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State Pascal's law.Give the construction and working of Hydraulic brakes. |
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Answer» <P> Solution :In case (a) PRESSURE head, h = + 20 CM of HgAbsolute Pressure = P + h = 76 + 20 = 96 cm of Hg. GAUGE Pressure = h = 20 cm of Hg. In case (b) Pressure Head h = – 18 cm of Hg Absolute Pressure = 76 – 18 = 58 cm of Hg Gauge Pressure = h = – 18 cm of Hg |
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