Mechanical Engineering > GATE 2026 > Pure Substance Properties
A rigid closed vertical cylindrical vessel of 15 cm diameter contains 5 kg water at 80℃ with 10% quality. The water is heated till its temperature reaches 130℃. Considering only a horizontal separated interface between liquid and vapor, the dip in the liquid level after the heating process is ________ cm (rounded off to 2 decimal places).
Properties of water at various saturation temperatures are given in the table below.
Properties of water at various saturation temperatures are given in the table below.
| Temperature T (°C) |
Specific volume | Specific internal energy | ||
|---|---|---|---|---|
| vf (m³/kg) | vg (m³/kg) | uf (kJ/kg) | ug (kJ/kg) | |
| 80 | 0.001029 | 3.4053 | 334.97 | 2481.60 |
| 130 | 0.001070 | 0.66808 | 546.10 | 2539.50 |
Correct : 25.68
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