3 years ago

Which situation might cause potential hazards at a construction site?

Engineering

2 answers:

Airida [17]3 years ago

7 0

Answer:

steel rebar

Explanation:

if someone were to trip and fall on one they would be impaled

nata0808 [166]3 years ago

5 0

Answer:

D. protruding steel rebars .. #answerwithquality #BAL

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3 years ago

A rigid tank having 25 m3 volume initially contains air having a density of 1.25 kg/m3, then more air is supplied to the tank fr

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Answer:

$\Delta m = 102.25\,kg$

Explanation:

The mass inside the rigid tank before the high pressure stream enters is:

$m_{o} = \rho_{air}\cdot V_{tank}$

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$m_{o} = 31.25\,kg$

The final mass inside the rigid tank is:

$m_{f} = \rho \cdot V_{tank}$

$m_{f} = (5.34\,\frac{kg}{m^{3}} )\cdot (25\,m^{3})$

$m_{f}= 133.5\,kg$

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$\Delta m = m_{f}-m_{o}$

$\Delta m = 133.5\,kg-31.25\,kg$

$\Delta m = 102.25\,kg$

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3 years ago

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The velocity of a point on the edge of a disk rotating disk can be calculated as:

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