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DerKrebs [107]
2 years ago
9

If fog is so bad that I can’t see for short distance what should I do

Engineering
2 answers:
Delvig [45]2 years ago
6 0
It depends what you’re doing...if you’re driving then definitely take things slower and don’t speed. If you’re walking or something then be careful for vehicles and other objects of course.
Annette [7]2 years ago
4 0
Not get in the fog ??
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A 4140 steel shaft, heat-treated to a minimum yield strength of 100 ksi, has a diameter of 1 7/16 in. The shaft rotates at 600 r
velikii [3]
Answer:










Explanation:



4140-40 I’d pick wood




I hope this helps! :)
4 0
3 years ago
Read 2 more answers
Advantages, disadvantages and applications of dsb-sc​
allochka39001 [22]

Answer:

<h3>advantages: </h3>

<em>lower power consumption, modulation system is simple</em>

<h3>disadvantages<em>:</em></h3>

<em>complex detection</em>

<h3><em>applications:</em></h3>

analog TV systems: to transmit color information

<h3><em /></h3>

<em />

<em />

<em />

<em />

Explanation:

3 0
3 years ago
A liquid stream containing 52.0 mole% benzene and the balance toluene at 20.0°C is fed to a continuous single-stage evaporator a
OLga [1]

Answer:

Operating Pressure P = 793.716 mmHg

Y_Benzene y1 = 0.541

Explanation:

Given that;

liquid phase leaving the evaporator = 32.5 mole%

Equi Temp T = 99.0°C = 99 + 273.15 = 372.15 K

Now let 1 and 2 represent Benzene and Toluene respectively.

Antoine's Constant for these components are;

COMPONENETS        A                B                    C

Benzene 1             4.72583     1660.652        -1.461

Toluene  2            4.07827     1343.943         -53.773

Antoine's equation is expressed as;

Ps = 10^(A - (B/(T+C)))

Ps is in Bar and T is in Kelvin

so

P1s = 10^( 4.72583 - (1660.652/(372.15 - (-1.461)))) = 1.7617 Bar

P2s = 10^( 4.07827 - (1343.943/(372.15 - (-53.773)))) = 0.7195 Bar

now here, liquid leaving and vapor are both in equilibrium

composition of liquid leaving are;

X1 = 32.5%    = 0.325

X2 = 1 - X1 = 1 - 0.325 = 0.675

Now

Raoult's Law is expressed as;

p × y1=x1 × pis     for all components

So for Benzene ; p × y1=x1 × p1s   ------let this be equation 1

for Toluene ; p × y2=x2 × p2s   ------let this be equation 2

lets add equ 1 and 2

p × y1=x1 × p1s + p × y2=x2 × p2s

p(y1 + y2) = x1 × p1s + x2 × p2s

buy y1 + y2 = 1

therefore we substitute

p(1) = 0.325 × 1.7617 + 0.675 × 0.7195 = 1.0582 Bar

we know that 1 Bar = 750.062 mmHg

so p = 1.0582 × 750.062

p = 793.716 mmHg

Also from equation 1

p × y1=x1 × p1s

y1 = (x1 × p1s) / p

y1 = (0.325 × 1.7617) / 1.0582

y1 = 0.541

Therefore;

Operating Pressure P = 793.716 mmHg

Y_Benzene y1 = 0.541

5 0
2 years ago
Consider a pond that initially contains 10 million gallons of fresh water. Water containing a chemical pollutant flows into the
Ostrovityanka [42]

Answer / Explanation:

To solve this , we start by recalling the conversion principle:

Thus,  dc/dt = Rate of C in - Rate of C out,

Therefore, for the number of chemical C(t) , i gram, in the pond at time (t), the rate of flow of C is modeled as:

Rate of Cin = Cin F,

Where Cin is the concentration of the chemical going in ( in this  case, Cin = 2 grams per gallon), and F is the rate of flow of water  into the pond (in this case, F = 5 million gallons per year). We  then have that

          Rate of C in = 10 million grams per year

Therefore the rate of Cout = c(t)F, where  c(t) = C(t) / V is the concentration of the chemical in the pond ( here, we are  assuming instant mixing). The volume, (V)  of the water in the  pond is 10 million gallons (we are assuming that the rate of flow  of water into the pond is the same as the rate of flow out, so that  the volume of water in the pond remains constant). Thus,

           Rate of C  out = 1/2 C(t) million grams per year.

Thus, the differential equation describing the evolution of C =

C(t) in time is: dc/dt = 10 - C/2 in millions of grams per year.

Now to plot the solution using Maple and to describe in words the effect of the variation in the incoming chemical,

we have: C(t) = 20 +ce ∧ -t/2, where c is an arbitrary constant since there was no chemical in the pond initially.

Therefore, C(t) = 0 , then C = -20

So that Q(t) = 20 ( 1 - e ∧ -t/2)

Kindly find the expression of the above statement C = C(t) below:

Note: In the diagram, Q is represented by C

Therefore, C = Q

7 0
3 years ago
Read 2 more answers
Question 5<br> 1 pts<br> Lumber which has been put through a planer is known as surfaced or<br> ]
Naddik [55]

Answer:

what does that mean welp I have no idea sorry for answering

8 0
3 years ago
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