3 years ago

In almost all cases, touching power lines or coming into contact with energized sources will result in what?

Engineering

1 answer:

Fynjy0 [20]3 years ago

6 0

Answer:

electrocution

Explanation:

You will end up getting shoked because the electricity is attracted to the water in your body.

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For which of 'water' flow velocities at 200C can we assume that the flow is incompressible ? a.1000 km per hour b. 500 km per ho

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Explanation:

Given

Temperature $=200^{\circ}\approc 473 K$

Also $\gamma for air=1.4$

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Flow will be In-compressible when Mach no.<0.32

Mach no. $=\frac{V}{\sqrt{\gamma RT}}$

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Mach no. $=\frac{277.78}{\sqrt{1.4\times 287\times 473}}$

Mach no.=0.63

(b) $500 km/h\approx 138.89 m/s$

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