Answer:
Employees who use hand and power tools and who are exposed to the hazards of falling, flying, abrasive and splashing objects, or exposed to harmful dusts, fumes, mists, vapors, or gases must be provided with the appropriate equipment needed, including Personal Protective Equipment, to protect them from the hazard.
Explanation:
Where's an inductor most likely to be found in a power-supply circuit?
A gaseous mixture contain 32.9 mol % He, 40.7 mol % N_{2} and 26.4 mol % Ar. Determine the composition of this mixture on a mass basis based on the molecular weight given: MW(He) = 4.003 , MW (N_{2}) = 28.02 MW(Ar) = 39.95
The composition of the mixture on a mass basis are as follows:
He = 131.70 gN2 = 1140.41 gAr = 1054.68 gnumber of moles = mass of substnce / molar mass
molar mass and molecular weight has equal numerical values therefore
Number of moles = mass of substnce / molecular weight
mass of substance = number of moles * molecular weight
the moles are expressed in percentage hence the total moles should be 100
check: 32.9 + 40.7 + 26.4 = 100
He
mass of substance = 32.9 * 4.003 = 131.6987 g
[tex]N_{2}[/tex]
mass of substance = 40.7 * 28.02 = 1140.414 g
Ar
mass of substance = 26.4 * 39.95 = 1054.68 g
List principles that are most relevant to drop jump exercise and justify your answers that selected principles you
are chosen are most relevant?
The principles referred to in the question are called biomechanical principles. Some of them are:
Principles of Force; andThe principle of impulse direction.
The principle that is most relevant to jumping is called Angular Momentum.
What is Angular Momentum?
Simply defined, this refers to the velocity of the rotation of a body around an axis or a fixed point.
Other principles of biomechanics are the principles of:
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marks)
Question 2
Distinguish between the following pairs of terms:
i. Quadrant bearing and Azimuth
5
ii. Constant error and Human error
5
iii. Referencing and Detailing
E
iv.
Accuracy and Precision
V. Bar scale and Representative fraction scale
Answer:
referencing and detailing
explain the distinction between a real address and a virtual address?
A legal document that traces the ownership of a piece of property
Answer:
A title
Explanation:
A title is a legal document that proves legal ownership over an asset or piece of property. Assets such as homes, land, other types of real estate, vehicles, and personal property such as jewelry all have titles to demonstrate ownership.
The coefficient of static friction for both wedge surfaces is μw=0.4 and that between the 27-kg concrete block and the β=20° incline is μg=0.7.
If the wedge has an angle of 5° determine the minimum value of the force P2, parallel to the fixed surface on the left, required to begin moving the block up the incline.
Assuming the wedge has an angle of 5°.The minimum value of the force P that is required to begin moving the block up the incline is: 322.84 N.
Minimum value of force PFirst step
Using this formula to find the weight of the block
W=mg
W=27×9.81
W=264.87 N
Second step
Angles of friction ∅A and ∅B
∅A=tan^-1(μA)
∅A=tan^-1(0.70)
∅A=34.99°
∅B=tan^-1(μB)
∅B=tan^-1(0.40)
∅B=21.80°
Third step
Equate the sum of forces in m-direction to 0 in order to find the reaction force at B.
∑fm=0
W sin (∅A+20°) + RB cos (∅B+∅A)=0
264.87 sin(34.99°+20°) + RB cos (21.80°+34.99°)=0
216.94+0.5477Rb=0
RB=216.94/0.5477
RB=396.09 N
Fourth step
Equate the sum of forces in x-direction to 0 in order to find force Rc.
∑fx=0
RB cos (∅B) - RC cos (∅B+ 5°)=0
396.09 cos(21.80°) - RC cos (21.80°+5°)=0
RC=396.09 cos(21.80°)/cos(26.80°)
RC=412.02 N
Last step
Equate the sum of forces in y-direction to 0 in order to find force P required to move the block up the incline.
∑fy=0
RB sin (∅B) + RC sin (∅B)-P=0
P=Rb sin (∅B) + RC sin (5°+∅B)
P=396.09 sin(21.80°) +412.02sin (5°+21.80°)
P=322.84 N
Inconclusion the minimum value of the force P that is required to begin moving the block up the incline is: 322.84 N.
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7. If you can't ignore a distraction, what should you do?
A. Take care of it at your next planned stop
B. Pull over
C. Take no more than five seconds to handle it (tune radio, answer text, etc.)
D. Both A and B
If you can't ignore a distraction, as a driver you should: D. Both A and B.
What is a distraction?A distraction can be defined as any form of event that is capable of making a driver to loose concentration or lure his or her eyes away from the road.
This ultimately implies that, a distraction can cause a driver to experience a road accident (car crash) if not properly managed or ignored.
In conclusion, if you can't ignore a distraction, as a driver you should pull over or take care of it at your next planned stop.
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The PCV valve controls which emissions?
Answer:
The PCV reduces blowby emissions from the engine.
