Engineering Questions and Answers

  • Why is it important to wear protective clothing and use other appropriate safety equipment during the fault di
  • Why is it necessary for a metal surface be flat during the grinding process?
  • Why is it necessary to connect ammeter in series and voltmeter in parallel?
  • Why is it not advisable to use gate valve for throttling purposes?
  • Why is it so important, (and highly emphasized), that microwave popcorn bags be placed, "THIS SIDE UP!"?
  • why is it so that the voltage is only in the multiple of 11i.e.110,220,440etc?
  • why is it that ceiling fans rotate counter clockwise where as table fans rotate clockwise...?
  • Why is it that fruit can be made into a battery, yet it isn't an electric conductor? PLEASE LIST SOURCE! Merci
  • why is it that holes & notches in engineering componet are more dangerous in brittle than in ductile materials
  • Why is it that most American companies insist on a green card holder or a citizen for a Test Engineering Job??
  • Why is it that on the top cap of the urinal it says "Delany Flushboy - 'Turn to Silence'"?
  • Why is it that Radio FM has frequency between 87.5 - 108?
  • why is it the alternator output voltage increases with capacitance loading?
  • Why is it usually required that batteries be inserted in opposing directions?
  • Why is it working.?
  • Why is knowledge of force and power important for cutting operations?
  • why is laser marking better than hot stamping?
  • why is manhole cover shape is round?
  • Why is mild steel metal coated with Paint ,Tin ,Zinc and Plastic?
  • why is moisture seperator used in the high pressure pneumatic system?
  • Why is my e-beam machine broken?
  • why is not widely used Knuth's Tex?
  • why is PZT is used in tennis racket? why not not other material is used instead of PZT?thank you?
  • WHy is shear stress soooo small!!? HELP!?
  • Why is that the total power of FM is equal to the carrier power?
  • why is the "heat called a Scobille unit?
  • why is the answer x虏=160y and not x虏=80y?
  • why is the bulb not bright 2?
  • why is the bulb not bright?
  • Why is the concrete under a freeway over pass designed like an I beam?
  • Why is the cover of manholes circle in shape?
  • Why is the energy from static electricity difficult to harness?
  • Why is the frog on a brick called a frog?
  • Why is the front tire on sports bike type motorcycles so small?
  • why is the inductance is seriously connected to the circuit.?
  • why is the initial pressure in autoclave is called false pressure?
  • Why is the input voltage a round figure as 220v or 230v and not 221 or 233v as such?
  • why is the intensity of the incandescent bulb is much higher during late hrs compared to that during 7-8pm?
  • Why is the lower frequency band always used for uplink communication and upper band for downlink?
  • why is the process of technological advancement so slow?
  • why is the refrigerator condenser painted black?
  • Why is the reversed Carnot cycle impractical ?
  • Why is the US so reluctant to adopt the metric system?
  • why is the vena contracta formed in the orifice meter?
  • Why is the water in office buildings so hot?
  • why is there a long ton and a short ton, where did this come from?
  • why is there a magnet in a circuit breaker and electric motor?
  • Why is there a metal edge on a ruler?
  • Why is there a need to do calibration?
  • Why is there a thin layer of plastic wrapped around the copper wiring?
  • why is there a velocity gradient in fluids??
  • Why is there an owl on the dollar bill?
  • Why is there heat at a bad connection point on a DC electrical circuit?
  • why is transformer rating expressed in kVA instead of kW?
  • why is voltage different in Europe?
  • why is water flow used as a comparision to explain electrical flow?
  • why is whitcomb airfoil also referred to as the supercritical airfoil?
  • Why isn't nuclear power widely used?
  • Why isn't there more information about HHO, Brown's Gas, Rhodes Gas and Oxy-Hydrogen?
  • why isn't there some kind of parachute or shoot system on high builbdings?
  • Why it is dangerous to replace a fuse wire by a copper wire?
  • why it is hard for me to design things?
  • Why it took thousands of years for man to reach to a technology to invent an electrical bulb? and then ...?
