3 years ago

The P.A.S.S. technique on a fire extinguisher stands for

Engineering

2 answers:

arsen [322]3 years ago

5 0

Answer:

Pull, aim, squeeze, sweep

damaskus [11]3 years ago

5 0

Answer:

P.A.S.S stands for Pull Aim Squeeze Sweep

Explanation:

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Verify if 83 is a term in the arithmetic sequence 11,15,19,23

EleoNora [17]

Answer:

yes, it is

Explanation:

The sequence: (+4)

23,27,31,35,39,43,47,51,55,59,63,67,71,75,79,83

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Which Battery should be removed first to prevent short circuits?

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4 years ago

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Cause and effect

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Consider a single bacterial cell as a discrete particle with a diameter of 1x10-6m and a specific gravity of 1.01. Assuming lami

Alinara [238K]

Answer:

Sedimentation is not a good method.

Explanation:

We need to apply Stoke laws and assume that is valid here.

So,

$V_s= 418(G-1)d^2(\frac{3T+70}{100})$

Replacing the values,

$V_s= (418)(1.01-1)(10^-3)^3*(\frac{3*20+70}{100})\\V_s=5.434*10^-6mm/s$

Here then we calculate the time,

$t_{req}=\frac{x}{v}$

Where x= Distance, v= velocity

$t_{req}=\frac{1foot}{5.434*10^{-6}} = \frac{304.8}{5.434*10^{-6}}\\t_{req}=649.2days$

To calculate the surface required we need first to calculate the volume through the volume,

So,

$Q=4MGD=4*10^6*0.135 (ft^3/day)$

Then,

$V_{req} = Q*t\\V_{req}=4*10^6*0.134*649.2\\V_{req}=34.79*10^7ft^3$

Here we can calculate the surface

$S_{req}= \frac{Volume}{Distance}=\frac{34.79*10^7}{1}\\S_{req}=7987.8 Acres$

<em>So, the requeriment of Area of tank and settlement time is huge, it's not a practical method.</em>

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3 years ago