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____ [38]
3 years ago
15

The diesel exhaust fluid is injected​ ________.

Engineering
2 answers:
Maurinko [17]3 years ago
6 0

Explanation:

The diesel exhaust fluid is injected c just in front of the muffler.

tiny-mole [99]3 years ago
5 0

Answer:

C

Explanation:

The diesel exhaust fluid is injected​ just in front of the muffler.

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The fracture strength of glass may be increased by etching away a thin surface layer. It is believed that the etching may alter
Korvikt [17]

Answer:

the ratio of the etched to the original crack tip radius is 30.24

Explanation:

Given the data in the question;

we determine the initial fracture stress using the following expression;

(σf)₁ = 2(σ₀)₁ [ α₁/(p_t)₁ ]^{1/2 ----- let this be equation 1

where; (σ₀)₁ is the initial fracture strength

(p_t)₁ is the original crack tip radius

α₁ is the original crack length.

first, we determine the final crack length;

α₂ = α₁ - 16% of α₁

α₂ = α₁ - ( 0.16 × α₁)

α₂ = α₁ - 0.16α₁

α₂ = 0.84α₁

next, we calculate the final fracture stress;

the fracture strength is increased by a factor of 6;

(σ₀)₂ = 6( σ₀ )₁

Now, expression for the final fracture stress

(σf)₂ = 2(σ₀)₂ [ α₂/(p_t)₂ ]^{1/2 ------- let this be equation 2

where (p_t)₂ is the etched crack tip radius

value of fracture stress of glass is constant

Now, we substitute 2(σ₀)₁ [ α₁/(p_t)₁ ]^{1/2 from equation for (σf)₂  in equation 2.

0.84α₁ for α₂.

6( σ₀ )₁ for (σ₀)₂.

∴

2(σ₀)₁ [ α₁/(p_t)₁ ]^{1/2  = 2(6( σ₀ )₁) [ 0.84α₁/(p_t)₂ ]^{1/2  

divide both sides by 2(σ₀)₁

[ α₁/(p_t)₁ ]^{1/2  =  6 [ 0.84α₁/(p_t)₂ ]^{1/2

[ 1/(p_t)₁ ]^{1/2  =  6 [ 0.84/(p_t)₂ ]^{1/2

[ 1/(p_t)₁ ]  =  36 [ 0.84/(p_t)₂ ]

1 / (p_t)₁ = 30.24 / (p_t)₂

(p_t)₂ = 30.24(p_t)₁

(p_t)₂/(p_t)₁ = 30.24

Therefore, the ratio of the etched to the original crack tip radius is 30.24

6 0
3 years ago
A student engineer is given a summer job to find the drag force on a new unmaned aerial vehicle that travels at a cruising speed
yan [13]

Answer:

b. 1232.08 km/hr

c. 1.02 kn

Explanation:

a) For dynamic similar conditions, the non-dimensional terms R/ρ V2 L2 and ρVL/ μ should be same for both prototype and its model. For these non-dimensional terms , R is drag force, V is velocity in m/s, μ is dynamic viscosity, ρ is density and L is length parameter.

See attachment for the remaining.

3 0
3 years ago
Technician A says that rear-wheel drive vehicles usually get better traction than front-wheel drive vehicles. Technician B says
Alex Ar [27]
Both a and b

Disclaimer! (90% sure)
6 0
2 years ago
What is the most important part of a successful Election Day?
wlad13 [49]

Answer: voting of course

Explanation:

8 0
2 years ago
Read 2 more answers
The top 3 most popular male names of 2017 are Oliver, Declan, and Henry according to babynames. Write a program that modifies th
Flura [38]

Answer:

The code is given below in Python with appropriate comments

Explanation:

# convert list to set

male_names = set(['Oliver','Declan','Henry'])

# get remove and add name from user

remove_name = input("Enter remove name: ")

add_name = input("Enter add name: ")

# remove name from set

male_names.remove(remove_name)

# add new name ij set

male_names.add(add_name)

# sort the set

a = sorted(male_names)

# print the set

print(a)

7 0
2 years ago
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