Along with refining craft skills another way to increase the odds for career advancement is to
A. Get additional certifications
B. Work for multiple contractors
C. Become friends with management
D. Get more expertise from the Internet
The acquisition of additional certifications with a personal refined craft skills can increase the odds for career advancemen.
What is a career advancement?An advancement is achieved in a career if a professional use their skill sets, determination or perserverance to achieve new career height.
An example of a career advancement is when an employee progresses from entry-level position to management and transits from an occupation to another.
Therefore, the Option A is correct.
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A closed thermodynamic cycle consists of two isobaric and two isochoric processes. The processes operate between 0.43 MPa and 4.3 MPa and 0.28 m3 and 2.9 m3. Determine the total work (with appropriate sign) for one complete cycle, when the cycle operates in the clockwise direction. Provide your result in MJ.
Answer:
Explanation:
For first isobaric process (expansion with constant pressure):
[tex]W_{1}=P_{1}(V_{2}-V_{1})=(0.43\times 10^{6})(2.9-0.28)=1.1266 \times 10^{6} J=1.1266 MJ(+) (Expansion)[/tex]
Now, for the first isochoric: [tex]W_{2}=0[/tex], and [tex]Q_{2}=\Delta U=U_{3}-U_{2}[/tex]
For the second isobaric process (compression with constant pressure):
[tex]W_{3}=P_{2}(V_{1}-V_{2})=(4.3\times 10^{6})(0.28-2.9) =-11.266\times 10^{6}J=-11.266 MJ (Compression)[/tex]
For the last isochoric: [tex]W_{4}=0, Q_{4}=\Delta U=U_{4}-U_{3}[/tex]
So, the total work per cycle: [tex]W=W_{1}+W_{2}+W_{3}+W_{4}=1.1266+0-11.266+0=-10.1394 MJ[/tex]
code lab write a floating point literal corresponding to the value of the first 6 digits of pi
Which factor has the most significant impact in design?
a.
architectural design
b.
climate
c.
function
d.
cost
D) cost
The fund available for a project is the first factor to be considered to ensure that the project comes to reality and serve it’s purpose
Answer:
Function
Explanation:
Plato
What action control to move the rudder from one point to the other?
The action control to move the rudder from one point to the other is doen when The rudder, when turned to starboard, produce a force that is towards the port (called the rudder force).
What controls the rudder of a ship?In a vessel or ship, found in small craft, the rudder is known to be operated manually through the use of a handle that is called a tiller or helm.
In a bigger vessels, the rudder is known to be turned through the use of an hydraulic, steam, or electrical machinery. The first type of rudder was side to be a paddle or oar.
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What is txv to hvac parts and etc???
Answer:
This is for all hvac parts lol
Answer:
Units larger than a terabyte include a petabyte, exabyte, zettabyte, yottabyte and brontob
Which regulations are related to guard rail height and dimensions and uniformity of stairs?
a.
life safety
b.
fire safety
c.
structural safety
d.
health and welfare
Answer:
your answer should be C
Explanation:
bc I had the test
An evacuated tank is filled with gas from a constant pressure line. Develop an expression relating the temperature of the gas in the tank to the temperature of the gas in the line. Assume the gas is ideal with constant heat capacities, and ignore heat transfer between the gas and the tank.
The temperature of the gas in the tank is the ratio of heat capacities times the temperature of gas in the constant pressure line.
What is temperature?It should be noted that temperature simply means the measure of hotness and coldness in a body
From the given information, H is the enthalpy of gas on the constant pressure line, m is the mass flow rate and U is the internal energy of gas.
Here, the temperature of the gas in the tank is the ratio of heat capacities times the temperature of gas in the constant pressure line.
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What do we mean by “whiteness” and how does that
determine/influence our society?
Answer:
whiteness refers to white people(WHITE americans), back then white people got all the good stuff while colored people (meaning everyone who is not white) got old breaking down things. This influenced our society back then and made people think that white people are way better than colored. Which is SO NOT true, everyone is the same
What math subjects are going to be seen in Industrial Engineering?
Answer:
Industrial Engineers study various types of math including calculus, numerical analysis, statistics, linear algebra, numerical methods, operations research, etc. We do not necessarily use these in our day-to-day activities, but they help to build an analytical mindset that many employers value.
You are surely going to have commercial subjects , honestly when doing engineering every type of math is taught.
Which of the following elements would make a good insulator?
a. Silver
b. Silicon
C. Glass
d. Both a and b.
Answer:
Glass
Explanation:
Please mark me the brilliant
Design an algorithm for computing √n
for any positive integer n. Besides
assignment and comparison, your algorithm may only use the four basic
arithmetical operations.
A farmer has 12 hectares of land on which he grows corn, wheat, and soybeans. It costs $4500 per hectare to grow corn, $6000 to grow wheat, and $5000 to grow soybeans. Because of market demand the farmer will grow twice as many hectares of wheat as corn. He has allocated $6,375,000.00 for the cost of growing his crops. How many hectares of each crop should he plant?