  • Why knee Point Voltage is important for selection of CT ?
  • Why material content of EDM electrode impotant?What are the require criteria of the electrode ?
  • why microwaves donot come out through the glass door in front of the oven?
  • why modern building architecture is different form past centuries architecture?
  • why mono poles do not exist in magnets????
  • why mostly the shape of a tunnel is parabola?
  • why motor cable gets very hot?
  • why must filter catridges be kept moist? and what media is used to do so?
  • why negetive voltage( -24v DC) is used for measuring the vibrations of Steam turbine,generator?
  • Why no research was conducted on sending electricity wireless?
  • Why not 6 phase AC?
  • Why not governments think of developing other alternate sources of energy, rather than fighting for oil?
  • Why our education system fail to produce Engineering graduates who can stand on their own legs.?
  • why potential of capacitors joined in series is same?
  • why pump efficiency is allways grater than turbine efficiency ??
  • why quartz sand is preferred in cement mortar industries to bag it instead of river sand.?
  • why R and X-BAR chart plotted together?
  • why r stranded conductors used in transmission lines?
  • why radio altimeter use 2 different antennas?
  • why radiography take in welded joints?what are all the types and explain?
  • why RC low pass filter does not allow high frequency signal?
  • why saturation pressure ends at 3203.6sq.in.?
  • why shoukd we not use mobile phones in petrol bunks ?
  • Why should i answer questions in yahoo?
  • why silicon is used in silicon controlled rectifier not germanium?
  • Why some health care equipment is not grounded?
  • Why some people are not instrested with the low cast people.?
  • why stainless steel is not a magnet material?
  • why star connection used on high voltage side for power transformers?
  • why steam boilers dont use for cooling ?
  • Why the amplifier gain is negative?
  • why the big huge of steel floiats,and small coins sink?
  • Why the circuits that are common emitter configurations called "common emitter"?
  • why the frequency range of the channel bandwidth of the radio channels is between 88 to 115 MHz?
  • Why the hardness value of copper is different while tested on different Rockwell鈥檚 scale?
  • Why the joining of great rivers "Ganges and Kaveri" should not be executed to attain India"s development?
  • Why the Mig-21 was not engineird to be a top fighter?
  • Why the rating of a transformer is done in KvA and not in KW?
  • Why the structural steels, in petrochemical project required hot dip galvanizing ?
  • why the voltage ratings are in multiples of 11?
  • Why there is a big lacking of industrial maintenance mechanics in California?
  • why there is a cable connecting 2 phase of transmission overhead lines?
  • Why there is ISO?
  • Why there is no 2nd & 4th angle projection in engineering drawing?
  • why there isn't any information on klockner moeller typact drive, tpy3-415/480 wiring diagram?
  • why tilting pad thrust bearings are preferred in heavy and high speed machines?
  • why time constant of inductor is taken L/R instead of LR?
  • why titanic ship drowned?(plz answer scientifically)?
  • why tractor will have bigger rear wheels & in front smaller wheels?
  • why transformer or generator rated in kva and not in kvar?
  • why u want to join callceter after studying B.E. computer science &engineering?
  • why was the light bulb invented?
  • why we are connecting wash basin connections through floor trap? tell me the corrct answers.?
  • Why we can't do this?
  • Why we do not use air-ships today ?
  • why we don't decrease the size of aggregate to have smaller block of concrete?
  • Why we go for ultrasound for imaging not rf?
  • why we need three pin plug for iron boxes or any heavy load electrical mechines?
  • Why we put coal and salt in earthing dig?
  • why we use 3-phase supply?why is not 4 or something else?
  • why we use large blades in low pressure turbine?
  • Why when i pour carbonated drinks on dry glass it makes foam/mousse and when the glass is wet it doesn't?
  • why wiring is always inside plastic pipes,attached with the walls.?
  • why won't this work, today?
  • why would anyone use bronze instead of steel for tools?
