TECHNICAL DATA

PROCEDURE

$4\mathrm{.}1.$ SET UP

Position the empty tank on the hydraulic bench

Adjust the screwed feet until the base is horizontal

Ensure the drain valve is closed

$4\mathrm{.}2.$ READINGS

$4\mathrm{.}2\mathrm{.}1$ Balance the horizontal mast to be horizontally $(180).$

$4\mathrm{.}2\mathrm{.}2$ Attach a mass hanger of $50$ g to the horizontal mast, this

will take your horizontal mast off balance.

$4\mathrm{.}2\mathrm{.}3$ Add water to the reservoir box until the quadrant reaches

the balance position indicated by the level mark on the

balance arm. The quadrant now is partially submerged.

$4\mathrm{.}2\mathrm{.}4$ Read the depth of immersion from the scale on the face of

the quadrant.

$4\mathrm{.}2\mathrm{.}5$ Repeat by adding more weights to the hanger with the

increment of $50$ g $,$ each time read the depth of immersion

from the scale.

$4\mathrm{.}2\mathrm{.}6$ Continue until height of the quadrant is completely

submerged.

EXPERIMENTAL DATA

CALCULATIONS

$6\mathrm{.}1$ Calculate the hydrostatic force $($thrust$)$ exerted on the quadrant.

$6\mathrm{.}2$ Determine the experimental depth of centre of pressure.

$6\mathrm{.}3$ Determine the theoretical depth of centre of pressure.

$6\mathrm{.}4$ Comment on the variation of thrust with depth.

$6\mathrm{.}5$ Comment on the relationship between the depth of the centre of

pressure and the depth of immersion.

RESULTS

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