Which statement about the seal between the respirator and the wearer's face is true?
POSSIBLE ANSWERS:
Negative pressure respirators prevent ambient air from entering the mask.
Cosmetic surgery can be completed without a re-evaluation of respirator fit.
Positive pressure respirators tighten the face mask when the wearer inhales.
Facial hair can prevent a respirator from properly sealing to the wearer’s face.

Answers

Answer 1

A true statement about the seal between the respirator and the wearer's face is: D. facial hair can prevent a respirator from properly sealing to the wearer’s face.

What is a respirator?

A respirator can be defined as a personal protective equipment that is typically worn over the face to protect the mouth and nose, while protecting the wearer from inhaling smoke, dust, or other toxic chemical substances.

In this context, a true statement about the seal between the respirator and the wearer's face is that facial hair has the ability to prevent a respirator from properly sealing to the wearer’s face.

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Related Questions

Select three types of variables scientists use in experiments.

control
dependent
evaluative
functional
independent
analytical

Answers

Evaluative, functional. Analytical (sorry if this us wrong)

Answer:

dependent    functional     analytical

Explanation:

2. Why is pitch important to passenger comfort?​

Answers

One of the most important factors influencing aircraft seating comfort in economy class, is legroom. In an airline interior mock up, with the ability to adjust the seat pitch in a range of 28 inches to 43 inches, a study to investigate the influence of seat pitch on passengers’ well-being was conducted.

What is manufacturing machining ?

Answers

Machining is a process in which a metal is cut into a desired final shape and size by a controlled material-removal process. Machining is a part of the manufacture of many metal products, but it can also be used on materials such as wood, plastic, ceramic, and composites.

Answer:

Machining is a process in which a metal is cut into a desired final shape and size by a controlled material-removal

Do not hoist employees if weather conditions are bad

Answers

Yeah I think but I hope this helps
Shutup give me points

Define the term 'Computer​

Answers

Answer:

An electronic devices for storing and processing data, typically and binary form according to the instructions given.

Computer's “brain” is the (CPU), often known as the processor. When your computer runs programs or applications, the CPU handles all the complex algorithms and programming.

What best define about term Computer?

A computer is a device that processes data that has been digitally altered in accordance with a set of guidelines laid out in a program, piece of software, or set of instructions.

In businesses, computers are typically used to run projects, check inventory levels, manage and maintain accounts and personal data, and generate presentations. In addition, computers are more accurate and speedier than people, making them better suited for transaction processing.

Therefore, An electronic device that stores and processes data, typically in binary form and in accordance with commands.

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Please help ASAP!! I’m taking the test right now!!!

Ronny wants to produce a metal sheet through which a shaft can pass. Which process will he use?

A) grinding
B) reaming
C) turning
D) milling
E) chipping

Answers

Answer:

B) reaming | yes it is B) reaming



Ronny wants to produce a metal sheet through which a shaft can pass. Which process will he use?


B) reaming

Can we live without software?

Answers

No, because you are using it right now.

Yes, because software is not the most improtant thing in our life.

What type of system is used by a steam engine?
A steam engine uses fuel to heat water into steam which drives a turbine, thus converting heat into mechanical energy. The steam engine is a type of ______
system.

Answers

Answer:

Steampunk Mechanical

Explanation:

Your welcome

Outline the course of study Brent might follow in high school if he is interested in earning an engineering degree in college.

Answers

Answer:

Science, Technology, Engineering and Mathematics courses

Explanation:

The background and foundational prerequisite and knowledge required to traverse through college education is being acquired at high school. Most of the what is going to be needed based on one's aspiring career or course of choice would have been introduced to students. This is why it is important to prepare ahead in other to keep focus.

For the pursuit of an engineering degree in college, this falls under the Science, Technology, Engineering and Mathematics curriculum. Hence, courses relating to science, technology and engineering and mathematics curriculum.

design process 8 steps with definition​

Answers

Answer:

Step 1: Define the Problem.  

Step 2: Do Background Research. .

Step 3: Specify Requirements. .

Step 4: Brainstorm, Evaluate and Choose Solution.  

Step 5: Develop and Prototype Solution.  

Step 6: Test Solution.

Step 7: Does Your Solution Meet the Requirements?  

Step 8: Communicate Results.

can u tell me the definition tho?

palled correctly as “though” which is an alternate form of “although”) at the end is informal usage. It's better placed before “she seems better today

In manufacturing a particular set of motor shafts, only shaft diameters of between 38.20 and 37.50 mm are usable. If the process mean is found to be 37.80 mm with a standard deviation of 0.20 mm, what percentage of the population of manufactured shafts are usable?

Answers

Answer:

we can conclude that  91.04% population of shafts are usable

Explanation:

Given that;

X[tex]_{min}[/tex] = 37.50 mm

X[tex]_{max}[/tex] = 38.20 mm

mean μ = 37.80

standard deviation σ = 0.20 mm

This problem is based on normal probability distribution so, to get the probability, we must calculate; z = x-μ / σ

so;

Z[tex]_{min}[/tex] = (X[tex]_{min}[/tex] - μ) / μ = (37.50 - 37.80) / 0.20 =  -1.5

Z[tex]_{max}[/tex] = (X[tex]_{max}[/tex] - μ) / μ = (38.20 - 37.80) / 0.20 =  2

Hence;

P( 37.50 < X < 38.20 ) = P( -1.5 < Z < 2 )

P( 37.50 < X < 38.20 ) = P( 0 < Z < 1.5 ) + P( 0 < Z < 2 )

from the standard normal table table;

P( 37.50 < X < 38.20 ) = 0.4332 + 0.4772

P( 37.50 < X < 38.20 ) = 0.9104 = 91.40%

Hence, we can conclude that  91.04% population of shafts are usable

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