A homogeneous circular gate AB (with a diameter of 1 m, inclined 30° from horizontal) hinged at A, automatically opens at a depth of 3 m as a result of the buoyancy offered by a connected cylindrical buoy (weight of buoy = 409.51N). The buoy has a diameter of 1 m and a submerged depth of 2 m. lc = (pi)r¹/4 (specific weight of water = 9810 N/m³).

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A homogeneous circular gate AB (with a diameter of 1 m, inclined 30° from horizontal)
hinged at A, automatically opens at a depth of 3 m as a result of the buoyancy offered by a
connected cylindrical buoy (weight of buoy = 409.51N). The buoy has a diameter of 1 m
and a submerged depth of 2 m. lc = (pi)r¹/4 (specific weight of water = 9810 N/m³).
The tension in the cable in Newtons is:
1m
a.7,295
b.15,409
c.15,000
d.15,819
The hydrostatic pressure force acting on the
gate in Newtons is:
a.3,852
b.26,978
c.19,262
water
d.21,188
B
W
A mercury-water (Shg=13.6) U-tube manometer has a gage difference of 500 mm. The
difference in pressure in meters of water is:
a. 6.3
b.6.8
c.0.5
d.7.3
3m
buoy
1m
2m
30
A
Circular gate
Transcribed Image Text:A homogeneous circular gate AB (with a diameter of 1 m, inclined 30° from horizontal) hinged at A, automatically opens at a depth of 3 m as a result of the buoyancy offered by a connected cylindrical buoy (weight of buoy = 409.51N). The buoy has a diameter of 1 m and a submerged depth of 2 m. lc = (pi)r¹/4 (specific weight of water = 9810 N/m³). The tension in the cable in Newtons is: 1m a.7,295 b.15,409 c.15,000 d.15,819 The hydrostatic pressure force acting on the gate in Newtons is: a.3,852 b.26,978 c.19,262 water d.21,188 B W A mercury-water (Shg=13.6) U-tube manometer has a gage difference of 500 mm. The difference in pressure in meters of water is: a. 6.3 b.6.8 c.0.5 d.7.3 3m buoy 1m 2m 30 A Circular gate
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