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In centrifugal casting, a movable pouring basin is employed for the pouring of molten metal.
At the mould exit of a continuous caster, the metal consisting of a solidified shell with a liquid metal core exits at the rate of 35 kg S-1. Given that the latent heat of fusion is 3 × 105 J kg-1 and the total rate of heat removal by the mould is 4.2 × 106 W, the mass fraction of solid at the mould exit is . . . . . . . .
Assume that both while solid and liquid remain at the melting point, they are in the mould.
The riser is a reservoir of molten metal provided in the casting so that hot metal can flow back into the mould cavity when there is a reduction in the volume of metal due to?
In vapor compression cycle having dry saturated vapor at the end of compression the refrigeration effect is given by? H1 – Enthalpy of vapor before compression H4 – Enthalpy of vapor before entering evaporator H2 – Enthalpy of vapor after compression
In the squeeze casting method, extreme care is taken while pouring of molten metal into the die cavity.
Which of the following flows is responsible for too less pouring time of molten metal in the mould?
In vapor compression cycle having dry saturated vapor at the end of compression the work done is given by? H2 – Enthalpy of vapor after compression H1 – Enthalpy of vapor before compression
Which of the following is a discontinuity that occurs during the casting of molten metal and is caused by splashing, surging, or interrupted pouring?
In a casting process, a vertical channel through which molten metal flows downward from pouring basin to runner for reaching the mold cavity is called
A discontinuity that occurs during the casting of molten metal which may be caused by the splashing, surging, interrupted pouring is ___________