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Engineering

Engineering is an art and profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life.

5,839 Questions

University of Illinois Engineering Foreign language entrance requirement?

The entrance requirement is the same for the whole University - 2 years of foreign language.

See more details about the entrance requirement here: http://admissions.uiuc.edu/apply/requirements_freshman.html

See more info about what foreign language requirements are required for graduation for UIUC here: http://courses.uiuc.edu/cis/gened/urbana/2008/Fall/language.html

Purpose of an engineering bench vice?

The purpose of an engineering vise to clamp and hold an object in order to work with it. Most vises are permanently mounted on a work table.

What is called degradation of signal over network cable?

It means that, as the signal travels over the wire, it will (a) get weaker, and (b) the signal for the individual bits will "spread out" until they overlap with the neighboring bits.

It means that, as the signal travels over the wire, it will (a) get weaker, and (b) the signal for the individual bits will "spread out" until they overlap with the neighboring bits.

It means that, as the signal travels over the wire, it will (a) get weaker, and (b) the signal for the individual bits will "spread out" until they overlap with the neighboring bits.

It means that, as the signal travels over the wire, it will (a) get weaker, and (b) the signal for the individual bits will "spread out" until they overlap with the neighboring bits.

Did the steam engine cause global warming?

It didnt cause it but it sure did help. The burning of coal and other fossil fuels are major causes of global warming by release immense amounts of carbon dioxide and nitrous oxide into the atmosphere.

What is 5D in bend pipe?

The RADIUS of a 5D pipe bend is actually what is 5 times the nominal diameter. So if you had a 10" diameter pipe, the radius of the centerline of the bend would be 50 inches.

Can you still be good at physics and engineering if you are not good at computer programming in terms of writing code in every programming language and biology?

You'll most likely learn one or two programming subjects in your university studies, but not much more than that. You will certainly need much less knowledge about programming than if you specialize in computer sciences.


How does length of gas nozzle effect mig welding?

The legth of the gas nozzle can affect the MIG welding process because it modifies the "electrode extension" or so called stickout.

The longer the nozzle the longer electrode extension needed to keep the arc away from it thus the value od the welding current and arc voltage changes. These changes will have a great effect on the weld.

An imperial micrometer can read to what accuracy?

An imperial micrometer can measure to within 0.001in (1000th of an inch).

What is an inlet baffle?

An inlet baffle is part of a septic system. It is the point at which wastewater leaves the home and goes into the septic tank.

Example of sentence density current?

And example of a sentence using the term density current might be this one: The water in the north was much colder than the basin water, and this colder water, because it was more dense than the seawater in the basin, created a density current that caused the cold water to flow into the lower area of the basin.

Why do you expect an infinity line to have an input impedance equal to the caractarictic impedance?

The characteristic impedance of a transmission line is the ratio of voltage to current of the propagating electrical wave. The line input impedance is the result of the superposition of forward and reverse, or reflected waves when the terminating impedance is not adapted. If the line is infinite, nothing returns from its end and only the forward wave exits. The voltage to current ratio is then the line characteristic impedance. Remark that the same occurs when the line is terminated by its characteristic impedance, the forward wave finds a perfect continuity to the load and no energy is reflected back to the line. A matched line is like an infinite line when looked from the input terminals. Long real lossy lines also act as infinite lines for the energy of the reflected wave is dissipated along the line before reaching the source.

Why is it that no matter what major you cannot escape writing essays?

Essays are unavoidable, just like death and taxes. And the instructors want to see how much a student does not know about their subject.

What is sectional drawing?

A drawing that divides a cube, for example to see what's inside in it.

What is SITSIE?

Supervised Industrial Training Scheme in Engineering.

What is difference between capacitor and super capacitor?

Super capacitor have high capacitance compare to normal capacitor. Super capacitor use two layer of dielectric medium whereas in normal capacitor single medium dielectric.

Because of this super capacitor use as alternate power source for RTC when computer is off.

Where is the biggest roller coaster in north America?

"Kingda Ka" at Six Flags Great Adventure in Jackson, New Jersey. 456 Feet Tall and 128 MPH!

When was IRDA formed?

The Insurance Regulatory and Development Authority (IRDA) was formed by an act of Indian Parliament known as IRDA Act 1999

What measurements will each of these instruments take?

There is no instrument on that list that can take any reliable measurements.

How do you write a c code for memory allocation algorithms?

