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3 years ago

The marking off table has a mass of 500kg.

Engineering

1 answer:

d1i1m1o1n [39]3 years ago

5 0

Answer:

0.1336

Explanation:

The formula for pressure is force exerted by the object divided by area the object covers.

The marking off table has a mass of 500 kg. You can find its weight by applying the equation;

w= m* g where w is weight , m is mass and g is acceleration due to gravity

w= 500 * 9.81

w= 4905 N

Formula for pressure is;

P= F/A

3.5 *100000 N = 4905 / A

350000 N = 4905 /A

A= 4905/350000

A= 0.0140 m²

To get the internal diameter apply the formula;

A=πr² where A is area of a cylindrical shaped object, r is radius

0.0140 = π * r²

0.0140/π = r²

0.0044608 = r²

√0.0044608 = r

0.06678 m = r ------D = 2r

0.1336 = D

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Answer:

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julia-pushkina [17]

Answer:

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Explanation:

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$\Delta P = \frac{S\cdot \rho_{w}\cdot g \cdot \Delta h}{1000}$ (Eq. 1)

Where:

$S$ - Relative density, dimensionless.

$\rho_{w}$ - Density of water, measured in kilograms per cubic meter.

$g$ - Gravitational acceleration, measured in meters per square second.

$\Delta h$ - Height difference in the U-tube manometer, measured in meters.

$\Delta P$ - Gas pressure difference, measured in kilopascals.

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$\Delta P = \frac{1.5\cdot \left(1000\,\frac{kg}{m^{3}} \right)\cdot \left(9.807\,\frac{m}{s^{2}} \right)\cdot (0.286\,m)}{1000}$

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