The number of hectares of each crop he should plant are; 250 hectares of Corn, 500 hectares of Wheat and 450 hectares of soybeans
How to solve algebra word problem?
He grows corn, wheat and soya beans on the farm of 1200 hectares. Thus;
C + W + S = 12 ----(1)
It costs $45 per hectare to grow corn, $60 to grow wheat, and $50 to grow soybeans. Thus;
45C + 60W + 50S = 63750 -----(2)
He will grow twice as many hectares of wheat as corn. Thus;
W = 2C ------(3)
Put 2C for W in eq 1 and eq 2 to get;
C + 2C + S = 1200
3C + S = 1200 -----(4)
45C + 60(2C) + 50S = 63750
45C + 120C + 50S = 63750
165C + 50S = 63750 ------(5)
Solving eq 4 and 5 simultaneosly gives;
C = 250 and W = 500
Thus; S = 1200 - 3(250)
S = 450
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Joe is a chemical engineer whose plant discharges heavy metals into the local river. By the test authorized by the city government, the amount of heavy metals is under the legal limit imposed by the city. By a new and more accurate test, the discharge is above the legal limit, that is, the discharge is in violation of environmental rules. Joe argues with his manager that the plant should reduce its discharges to comply with the newer and more accurate test.
The case contains a conceptual issue insofar as:
A.the issue is whether present emission rates constitute a violation of city regulations.
B.the issue is what is meant by “violation.”
C.the issue is how Joe should balance his obligations to his employer against his obligations to city residents.
D.the issue is whether the heavy metals presently emitted by the plant pose a threat to the health of the community.
Answer:
B probably
Explanation:
Because the prompt doesn't specify what sort of violation it could be anything maybe when they release the metals during the day and so on.
what is the temperature difference maintained between the air temperature and the wire in a hot wire sensor?
Answer:
A temperature sensor is installed upstream of the hot wire. The hot wire is then heated to a temperature higher than the air temperature determined by the temperature sensor. As the hot wire is cooled by the incoming air, the heating current must be increased to maintain a constant wire temperature.
Explanation:
An operator is working at an open site that has other loud machinery being operated up to 18 hours a day. What type of hazard might the operator be exposed to?
Select the best option.
Extreme Temperature
Radiation
Vibration
Noise
There are lots of hazard. The type of hazard that the operator will be exposed to is noise.
What is noise hazard?Noise is known to be a very popular form of physical hazards that is said to be present in all occupation.
This noise hazard is often based on its frequency, amplitude (volume) and term of exposure such as long or short term, It is said that one should wear hearing protection as long exposure to noise can lead to temporary or permanent loss of hearing.
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eering job role to its description.
project engineer
planning engineer
chief engineer
field engineer
office engineer
heads the engineering department and
ensures that it operates smoothly
performs administrative work to ensure
projects comply with engineering codes
and standards
I rights reserved
Answer:
Dear if possible can you post the complete question
I would be grateful to help you
5. Tech A says that shock absorbers can be tested with a "bounce test." Tech says than
is industry standard to replace an individual faulty shock absorber. Who is correct?
d. Tech A
b. Tech 8
8. Both A and B
d. Neither Anor B
Answer:
I know A is correct but not so sure about B, like I don't know if B is correct or wrong
Which of these items is least likely to cause an exhaust emission test failure as of a result of excessive nox emissions? a) poorflow through the egr system. b) spark plug hot range. c) defective fuel injector d) defective oxygen senor
The item that is least likely to cause an exhaust emission test failure as of a result of excessive nox emissions is; poorflow through the egr system.
What is an exhaust emission?Exhaust emissions simply means substances emitted into the atmosphere from the exhaust discharge nozzle of an aircraft or aircraft engine.
Now, when the test fails as a result of excessive nox emissions, we can say that high NOx emissions can occur when an engine's air-fuel mixture is too lean. Thus, we can conclude that the reason for exhaust emission test failure as of a result of excessive nox emissions is due to poorflow through the egr system.
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52 M ta 10 2-22 2-а. for C calculate the current passing through the 4ohm resistor using thevenin's theorem.
Explanation:
a stationer sell 8 pencil for the cost price of 10 ,find his gain percent
A 750-m section of river runs parallel to a channel 1,000 m away. an aquifer connecting the two has hydraulic conductivity equal to 7. 0 m/day and an average thickness of 10 m. the surface of the river is 5. 0 m higher than the surface of the channel. estimate the rate of seepage (qseepage) from the river to the channel
Given a 750 m section with distance of 1000m , The calculated rate of seepage from the river to the channel has been calculated to be 262.5 m³/day.
What is the rate of seepage?
This is the calculated rate that shows how water is infiltrated downward into the soil.
The formula is given as
[tex]Q = KA \frac{dh}{dl}[/tex]
A = Area = 750*10 = 7500m
dh = h₂-h₁
= 10 - 5 = 5m
dl = 1000m
[tex]Q = 7*7500*\frac{5}{1000}[/tex]
= 262.5m³
The rate of seepage from the calculation above is 262.5m³.
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