It is true that there are some sections of the SDS that are not mandatory. The correct option is A.
What is SDS?A Safety Data Sheet (formerly known as a Material Safety Data Sheet) is a detailed informational document prepared by a hazardous chemical's manufacturer or importer. It describes the product's physical and chemical properties.
Because this information is regulated by other agencies, OSHA will not enforce Sections 12 through 15 (29 CFR 1910.1200(g)(2)). Employers must make SDSs readily available to employees.
Thus, the correct option is A, means the given statement is true.
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7
Electrotechnology is important to aerospace engineering for what key reason?
(Hurry) A computer software engineer needs to create a computer system. The computer system will help the staff of a retail store manage inventory. Write a description of the process the computer software engineer will go through to design and create the computer system.
The process the computer software engineer will go through to design and create the computer system are:
Initialize design definitionSet up design characteristicsAssess other forms of alternatives for obtaining system elementsLastly, Manage the design.How do one Initialize design definition?In this process, one need to plan for as well as be able to know the technologies that will be made up of and implement the systems elements as well as their physical interfaces and others.
Therefore, The process the computer software engineer will go through to design and create the computer system are:
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What type of energy transfers could occur in Biosphere 2?
Answer:
Biosphere 2 is a 3.15-acre (12,700 m2) structure originally built to be an artificial, materially-closed ecological system in Oracle, Arizona (USA) by Space Biosphere Ventures, a joint venture whose principal officers were John P. Allen, inventor and Executive Director, and Margret Augustine, CEO.
Explanation:
A motor and pulley system is used to lift a 30 kg mass 20 m vertically in no more than 10 s. If the efficiency of the motor is 0.98, the minimum input power is ____ W.
The power input is obtained as 6000 W
What is the power input?
We know that the power is defined as the rate of doing work. The rate has to do with the timed rate thus if we divide the work done by the time taken to do the work, that is how we obtain the the power that is expended.
Now;
We have the work done as = 30 kg * 9.8 m/s^2 * 20 m = 5880 J
Energy expended = 5880 J/ 10 s = 588 W
We know that the efficiency is obtained from;
E = Power output/ Power input * 100/1
0.98 = 588 W/ Power input * 100/1
0.98 = 58800/Power input
Power input = 58800/0.98
Power input =6000 W
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The domain of genetic engineering
Which of the following would promote the isostatic adjustment of the crust resulting in the uplift of some mountains and possibly the formation of new fault lines?
Weight is a factor that would be known to promote the isostatic adjustment of the crust resulting in the uplift of some mountains and possibly the formation of new fault lines.
What is meant by isostatic adjustment?This is the term that is used in geography to refer to the ongoing movement of land that once used to be covered by the ice age glaciers.
The isostatic adjustment is known to be the function of the amount of weight that is on the surface of the earth. Now when the weight is less, the crust of the earth would have to rise the more but when it is more, the crust would start to sink.
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What are primary reasons for being trained on cleaning, storage, and maintenance of tools and equipment?
O Work safer
O Save money on tools
O Work more efficiently
O All of the above
2. Convert 786.3 m to km.
3. Convert 40 km/hr to mph.
Answer:
2. 0.7863 km
3. 24.855 mph
Explanation:
2. [tex]786.3m*\frac{1km}{1000m}=0.7863km[/tex]
3. [tex]\frac{40km}{hr}*\frac{1000m}{1km}*\frac{100cm}{1m}*\frac{1in}{2.54cm}*\frac{1ft}{12in}*\frac{1mi}{5280ft}=24.855mph[/tex]
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17. You can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension.
A) O True
B) False
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You can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension is a true statement.
What are frame engaging lift adapters?Frame engaging adapters are known to be a kind of tools that are often used for lifting vehicles for examples pickup trucks that are known to have frames.
Note that Frame form of engaging lift adapters is one that a person can put anywhere that is under the vehicle's underbody as there is no need to consult the vehicle manufacturer's manual.
Therefore, based on the above, one can say that a person can place frame-engaging lift adapters anywhere under the vehicle's body, frame, or suspension as a true statement.
