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Goryan [66]
3 years ago
6

HELP PLS Is a book a solid, frame, shell or combination and WHY

Engineering
2 answers:
Ivan3 years ago
7 0

Answer:

I think a solid frame maybe

Explanation:

kirill115 [55]3 years ago
4 0
A solid because it keeps its shape and definite volume.
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Consider the base plate of an 800-W household iron with a thickness of L = 0.6 cm, base area of A =160 cm2, and thermal conducti
ratelena [41]

Given-

Power, P = 800W

Thickness, L = 0.6cm

Area, A = 160cm²

Thermal conductivity, k = 60W/mK

The heat conduction would be

\frac{d^2T}{dx^2} + \frac{d^2T}{dy^2} + \frac{d^2T}{dz^2} + \frac{e(gen)}{k}  = \frac{1}{\alpha } \frac{dT}{dt}

Except \frac{d^2T}{dx^2} all the values are 0.

Therefore,

\frac{d^2T}{dx^2} = 0

Thus, the boundary conditions here would be

1. Q_x_=_0 = -kA \frac{dT (0)}{dx} = Q_o

2. T(L) = T_L

4 0
4 years ago
Answer the following either true (T) or false (F) (5 pts)
likoan [24]

Answer:

1. True

2. True

3. False

Explanation:

The office location is where the soil layer is not uniform. The thickness of the soil varies which could lead to doors being jammed. The engineer needs to estimate the differential in clay soil.

The inclined surface can hold less weight than a vertical surface. The capacity to hold the weight is due to the gravitational force which is exerted to the load.

6 0
3 years ago
Production of pressure vessels is fastening an open-ended cylinder and two rigid plates with bolts. The cylinder made of brass.
marysya [2.9K]

Answer:

The pressure that the container will start to leak is 154.87 psi

Explanation:

Force on end plates F = p(πR²) ⇒ pπR²

There is an equal reaction from four bolts ∴ F = pπR² / 4 .............. (1)

due to force on bolt, each bolt stretch by \sigma_b

Therefore; \sigma_b = \frac{F_bL}{A_bE_b} .........................(2)

Leaking will start when tightening is outstretched by half turn per 16 turns per inch.

Cylinder experience a radial expansion as p increases. it is accompanied by poisson contraction \sigma_c in axial direction. That is, the bolt do not have to experience a long stretch before the pressure breaks off the plate.

\sigma_b + \sigma_c = \frac{1}{2} *\frac{1}{16} = \frac{1}{32} ...................... (3)

Axial deformation \sigma_c of cylinder = L times axial ∈₀

<em>see continuation in attached picture in writing to get the value of Pressure: since we have the value of P</em>

R=8", L=16", t=0.125"

Area of bolts A_b = \frac{\pi}{4}(\frac{7}{16})^2 = 0.150 inch^2

E_c = E_{cylinder} = 125

E_b = E_{bolt} = 200

V for brass = 0.3

P = \frac{1}{8*8*16} [\frac{0.150*12.5*200*0.125*10^9}{\pi*8*125*0.125+4*0.3*0.150*200}]

p = 1.67797.183 P ⇒ 154.87 psi

7 0
4 years ago
Which option identifies what Maria must pay attention to while creating her sketches in the following scenario?
vodka [1.7K]
The freaking answer iis the secシ❥❥☀︎︎
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3 years ago
Assume a flash memory can have 6 levels {0, 1, 2, 3, 4, 5} and the errors can be of limited value of magnitude 1 (i.e. a digit a
Elena-2011 [213]

Answer:

Explanation:

/* General Code for achieving perfect error for any level and any

digit of codewords*/

#include<iostream>

using namespace std;

int main(){

  int level;

  //Input memory levels.

  cout <<" Enter number of Flash Memory levels : ";

  cin>>level;

  //construct array store levels.

  int lvl[level];

  for(int i = 0; i < level; i++){

      //assign levels name

      lvl[i] = i;

  }

  int digit;

  cout << "Enter number of digit codewords :";

  //Taking input of codeword digits

  cin >> digit;

  for(int i = 0; i < level;){

      //output Codeword

      cout << lvl[i];

      //Skipping for n number digit codeword in level

      i+=(digit+1);

     

  }

 

}

/*

a) i from 0 to (i = i+(2+1))<levels

b) for length (1) -> 3 codewords

  codewords -> {0,2,4}

for length (2) -> 2 codewords

codewords -> {0,3}

*/

6 0
3 years ago
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