Engineering Questions and Answers

  • How to build a circuit that generates a specific frequency to produce a certain sound?
  • How to build a half pipe?
  • How to build a homemade laser ?
  • How to build a model castle science project...?
  • How to build a mousetrap car without flexible string or rubber band,but rope.?
  • How to build a robot?
  • How to build a trebuchet, where can i find some good plans?
  • How to build a trebuchetit?
  • How to build a truss bridge?
  • How to build an elevator for teens?
  • How to burn out a bulb?
  • How to calculate power for an amplifier knowing the line voltage and speaker output?
  • How to calculate proess capability(Cpk)?
  • How to calculate the change in concentration of substrate and biomass in batch, fed-batch, and continuous?
  • How to calculate the force of wind on a building face?
  • How to calculate the watts/hr of a simple battery charger?
  • How to calculate total instrument error if we have, say 3 instruments with 3 different error?
  • How to cast iron cylinder hesds?
  • How to change the direction of a wound field DC motor?
  • How to change the subject, when the subject you want to know is a power?
  • How to check igbt module?
  • How to claculate life in yrs of normal use if a sheet withstand 72 hrs salt spray test but fails 100 hrs?
  • How to compute development length in beams?
  • How to connect the 6 lead terminals, 3phase ac motor to run on a single phase source using a capacitor starter
  • How to control the speed of DC motors?
  • How to convert a 1MHz signal in to 500KHz signal using an DIGITAL CIRCUIT?
  • How to convert a DC device to AC ?
  • How to convert a square wave (555 timer output) into a sine wave?
  • How to convert area of a drum to weight of it in liter?
  • How to convert km3 to gigalitres?
  • How to convert peak to peak voltage to Db?
  • How to create a Lenz's Law demonstration device?
  • How to design 5V,1A regulated power supply?
  • How to design a muffle furnace? where i can get info about furnace design?
  • How to design a transistor oscillator? and what are the required steps?
  • How to design single pile and pile group?what are the steps in designing pile?
  • How to determine live loads design for bridges?
  • How to determine the properties of sea sand?
  • How to determine whether a given function is continuous or discontinuous when the limits are given.?
  • How to do egg drop?
  • How to do radiography of pipe joint?
  • How to do straight binary multiplication? Please explain me.?
  • How to draw something suppose a circle on graphical lcd means how can i adress particular pixels at radius r?
  • How to draw this in autocad?
  • How to drill stainless steel?
  • How to economically extract tungsten from tungsten carbide?
  • How to eliminate use of mobile phone during driving?
  • How to estimate quantity for concrete masonry walls?
  • How to estimate the required depth of penetration of the sheet pile and the pumping rate?
  • How to estimate the safety factor against piping during the construction of the basement?
  • How to find large capacitor values printed alphanumerically?
  • How to find out the type of single phase induction motor?
  • How to find out the weight of the steel pipes, steel plates of various sizes given in length, square feet etc
  • How to find the engineering mathematic notes?
  • How to find the the force acting on a 5' wall in a 4' deep tank " water force in lbs assume the tank is 5x5x4
  • How to form a patially circular concrete step?
  • How to generate IR signal equal to one that remote controls has?
  • How to generate IR signal equal to one that remote controls has? pllzzz nsuggest a simple circuit?
  • How to generate millivoltasge from thermocouple using amplifiers.give circuit diagrams.it is must for my answe
  • How to get an 4dimensional diagram?
  • How to improve my english knowledge?
  • How to improve my radio signal?
  • How to increase the productivity of Electrical Swich Gear?
  • How to infiltrate a fast food joints air extraction system?
  • How to install a outdoor CB antenna?
  • How to invent??
  • How to justify Robotic MIG Welding over Manual Welding ?
  • How To Light A Bulb Without A Switch?
  • How to make a ballistic gel???
  • How to make a canon?
  • How to make a clock out of water and clay?
  • How to make a container for egg drop competition?
  • How to make a device that stops and egg from breaking?
