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Inga [223]
2 years ago
7

A video inspection snake is use

Engineering
1 answer:
LekaFEV [45]2 years ago
5 0

Answer:

very good thx

Explanation:

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A negative pressure respirator brings fresh air to you through a hose<br>A) True<br>B)False​
madreJ [45]

Answer:FALSE

Explanation: A negative pressure respirator is a respiratory system which is known to have a low air pressure inside the mask when compared to the air pressure on the outside during Inhalation.

Most of the personal protective equipment (PPE) which are in use in various industries are examples of Negative pressure respirator device,any leak or damage done to the device will allow the inflows of harmful and toxic Air into the person's respiratory system. AIR SUPPLY SYSTEMS ARE KNOWN TO SUPPLY FRESH UNCONTAMINATED AIR THROUGH AIR STORED INSIDE COMPRESSED CYLINDERS OR OTHER SOURCES AVAILABLE.

8 0
3 years ago
Read 2 more answers
A particle is emitted from a smoke stack with diameter of 0.05 mm. In order to determine how far downstream it travels it is imp
Nikolay [14]

Answer: downward velocity = 6.9×10^-4 cm/s

Explanation: Given that the

Diameter of the smoke = 0.05 mm = 0.05/1000 m = 5 × 10^-5 m

Where radius r = 2.5 × 10^-5 m

Density = 1200 kg/m^3

Area of a sphere = 4πr^2

A = 4 × π× (2.5 × 10^-5)^2

A = 7.8 × 10^-9 m^2

Volume V = 4/3πr^3

V = 4/3 × π × (2.5 × 10^-5)^3

V = 6.5 × 10^-14 m^3

Since density = mass/ volume

Make mass the subject of formula

Mass = density × volume

Mass = 1200 × 6.5 × 10^-14

Mass M = 7.9 × 10^-11 kg

Using the formula

V = sqrt( 2Mg/ pCA)

Where

g = 9.81 m/s^2

M = mass = 7.9 × 10^-11 kg

p = density = 1200 kg/m3

C = drag coefficient = 24

A = area = 7.8 × 10^-9m^2

V = terminal velocity

Substitute all the parameters into the formula

V = sqrt[( 2 × 7.9×10^-11 × 9.8)/(1200 × 24 × 7.8×10^-9)]

V = sqrt[ 1.54 × 10^-9/2.25×10-4]

V = 6.9×10^-6 m/s

V = 6.9 × 10^-4 cm/s

6 0
3 years ago
Which option identifies the next step Kristin should take to test the design in the following scenario?
Nadusha1986 [10]
The 2d sketch should be right
4 0
3 years ago
What kind of abilities are needed to run a business
nordsb [41]

Answer:

Essential business skills:

1. Financial management. Being able to effectively manage your finances is critical. ...

2. Marketing, sales and customer service. ...

3. Communication and negotiation. ...

4. Leadership. ...

5. Project management and planning. ...

6. Delegation and time management. ...

7. Problem solving. ...

8. Networking.

8 0
2 years ago
5. Create a short poem or haiku (a poem with 5 syllables in the first line, 7 syllables in the
Zanzabum

Answer:

I should write a poem,

a poem about problem,

that i'm now trying to solve,

I dont know what to involve

Explanation:

Its not haiku, cause I am not natural Englishman and I didnt want to risk any mistakes or so. It shows the problem of writing a poem about a problem. btw Im not kidding if u thought so

6 0
3 years ago
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