insulators, like rubber or wood, have ...read more
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Q5. What is convection
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Convection is the transfer of heat through a fluid (liquid or gas) by the movement of the fluid itself.
• Convection occurs when a fluid is heated, becomes less dense, and rises, while cooler fluid sinks and takes its place.

• Examples of convection include boiling water, ocean currents, and atmospheric circulation.

• Convection is an important mechanism for heat transfer in many engineering applications.
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