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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
Why does japan is the best in computer field comparing to Korea?
Because Korea is the most advanced country in the world reguarding computer technology. Not Japan. Do your homework.
Is being a CNC machinist hard?
A CNC machinist does not exist. The following are the positions regarding CNC machine tools.
- CNC Programmer
- CNC Setter
- CNC Operator
CNC Programmer - This is the hard part. Usually, a CNC programmer is a qualified or experienced machinist or turner. One has to understand the principals of machining to be able to write a program for machining on a CNC machine tool.
CNC Setter - The CNC Setter is the person who would get the program from the programmer and install it on the CNC. Her would then set the machine up and get it ready for operation. The setter also needs a good background in machining or turning.
CNC Operator - This is the easiest part of the job and only a good understanding of measuring instruments are necessary.
The programmer probably has the hardest part of the job. The setter second and the operator the easiest. Despite having the easiest part of the job, the operator's importance to the operation is significant. He is the first person to identify incorrect dimensions of the machined component. He has to notify the setter or QC inspector if the machined workpiece is out of spec. If he fails to do so, a batch of scrap components could be produced wasting a lot of time and money. Usually, depending on the size, complexity and cost of the machined component, the operator has to take one out of every specified amount to the QC inspector for precise measuring to confirm its conformity to the drawing.
In many instances, the programmer is the setter too. In others, the setter is the operator. There are instances where the programmer does the programming, setting, and is the operator of the machine.
Which lathe chuck can hold the most difficult workpiece shapes?
The 4-Jaw independent chuck. Due to its independent jaws it can grip the most complex shapes.
3-Jaw and 4-Jaw self centering chucks are only capable of gripping cylindrical and hexagonal (3-Jaw self-centering) or cylindrical, square and octagonal (4-Jaw self-centering) shapes.
What is the main difference between normal JK flip flop and master slave JK flip flop?
A normal JK flip-flop has the output change state based on the input on the leading edge of clock, while the master-slave variety predetermines the output on the leading edge of clock and then effects the actual change of the trailing edge of clock, making it impervious to race conditions.
Why do some concrete-surfaced bridges make high-pitched noises when driven over?
Sometimes concrete bridges are grooved by machine. Bridge decks freeze before roads do because the cold hits both the top and the bottom of a bridge.
The grooves increase traction and help prevent sliding when it's snowy or icy.
Grooves also lessen the likelihood of hydro-planing.
Anyway, the high-pitched noise is caused by the grooves in vehicles tires vibrating against the grooves in the concrete deck.
What does the 3rd level of engineering do in Virtual Villagers The Lost Children?
i'm pretty sure it gives you a huge building area which it gives you the ability to build a school there. Just drag a builder, any kind, to that area and he/she will start building a school. Afterwards, when it's buoilt, your children can get educated more! ;)
the case label that contains the matching value. If there is no matching value but there is a default label in the switch body, control passes to the default labelled statement. If no matching value is found, and there is no default label anywhere in the switch body, no part of the switch body is processed
How to get telephone contact numbers of small businesses?
You can use online yellow pages directories and white pages directories to find contact numbers of small businesses. If your list is big, then manually copying the phone numbers for all the businesses will really take a lot of effort.
Does anyone have any roller coaster related science fair project ideas?
You can go on the ride and then ask people to do a survey of if they closed there eyes! ~Hoped this helped!
What is the function of vernier calliper?
It's designed to measure short distances more accurately than a ruler or tape measure, specifically the outside or inside opposing faces of an object. An example of it's use is to measure the outside diameter of a pipe.
What is robustness in genetic algorithm?
The word robust, when used with regard to computer software, refers to an operating system or other program that performs well not only under ordinary conditions but also under unusual conditions that stress its designers' assumptions.
Is it possible to re-engine a 747 with only 2 GE90?
No it is certified as a 4 engine aircraft it would require 4 engines
Cable XSSN systems is newly discovered by a scientist named Michael Andrilo Parreno a genius student. It is a sytem that enables the user to get all the channels available in the television. Michael Andrilos invention is not successful, but when Dr.Klyn Pio Calunzag help him the invention has become successful, has developed and become favorite of people in connecting in channels.