#include<stdio.h>

typedef struct hole

{

int id,size,inf,ef,filled,pid,psize;

}hole;

typedef struct process

{

int id,size,comp;

}process;

hole h[50];

process p[50];

int m,n,intfrag,exfrag;

void output()

{

int i;

intfrag=exfrag=0;

printf("\n\n\nHole Process IF EF\n");

for(i=0;i<m;i++)

{

printf("\n%d %d %d %d",h[i].size,h[i].psize,h[i].inf,h[i].ef);

intfrag=intfrag+h[i].inf;

exfrag=exfrag+h[i].ef;

}

}

void final()

{

int i;

for(i=0;i<n;i++)

{

if(p[i].comp==0)

{

printf("There is no memory for the process of size %d\n",p[i].size);

}

}

}

void input()

{

int i,max,flag;

max=flag=0;

printf("\nEnter total no of holes:\n");

scanf("%d",&m);

for(i=0;i<m;i++)

{

h[i].id=i;

printf("\nEnter size of hole %d:\n",i+1);

scanf("%d",&h[i].size);

h[i].inf=0;

h[i].ef=h[i].size;

h[i].filled=0;

h[i].pid=0;

h[i].psize=0;

}

for(i=0;i<m;i++)

{

if(h[i].size<0)

{

printf("\nInvalid input as hole size is negative");

flag=1;

}

if(h[i].size>max)

{

max=h[i].size;

}

}

printf("\nEnter total no of processes:\n");

scanf("%d",&n);

for(i=0;i<n;i++)

{

p[i].id=i;

printf("\nEnter size of process %d:\n",i+1);

scanf("%d",&p[i].size);

p[i].comp=0;

}

for(i=0;i<n;i++)

{

if(p[i].size<0)

{

printf("\nInvalid input as process size is negative");

flag=1;

}

if(p[i].size>max)

{

printf("\nInvalid input as process size is greater than max size of hole\n");

flag=1;

}

}

if(flag==0)

{

output();

}

}

void first()

{

int i,j;

for(i=0;i<n;i++)

{

for(j=0;j<m;j++)

{

if(p[i].size<=h[j].size && p[i].comp==0 && h[j].filled==0)

{

p[i].comp=1;

h[j].filled=1;

h[j].psize=p[i].size;

h[j].id=p[i].id;

h[j].inf=h[j].size-p[i].size;

h[j].ef=0;

output();

}

}

}

printf("\n\n\nInternal Fragmentation:%d",intfrag);

printf("\n\n\nExternal Fragmentation:%d\n\n",exfrag);

final();

}

void best()

{

int min,i,j,sub,var;

for(i=0;i<n;i++)

{

min=999;

sub=0;

for(j=0;j<m;j++)

{

if(p[i].size<=h[j].size && p[i].comp==0 && h[j].filled==0)

{

sub=h[j].size-p[i].size;

if(min>sub)

{

min=sub;

var=j;

}

}

}

p[i].comp=1;

h[var].filled=1;

h[var].psize=p[i].size;

h[var].id=p[i].id;

h[var].inf=h[var].size-p[i].size;

h[var].ef=0;

output();

}

printf("\n\n\nInternal Fragmentation:%d",intfrag);

printf("\n\n\nExternal Fragmentation:%d\n\n",exfrag);

final();

}

void next()

{

int i,j,a;

a=j=0;

for(i=0;i<n;i++)

{

for(j=a;j<m;j++)

{

if(p[i].size<=h[j].size && p[i].comp==0 && h[j].filled==0)

{

p[i].comp=1;

h[j].filled=1;

h[j].psize=p[i].size;

h[j].id=p[i].id;

h[j].inf=h[j].size-p[i].size;

h[j].ef=0;

output();

a=(j+1)%m;

}

}

}

printf("\n\n\nInternal Fragmentation:%d",intfrag);

printf("\n\n\nExternal Fragmentation:%d\n\n",exfrag);

final();

}

void main()

{

int ch;

printf("\n\n\n**********MEMORY ALLOCATION**********\n\n");

printf("\n1.First Fit Algorithm\n2.Best Fit Algorithm\n3.Next Fit Algorithm");

printf("\nEnter your choice:\n");

scanf("%d",&ch);

switch(ch)

{

case 1: input();

first();

break;

case 2: input();

best();

break;

case 3: input();

next();

break;

}

}

Written by: Fabianski Benjamin