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3 years ago

Hey seggsy engineering ppl help me pick out a class ring

Engineering

2 answers:

aliina [53]3 years ago

7 0

Answer:

I Luv de 2nd one with the silver an black it's out cold no cap

Explanation:

:3 thx 4 de free po..ints luv<3 if ya wanna talk just hit meh up

-ItzyogurlllllllllLexiiiii<3

aalyn [17]3 years ago

4 0

Answer:

red pietersite

Explanation:

the stone is very pretty by itself and the black will make the color pop so it wont look plain, red and black is always a good combo

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2. The moist weight of 0.1 ft3 of soil is 12.2 lb. If the moisture content is 12% and the specific gravity of soil solids is 2.7

adell [148]

The answers to dry unit weight, void ratio, porosity, degree of saturation, volume occupied by water are respectively;

γ_d = 108.93 lb/ft³; e = 0.56; n = 0.36; S = 0.58; V_w = 0.021 ft³

<h3>Calculation of Volume and Weight of soil</h3>

We are given;

Moist weight; W = 12.2 lb

Volume of moist soil; V = 0.1 ft³

moisture content; w = 12% = 0.12

Specific gravity of soil solids; G_s = 2.72

A) Formula for dry unit weight is;

γ_d = γ/(1 + w)

where γ_w is moist unit weight as;

γ_w = W/V

γ_w = 122/0.1 = 122 lb/ft³

Thus;

γ_d = 122/(1 + 0.12)

γ_d = 108.93 lb/ft³

B) Formula for void ratio is;

e = [(G_s * γ_w)/γ_d] - 1

e = [(2.72 * 122)/108.93] - 1

e = 0.56

C) Formula for porosity is;

n = e/(1 + e)

n = 0.56/(1 + 0.56)

n = 0.36

D) Formula for degree of saturation is;

S = (w * G_s)/e

S = (0.12 * 2.72)/0.56

S = 0.58

E) Volume occupied by water is gotten from;

V_w = S*V_v

where;

V_v is volume of voids = nV

V_v = 0.36*0.1

V_v = 0.036 ft³

Thus;

V_w = 0.58 * 0.036

V_w = 0.021 ft³

Read more about Specific Gravity of Soil at; brainly.com/question/14932758

4 0

3 years ago

Sum of Numbers Design a function that accepts an integer argument and returns the sum of all the integers from 1 up to the numbe

cestrela7 [59]

Answer:

# define main to get an argument from the user, call the function, and display the final values

def main():

# ask an argument from the user.

number = int(input('Enter a positive integer: '))

# solve the integral thing of the number by putting the user's argument in the addition() function

finalSum = addition(number)

# display the final value integral thing

print("The integral of this number is ", finalSum, ".")

# define an addition function to find the integral

def addition(num):

# make an if-statement to test filter things out of your calculations. In this case, 1.

if num == 1:

#if 1, return 1. because 1 + (1 - 1) = 1

return 1

# this is where the recursion actually is. This is the part that calculates

else:

return num + addition(num-1)

# call your main function

main()

Explanation:

This is written in Python. A link to the output can be found below.

https://Sum-of-Numbers.hufflepuffler07.repl.run

4 0

3 years ago

Select four geometric shapes that are commonly used by engineers in their designs.

stealth61 [152]

Answer:

Arc ,sphere ,line ,prism

Explanation:

Arc is used for semicircular or short term projects
Sphere is used for design of spherical surfaces or projects
Prism is used for creating buliding designs
Lines are especially used for creating roads, flyover design

3 0

2 years ago

Please help due today

aksik [14]

Performs math operations = calculator
view planets, stars, and objects in space = telescope / measure the length of a piece of paper = ruler / study a petri dish containing bacteria = microscope

5 0

3 years ago

Read 2 more answers

A disk shaped part is cast out of aluminum. Diameter of the disk = 650 mm and thickness = 16 mm. If the mold constant = 3.2 sec/

Natasha_Volkova [10]

Answer:

Time for solidification of the casting is 186 sec.

Explanation:

Chvorinov's rule is used to find the solidification time for any casting shape.

Step1

Given:

Diameter of the disk is 650 mm.

Thickness of the disk is 16 mm.

Chvorinov's rule constant is 3.2 sec/mm².

Step2

Calculation:

Total volume of the disk is calculated as follows:

$V=\frac{\pi}{4}d^{2}t$

$V=\frac{\pi}{4}({650})^{2}\times({16})$

V= 5309291.585 mm³.

Step3

Total surface area of the disk is calculated as follows:

$A=\pi dt+2\times (\frac{\pi }{4}d^{2})$

$A=\pi \times 650\times 16+2\times (\frac{\pi }{4}\times 650^{2})$

A= 696334.0117 mm².

Step4

Chvorinov's rule for time calculation is expressed as follows:

$t=K(\frac{V}{A})^{2}$

$t=K(\frac{5309291.585}{696334.0117})^{2}$

$t=3.2(\frac{5309291.585}{696334.0117})^{2}$

t=186 sec.

Thus, the time for solidification of the casting is 186 sec.

3 0

3 years ago