What are some limitations in engineering?
the earth limits the materials you can engineer into cool stuff. the space area is pretty much dark in all the universe me tinks.
What is a special socket that is used for an impact wrench?
It's called an impact socket, typically distinguishable from other socket types by a matte black color. They're made of a softer metal, in order to prevent the shattering which can occur from using chrome sockets with an impact wrench.
Why do you plug in diesel engine?
The "plug" powers an coolant heater. A diesel engine starts easier if the engine is warm.
What is a water break free surface?
has to do with alkaline dip tanks.. Water break free surface is a 10 second retention of water on a surface that has been cleaned and rinsed of its alkaline.
ISTE stands for Indian Society for Technical Education.
It is a professional society which provides membership for technical institutions, faculty, scholars and students. LMISTE is the Life member of Indian Society for Technical Education.
What is a high end frequency scanner?
A: It is a terminology to imply that the scanner will be used at the hi end of frequency as opposed to low frequency
What are the different parts of stand fan?
Parts of the Electric Fan
· Front Guard. It is a protective metal mesh wire used to prevent the fan
blade from any physical contact with foreign objects.
· Power Controller. It is a circuit that controls the amount of power supplied
to the motor.
· Sensor. It is the input receiver that detects input signal coming
from remote control.
· Manual Control. It is a push button switch that controls manually
operation of the electric fan.
· Non-polarized Capacitor. A low reactance non-polar capacitor connected in
series with the start winding of an electric fan.
· Timer. It is used to switch on or off automatically with
predetermined time.
· Comparator. It is a processing circuit that accepts the input signal
coming from remote control, manual switch or timer switch. This circuit provides the triggering voltage to the power controller.
· AC Motor. It is rotating electric machine which changes applied
electrical energy or power into mechanical output energy or power.
· AC Plug. It is a connector intended for connecting to the main
source 220 V.
PROCEDURE IN PREPARING AN ELECTRIC FAN
1. Once the specific electrical/mechanical problem is located;
· Consider the techniques for the proper removal of the detective component or parts.
· Anticipate what to do if the replacement part does not correct the problem.
· Check the installation of the replacement or original part for any improper mounting in the mechanical assembly or circuit board.
2. Examine carefully the mounting of the replacement of original parts of the system.
· Check the placement of the wires or loads of the replacement component
· Consider significant factors used in the original installation such as insulating washer, silicon grease and locating mark for pin connections
· Observe proper placement of the component leads for electrical parts
3. Perform the techniques for the proper soldering of electrical parts.
· Be careful not to damage adjacent components
· Be careful not to lift the copper conductive path from circuit board base material
· Avoid any solder bridges between board path
· Do not destroy the component being removed in case it is still functional and be careful not to damage the component being installed
4. Verify all connections and harness.
· Be sure that all components pre-positioned in a manner that will avoid the possibility of adjacent component short circuit conditions
· Be sure to check or inspect all insulators and barriers between sections after working on any model/brand of electric fan.
· Checked for frayed or broken insulation on all wiring including the AC line cord
· Be sure to replace fuses, resistors and capacitors with special designation such as flame proof to components equal to the original value for both safety and liability purpose
5. Once the repair is completed, perform an AC leakage test on all exposed metal parts of an electric fan to eliminate the possibility of electric shock
· Perform complete retesting of the electric fan to ensure the correctness of the actual repair
· Connect the electric fan into the 60Hz power to allow the time period required to let the new parts settle in and operate as they are designed to work with each other.
· Recheck or inspect if the repair was done correctly and the unit functions properly to ensure successful completion of the repair
6. Clean the electric fan before it would be returned to the customer.
· Be sure that the blade, front and rear guards of the electric fan are properly cleaned
· Be sure that the power cleaning is given to the control panel or switch box of the electric fan.
What is back gear attachment in lathe?
The back gears on a lathe can be changed to enable it to cut an even wider variety of thread pitches.
