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Metallurgical Engineering · all questions

Miscellaneous in Metallurgy
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The extending the polymer chain by successive addition of monomers units is called

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Dacron is an example of

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If Reynolds number is greater than 1, then the

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Which is the correct (degree) temperature range for spherodized carbide in low carbon steel

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Which of the following torch angle used in the forehand welding process

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The Nusselt number depends only on the Rayleigh number (product of the Grashof and Prandtl numbers) in the limit of

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Which of the following has a greater impact on the longitudinal strength of reinforced composites

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For ferrous drawing, the drawing speed of multiple die machine is

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For edge dislocation slip plane is

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Match the items in Group 1 with units/dimensions in Group 2.
Group 1 Group 2
P. Diffusivity 1. Lt-1
Q. Surface tension 2. L-2t-1
R. Dislocation density 3. JL-2
S. Mass Transfer coefficient 4. J mol-1.K-1
5. L-2

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At a particular extrusion ratio, the strength . . . . . . . . along the length of the extruded product from front to back end.

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Probability of nucleation throughout the system is . . . . . . . . In heterogeneous nucleation.

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A glass fibre reinforced epoxy composite is made with 60 wt.% unidirectional continuous glass fibres. The elastic moduli of the glass fibre and the epoxy matrix are 72.5 and 2.4 GPa, respectively. What is the elastic modulus of this composite along the fibre direction, in GPa? The densities of glass fibre and epoxy are 2.58 g/cm3 and 1.14 g/cm3, respectively

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The the equation for thermal conductivity

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Example/examples of eutectoid system is/are

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The resistance to compressive deformation increases when length to thickness

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Hardness of steel increases with the

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The motion of edge dislocation inside the materials may be

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The infinitely long and wide parallel plates A and B are at temperature. Ta and Tb respectively. The energy transferred from relatively hotter plate A to plate B is proportional to

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A steel rod was subjected to a fluctuating stress cycle that varied between a maximum of 400 MPa in tension to a minimum of 300 MPa in compression. What is the stress amplitude, in MPa?

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