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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

What do all living things do?

Considering that plants are also living things we all need oxygen, so all living things breath.

How is memory in a PLC organized?

Memory in a Programmable Logic Controller (PLC) is typically organized into several distinct areas: program memory, data memory, and I/O memory. Program memory stores the ladder logic or other programming languages used to control the PLC, while data memory holds variables, timers, counters, and other data needed for processing. I/O memory manages the input and output operations, interfacing with sensors and actuators. This structured organization allows for efficient execution and management of control tasks in industrial automation.

What is the difference between a half bridge and a full bridge inverter?

A half bridge inverter is an electronic circuit that uses different phases to do what it needs to do. A full bridge inverter is a single phase device so a half bridge is more complicated than a full bridge.

What is near-far effect?

Adjacent channel interference nearby frequency leak into passband. The problem can be worse if an adjacent channel user is transmitting in very close range to a subscriber receiver. This problem is referred as near far affect. By Kazi Ashique Ahmed Rafi

it usaully occurs in CDMA when users are transmitting unequal powers.

by salman ahmed

What is the average volume of an airplane How much space does an airplane fill?

That question has a varied answer. It depends what type of airplane you're asking about

Explain advantages and applications of switching regulators?

Switching regulator is a so simple switch in which the switch goes on and off at a fixed rate usually between 50Khz to 100Khz as set by the circuit. The main advantage of switching regulators is its high power conversion efficiency and increased design flexibility when it comes to multiple output voltages of different polarities can be generated from a single input voltage.

Why separate storm sewers preferred over combined sewers?

Because during a heavy down pour the sewerage treatment is over loaded and raw sewerage can enter potable water systems

What is wheels?

wheels is a type of things that can roll. it helps cars to move

In what year did the hindenberg blow up?

the hindenberg blew up at 7.00 pm on the 6th of may 1937

What road surface material is best suited for a long driveway on a country farm that holds up well with very little or no maintenance?

The best low cost option is probably crusher fine (crushed rocks 3/8" or smaller) if you can get it. It's fine enough that you can walk on it fairly comfortably, it never cracks or buckles, it holds down dust and inhibits mud puddles from forming, and plenty of other good stuff.

Source: http://www.americantrails.org/resources/trailbuilding/BuildCrushFinesOne.html

A good CCIE Voice lab Boot Camp suggestion?

12 Dyas CCIE Voice Boot camp: winnet Systems

http://www.winnetsystems.co.UK/ccie_voice.HTML

  • Quadruple CCIE's Instructor: Harith Kariapper has produced more than 190 CCIE's so far
  • Dedicated racks consist of latest hardware and software
  • CCIE Lab Exam including 3560 & 6500 Catalyst Switches
  • All CCIE students get 15 days FREE access to our Lab
  • Course design is in line with cisco blue print
  • Course Manual

Hello Guys,

This is shaheen from Qatar working in MNC.I attended the CCVP Plus Bootcamp conducted in Dubai on Dec 15 2010.I can bet that you didn't never get a

best instructor like faisal.He is simple person with lot of Knowledge.When I ask lot of questions from my work experience,he answers it with clear picture and the dial plan he taught was superb.

Faisal is simple,good friend,and his class never get bored.

I have plan to attend his CCIE Voice class next year and I will pass it.

Shaheen Hamza

Qatar

What are the recent trends in operations management?

Recent Trends In POM

 Global Competition

 Operations Strategy

 Flexibility

 Cycle Time Reduction

 Business Process Re-engineering

 Supply Chain Management

 Workers Involvement

 Lean Manufacturing  TQM

 Global Competition  Global Market  Global Suppliers

 Operations Strategy  Quality based  Time based

 Flexibility  Variety of products  High Volume as well as Low Volume

 Cycle Time Reduction  The less time RM (Raw Material), WIP (Work In Process), FG (Finished Goods) spend in the Manufacturing and Logistics process, the less opportunity they have to absorb costs.  Business Process Re-engineering  Value added and NVA activities

 Supply Chain Management  NOT from RM storage to FG warehouse  From the original suppliers to final consumers

 Workers Involvement  Workers are not costs, they are assets

 Lean Manufacturing  Inventory is waste

Total Quality Management

Prove that Emc2 is dimensionally correct?

E=mc^2 has units Newton meter (Nm).

E=Nm and mc^2=(N/a)c^2

Nm= N(m/t)^2/m/t^2 = Nm.

Thus Energy is unit equivalent to mc^2 and both are units of Nm.

Which mine is a series of terraces that have been carved into the earth and raw ore is removed from that pit walls by use of explosives?

This is the open pit mine. Surveys are conducted (including drilling) and mapping is done. Then, with the location of the ore bodies pinpointed, material is removed, drilling and blasting create the ore pile, and the ore is loaded and hauled to the crusher. From there is it off to the processing plant.

What does prototype mean in engineering?

A prototype is an early sample or model built to test a concept or process or to act as a thing to be replicated or learned from.