  • How To Make a Lava Lamp?
  • How to make a lightsaber?
  • How to make a motorized hand grip for a prosthetic arm?
  • How to make a perfect ping pong launcher?
  • How to make a simple battery?
  • How to make a simple circuit to measure a volts?
  • How to make a simple remote control?
  • How to make a turbine engine with a turbo.?
  • How to make a working hot air balloon model?
  • How to make an emergency traffic light prototype? and did anybody know about traffic lights sequence ?
  • How to make an fm radio by ourselves?
  • How to make an ultrasonic generator ?
  • How to make ferris wheel from popsicle sticks??
  • How to make photovoltaic cells?
  • How to make three light bulb blink?
  • How to make vehicle turn?
  • How to make water pistols?
  • How to master phisics?
  • How to measure a specimen block using nlock gauge?
  • How to minimize/ Make voltage between neutral & earth zero volts?
  • How to operate high pressure steam boilers,their operation and maintenance?
  • How to overcome the arising or foldover distortion in the pulse amplitude modulation?
  • How to physically test hardness of mild steel ?
  • How to plot magnitude response in Pspice?
  • How to produce a plastic cup with 3d effect surface?
  • How to produce a plastic cup with 3d effect surface?
  • How to purchase the material handbook?
  • How to recover silver material from graphite?
  • How to reduce the size of beams in slabs during construction.?
  • How to reuse (or recycle) the concrete?
  • How to reverse the rotation of an electric motor?
  • How to select cabling/wiring in sq.mm when cabling has to be done for 3phase 20kva UPS?
  • How to select distillation tray tower diameter, condensor & reboiler pressure & tray efficiency in Hysis?
  • How to select gear box?
  • How to solder resisistors in series & parallel?
  • How to solder resistors in series & parallel on a PCB?
  • How to solve circuit?
  • How to stop or slow down electronic meter?
  • How to test a Bridge Rectifier?
  • How to transmit video through dish antennaes to distances 10 km?
  • How to trow an egg from 50feet high platform to a solid surface,make it touch the ground and it must not break
  • How to use a potentiometer???
  • How to use power point?
  • How to use the Tachymeter on my watch?
  • How to weld light metals with a stick?
  • How warping of the rolled shafts(when keyway is cut through it) can be prevented ?
  • How was the International System of Units was developed?
  • How water tower constructed (concrete one), how the reservoir raise up?
  • How we can get on electricity power from water fall?
  • How we can measure the cfm of an AHU?
  • How were Egypt's pyramids built from the inside out?
  • How were Egypt's Pyramids built from the inside out?
  • How were the pyramids constructed (Egypt)?
  • How would I calculate alkaline battery lifecycle? Is there curve for it?
  • How would I convert 74v DC into 110/120v AC?
  • How would i do power of 6 on the calculator?
  • How would i find out all of the electronic assembly companies in my area?
  • How would i go about determining if an hvac system is sized correctly?
  • How would I use only an ac RCL circuit to make two LEDs alternate flashing?
  • How would you form something out of steel by bending it with a curve like a bowl?
  • How you calculate the sq ft?
  • How you explain a gear module?
  • How's Corrugated Boxes Made?
  • Huffman coding?
  • Human engineering in tractor design?
  • Human factors engineering in tractor design?
  • Husband pursuing career in structural ironwork.. looking for schools in southern california?
  • Hydraulic jack design formulas to lift load of 30KN with the maximum height of 800mm & min height of 250mm?
  • Hydraulics Pneumatics Gears Pulleys?
  • Hydro engineers - your assistance?
  • Hydroelectric Generators?
  • I am 13 years old and i want to study to be a architect were could i find information?
  • I am a 9th standard student.i want to make my own science models,electronic m odels .plz suggest how 2 start?
  • I am a B.E student,I have to make a minor project my branch is Electronics so please suggeest me some projects
  • I am a electrical engineering student, can i know eligibility's of ESE?
  • I am building a base pad for a mobile home. How many loads of dirt do I need to make the sight level?