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Which hazard control class is used along with other controls to protect workers as much as possible from hazards that cannot be eliminated? A. Personal Hygiene B. Engineering Controls C. Administrative Controls D. Personal Protective Equipment
The hazard control class which is used along with other controls to protect workers as much as possible from hazards that cannot be eliminated is the Administrative Controls. Thus, the correct option for this question is C.
What are the other classes of hazard control?The other classes of hazard control are as follows:
Elimination control.Substitution control.Engineering Controls.Administrative Controls.The elimination control physically eliminates the hazard. While substitution control replaces the hazard from one form to another. But the administrative control alters the way through which people work along with other controls.
Therefore, administrative control is hazard control which is significantly utilized along with other controls to protect workers as much as possible from hazards that cannot be eliminated. Thus, the correct option for this question is C.
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Juan wants to jump in and clarify when he occasionally hears statements about Stone Age humans, such as they “discovered fire” or “found tools.” He thinks comments like these are oversimplified. What is the MOST likely reason Juan feels the comments are oversimplified?
A.
Fire is a natural element, but tools definitely are not.
B.
Culture then was so basic that these discoveries were revolutionary.
C.
Any true discovery marks an important milestone in human history.
D.
They did not discover or find, they applied natural elements to their use.
Juan feels the comments are oversimplified as culture then was so basic that these discoveries were revolutionary. The correct option is B.
What is stone age?The Stone Age was a prehistoric period when stone was widely used to make tools with an edge, a point, or a percussion surface.
The period lasted approximately 3.4 million years and ended between 4,000 and 2,000 BCE, with the introduction of metalworking.
They also lit fires with stones. The earliest known human tools are these stone tools.
Juan believes the comments are oversimplified because culture was so primitive at the time that these discoveries were revolutionary.
Thus, the correct option is B.
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A good scientific question
is specifically focused and tries to answer something unknown.
is generally focused and tries to answer a gap in knowledge.
always has a gap in knowledge.
always leads to a hypothesis.
Answer:
is generally focused and tries to answer a gap in knowledge
Explanation:
just took test review
is it necessary to check on the condition of your tools.
Answer:
yes because then you know wether or not to start prparing for your next tools that you need to get
alice thought of a number, added 9, divided by 3, subtracted 2, and multiplied by 4 to give an answer of 8. what was her starting number
Answer:
3
Explanation:
3+9=12
12÷3=4
4-2=2
2×4=8
The starting number was 3 which Alice thought of as a number, added 9, divided by 3, subtracted 2, and multiplied by 4 to give an answer of 8.
What is the number system?A number system is defined as a way to represent numbers on the number line using a set of symbols and approaches. These symbols, which are known as digits, are numbered 0 through 9.
Let the starting number would be x
As per the given question,
She did was 4[(x+9)/3 - 2] = 8 which is an equation that we can solve for x,
⇒ 4[(x+9)/3 - 2] = 8
⇒ [(x+9)/3 - 2] = 8/4
⇒ (x+9)/3 - 2 = 2
⇒ (x+9)/3 = 2 + 2
⇒ (x+9)/3 = 4
⇒ (x+9) = 12
⇒ x = 12 - 9
⇒ x = 3
Therefore, the starting number was 3.
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is a timing belts more like a belt and pulley or chain and sprocket
Answer:
A timing belt is more like a sprocket and chain system because they have teeth that engage with notches in the pulleys on the crank and camshaft.
Explanation:
A(n) _____ surface in an orthographic view shows the actual surface with
its depth contracted.
A Right View surface in an orthographic view shows the actual surface with its depth contracted.
What does an orthographic view imply?The term is seen as a form of a projection of a single view of an object (such a frontal view) onto a drawing surface with the projection lines parallel to the drawing surface.
Note therefore that drawing a 3D object from various angles is called orthographic projection. In order for someone viewing the drawing to be able to see all the key sides, often a front, side, as well as the plan view are sketched.
Therefore, A Right View surface in an orthographic view shows the actual surface with its depth contracted.
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