  • Why would there be a difference in peak Voltages of a half- and full-wave rectifier circuit?
  • why would you say google is so interested in people not deleting their emails?
  • why, does water when kept in the freezer a while , then taken out, (turn to slush, before your very eyes)?
  • Why, on an electrical supply to a house with PME does the earth loop impedence have to be 0.35 ohms or less?
  • Why/How do lightbulbs fail?
  • Will 50Hz mess up a 220v washer/dryer designed for 60Hz?
  • Will a 25w halogen bulb put off the same amount of heat as a 40w incandescent bulb?
  • Will a 50Hz Meter give false readings for currrent, voltage and watts on a 60Hz supply?
  • Will a diamagnetic metal heat up when replacing the the armature in an AC motor?
  • will a machine gun work under water?
  • will a rubberband stretch the same distance every time with the same amount of weight attached to it?
  • Will an engineering degree destroy my health?
  • Will dry steam pull more vacuum than wet steam?
  • Will i be able to power a 12v case fan from a 5v souce at full speed with a 1w single isolated DC-DC converter
  • will i continue to drink alcohol for some period ?
  • will i get an a on my project?
  • Will induction cooking burn away the iron minerals (iron ions) present in the food being cooked?
  • Will it be a possibility to build tornado, storm proof home? Do any exist now?
  • Will it be possible to mow the lawn with my brain?
  • will old concrete set up again?
  • will robots become future man ?
  • Will salaries of Mining Engineer go down within next 5 years period?
  • Will shutting on and off a continuous duty motor shorten its life?
  • will someone help me with this?
  • Will someone please tell me how to change sq ft to cubed. 2ftx2ft x4"?
  • will space electrification can take place?
  • Will stainless steel, when in contact with another metal, corrode?
  • Will stretching a strand of piano wire through an exhaust break windows.?
  • will the current pass through neutral wire?explain in detail?
  • Will the internet ever overpower our worldwide electrical generating power?
  • Will the microwave run down batteries to mobile phones, digital cameras, etc.? Please provide proof.?
  • Will the new Freedom Tower's twisted design cause mini tornado's?
  • Will they use hand pumps to re-inflate the roof of BC Place staduim?
  • will this circuit create ac currents?
  • will this create ac currents?
  • Will This Sprinkler System Work?
  • will this tesla coil circuit work?
  • Will two pieces of pure silver always have the same volume?
  • will u pl.give me the good slogan related to mechanical engineering?
  • Will varying the gauge of the wire in the armature of a DC motor affect its performance and resistance?
  • Will varying the gauge of the wire in the armature of a DC motor affect its performance and resistance?
  • Will varying the mass of the wire in the armature of a DC motor affect its performance and resistance?
  • will water quality affect a laser when passed through it?
  • Will we see a reduction in energy costs because we put the clocks forward 3 weeks?
  • will You able to make program without Computer?
  • wind generation system design---how the Cp is related to pitch angle?
  • wind power grid-tie?
  • Wind Tunnel Testing and Full Size Similarities?
  • wind turbne blades?
  • Windmill powered boat.?
  • Windmill project that lifts weights?
  • WINDMILLS - How many watts per hour does a windmill ACTUALLY produce?
  • Window Measuring?
  • wireless camera?
  • Wireless electricity?
  • Wireless electricity?
  • Wires question?
  • with a .039 drill bit how far can I drill into a peice of G-10 with out the drill walking?
  • With an acceleration of zero, can you say it's a constant?
  • With multiple Voltaic Piles, how do I isolate cells to charge a large capacitor?
  • with relation to pressure and area what is the equation work out force?
  • With respect to C programming is in case of UNION ,each and every letter has some expansion or its complete.?
  • Wood beam to steel conversion?
  • wood engineering question?
  • wood tolerences?
  • worcester 400?
  • word for ability to conduct heat?
  • Word for science of most efficient packing of boxes in to a space?
  • Word Problem?
  • Word Problem?
  • Work in India for civil engineer?
  • work input/output, efficiency.help!?


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