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Mechanical Engineering
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3601.
What is machining, and how does it differ from other manufacturing processes?
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3602.
How do you handle material safely in a workshop?
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3603.
What is process optimization, and how does it improve workshop efficiency?
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3604.
What is the importance of surface finishing in mechanical components?
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3605.
What is the role of jigs and fixtures in machining?
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3606.
What are the common measuring instruments used in workshops?
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3607.
What is the difference between ferrous and non-ferrous materials used in workshop practice?
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3608.
What are the different types of hand tools used in a workshop?
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3609.
What safety precautions should be followed in a workshop?
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3610.
What are the different types of workshops in mechanical engineering?
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3611.
What is workshop practice, and why is it important in mechanical engineering?
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3612.
Explain the iron-carbon phase diagram?
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3613.
What is the significance of dislocations in materials?
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3614.
What is martensitic transformation?
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3615.
How does alloying affect phase transformations?
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3616.
What is the role of phase transformations in metallurgy?
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3617.
What are isothermal transformation diagrams (TTT diagrams)?
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3618.
What is Gibbs phase rule and its significance?
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3619.
How do phase diagrams help in material selection?
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3620.
What is the difference between solidus and liquidus lines?
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3621.
What are eutectic, eutectoid, peritectic, and peritectoid reactions?
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3622.
What is a phase diagram, and why is it important?
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3623.
What are point, line, and surface defects in crystals?
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3624.
How do Miller indices define crystallographic planes and directions?
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3625.
What is a unit cell in crystallography?
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3626.
What are lattice parameters, and how are they measured?
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3627.
How does the arrangement of atoms affect material properties?
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3628.
What is atomic packing factor (APF), and how is it calculated?
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3629.
What is the difference between FCC, BCC, and HCP structures?
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3630.
What are the different types of crystal structures?
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3631.
What is a crystal structure in materials science?
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3632.
How does the third law of thermodynamics affect absolute zero temperature?
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3633.
What is the third law of thermodynamics?
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3634.
Explain the Kelvin-Planck statement of the second law of thermodynamics.
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3635.
What is the Clausius statement of the second law of thermodynamics?
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3636.
Explain the concept of perpetual motion machines of the first and second kind.
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3637.
What is entropy, and how does it relate to the second law of thermodynamics?
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3638.
Explain the second law of thermodynamics with an example.
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3639.
What is the significance of the first law of thermodynamics in energy conservation?
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3640.
How does the first law of thermodynamics apply to a closed system?
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3641.
What is the first law of thermodynamics?
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3642.
Define specific heat at constant volume and specific heat at constant pressure.
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3643.
What is meant by a quasi-static process?
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3644.
How does temperature measurement relate to the zeroth law of thermodynamics?
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3645.
What is the zeroth law of thermodynamics?
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3646.
What are state functions and path functions? Give examples.
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3647.
Define intensive and extensive properties of a system.
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3648.
What do you mean by a thermodynamic equilibrium?
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3649.
What is the difference between an open system, closed system, and isolated system?
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3650.
What are the different types of thermodynamic systems?
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3651.
What is thermodynamics, and why is it important in mechanical engineering?
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3652.
What is a partial section, and when is it used?
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3653.
What is an auxiliary view, and how is it constructed?
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3654.
What is the difference between full section and half section views?
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3655.
What is a sectional view in an engineering drawing?
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3656.
How do you determine the number of views required in a drawing?
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3657.
What are auxiliary views, and why are they used?
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3658.
How do you differentiate between first-angle and third-angle projection in a drawing?
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3659.
What is the first-angle and third-angle projection?
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3660.
What are the three principal views used in orthographic projection?
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3661.
What is orthographic projection, and how does it work?
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3662.
What are the basic conventions followed in engineering drawing?
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3663.
What are the common mistakes to avoid in engineering drawings?
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3664.
What are the different types of scales used in engineering drawing?
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3665.
What are the different types of lines used in technical drawings?
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3666.
What is the significance of line types in engineering drawing?
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3667.
What are the basic tools used in manual drafting?
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3668.
What is the difference between engineering drawing and artistic drawing?
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3669.
What are the different types of engineering drawings?
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3670.
What are the fundamental principles of engineering graphics?
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3671.
What is engineering drawing, and why is it important in mechanical engineering?