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Artyom0805 [142]
3 years ago
7

Estimate the endurance strength of a 1.5-in-diameter rod of AISI 1040 steel having a machined finish and heat-treated to a tensi

le strength of 110 kpsi, loaded in rotating bending.
Engineering
1 answer:
gladu [14]3 years ago
8 0

Answer:

36.0 kpsi2.

Explanation:

From the question

Sut=110 kpsi

Se’=0.5(110)=55 kpsi

For surface factor ka,

a=2.70, b= -0.265, ka=a(Sut)b=2.70(110)-0.265=0.777

Assuming the worst case for size factor kb, and since 0.11 less than or equal to d less than or equal to 2in,

Therefore:

kb=0.879d-0.107 = 0.879(1.5)-0.107=0.842

Hence, the endurance strength is Se= ka kb Se’ = 36.0 kpsi2.

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What best describes the relationship between missionaries and Native Americans?
Vlad [161]

Answer:

Missionaries taught the Native Americans to read but allowed them to keep their customs. Native Americans and missionaries fought in battles

Explanation:

sorry if this doesn't help u but i hope it does!

6 0
3 years ago
What is a thermal reservoir?
Mekhanik [1.2K]

Answer:

Explanation:

Thermal reservoir:

   It is the body which have infinite amount of heat capacity and store large amount of heat.The temperature of thermal reservoir is constant and does not change with time.The temperature of thermal reservoir is not change even heat is going out from reservoir or heat going inside the reservoir.The temperature of thermal reservoir remains constant and does not depend on the surroundings.

7 0
4 years ago
While discussing run-flat tires: Technician A says that some are self-sealing tires and are designed to quickly and permanently
musickatia [10]

Answer:

The correct option is d ( Neither A nor B)

Explanation:

Technician A made 2 mistakes in his statement.Firstly the tire is self supporting not self sealing.

Secondly, this tire does not provide permanent sealing of punctured area option a is incorrect.

This self-supporting tire after being affected with complete air leakage can temporarily bear the load of the car and avoid rolling over a distance of 80 km at a maximum speed of 55 mph. Here is what technician B suggested incorrectly as the tire after being.Here the technician B suggested incorrectly as the tire after being affected with puncture can not travel at any speed so option B is wrong

Since option a and b are incorrect and c is invalid.

4 0
3 years ago
g (b) (4 pt) Write a function unique that identifies the repeated elements of a list and returns a list with unique elements. $
Taya2010 [7]

Answer:

I am writing a Python function unique()    

def unique(list):  # function unique that takes a list as parameter

 unique_list = []  #list to store unique elements

 for elements in list:  # loop that checks every element of the list

   if elements not in unique_list:  # takes unique elements from list

     unique_list.append(elements)  

#appends unique elements  from list to unique_list

 return unique_list      #outputs unique_list elements

         

Explanation:

The unique() function takes a list as argument which is named as list.

unique_list is a new list which stores unique element from the list.

The loop moves through the elements of the list one by one.

if condition checks if the element in list is not present in the unique_list which means that element is unique to the unique_list.

If this condition is true this means that the element is not repeated and is not already present in unique_list. Then that element is included to the unique_list using append() function which appends an element into the unique_list from the list.

If you want to check if this function works you pass a list with repeated elements to this function so that it can print the unique elements as follows:

print(unique([1,2,2,2,2,3,4,4,4,4,4,5]))

Output:

[1, 2, 3, 4, 5]

The screen shot of the function along with its output is attached.

6 0
4 years ago
What is a permanent lease
Romashka [77]
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According to http://goldenruleresources.com/permanent-temporary-seasonal-leasing/
4 0
4 years ago
Read 2 more answers
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