  • I am busy doing a drawing. Can someone please explain what is meant by the dimension 'M20'?
  • I am civil engineer foam Iraq I want as you about your feeling towards my wounded country??
  • I am complted iti &i am working in a chemical company & i want to study in chemical engineering by postal how?
  • I am designing an emerging technologies exhibit. What are the latest gadgets you know of?
  • I am doing a science project & ICan't decide what todo it on. Do you have any suggestions?
  • I am doing chemical engineering and later i want to b weapons engineer. what i shoud do?
  • I am going to cut and drill aluminium 10 mm thickness sheet in cnc router machine?
  • I am in XII . I want to know the scope for civil engineering. Also I am interested in marine engineering.?
  • I am installing a well pump with a voltage selector on the rear 230 volts or 115?
  • I am looking at a traffic signal plan, specifically the loop sensors..?
  • I am looking for a design to build an Electric Piston with a 3 to 6 inch stork?
  • I am looking for a factory packaged water treatment plant. Can you assist?
  • I am looking for a kind of valve for an air hose system.?
  • I am looking for a Substitute of semiconductor NTE184,ECG 184?
  • I am looking for IP8C thermometer for the petroluem industry but could not find it in the web, please help!?
  • I am looking to set up a Business in Roller Shutter Systems for Commercial and Domestic Use Any help?? !!!!?
  • I am not Christian and want to know what is Good Friday?
  • I am not good at word problems, and my math SAT score was in the mid 500's, will this effect me as an engineer
  • I am supposed to plot a graph of amplitude vs. detector position for the following conditions:?
  • I am trying to build a magnetic track for a science project. What supplies do I need?
  • I am trying to come up with a domain name for our company?
  • I am trying to make a mouse trap car,, help?
  • I am using AVR microcontroller (AT8518L). Can you tell me how to program the 16 bit timer in it?
  • I am very interested in pcb's, and I'd like to know if there is a huge reference or anything to smd's.
  • I can think ,design but can,t change thoughts into concrete unique firm due to management will you suggest me.
  • I can't get it?
  • I doing a electric/robotic project with my skateborad.?
  • I doing a project a robotic project with me skateborad?
  • I finished my 12thand waiting for results... engineering or b.sc is better?
  • I glycol a good circulator for a 2 hp heat engine?
  • I got 2 offer courses in university..both are petroleum engineering n electrical engineering..?
  • I graduated from india in 2006 in electronica and communication engg.?
  • I have :LDR (light dependen Risistor) as a sensor?
  • I have 2 make a homemade filter 4 school?
  • I have 2 options,one is biotech engineering and other is biomedical engineering so which one should i choose?
  • I have 4 inch Stamped Concrete Driveway.?
  • I have a 110v plug from the USA and need to know which side is live.?
  • I have a 220 VAC 2 spd electric motor that doesnt work in low. I changed cap, still not working?
  • I have a 6G Pipe Welding test up and am having problems with cover pass?
  • I have a box of 5000lbs on 4 legs.?
  • I have a concept of making helicopter without tail rotor & big fan blade.Anybody want to discuss & share views
  • I have a Dry Box, its brand is Dr.storage. Now I need more,who can give me the corps detail? Thanks?
  • I have a electric motor which needs to be replaced and and i know nothin about electronic stuff?
  • I have a flux capaciter. How do I use it?
  • I have a great solutions about inductive components. How can I sale it?
  • I have a multiple feeds distillation system, how to find the minimum reflux ratio & minimum number of stages?
  • I have a power tool that requires a 240-110 transformer ,i need help with which transformer i need to buy.?
  • I have a project that needs 28 gage enamel magnet wire but don't have time to order it. So can I use...?
  • I have a wall that is 125KN/m2. What is KN/m2 in easier terms.?
  • I have a working prototype. I don't know if I'm dreaming, but no one seems interested.?
  • I have appeared for my SSC exams this year and expecting 80%marks. I m planning to go for engineering from IIT


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