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bernoulli's principle works around the idea that as air accelerates, it looses pressure, and visa versa. the use of a venturi tube clearly shows this: the air to begin with has a constant velocity, and a constant pressure, as the air is forced into a smaller opening, it speeds up and thus...

logic gates? ive never heard of any gates in engineering... please elaborate on that question

suggest how integrated systems in a hybrid vehicle may achieve improved energy efficiency compared with conventional petrol vehicles key word here is 'suggest' ... which means its up 4 interpritation, and basiically anythin can be the right answere, as long as you put up a good arguement, and...

WOA WOA WOA!! STOP!! i get the 272*1-300*.5 part ... but where the hell did .87 come from?!

aaaah k then, i get it. thanks for that clrification

ShowStopper's right... R1 = 270 & R2 = 180 he just assumed that all the members were 1 unit long, and did a simple members equation to figure out each reaction eg. R1 = 300 x .5 + 30 x 1 + 120 x 1.5 - R2 x2 therefore R2 = 360 / 2 R2 = 180 R1 = 450 - 180 R1 = 270 Whats happening...

as far as the exam goes, we will not be asked a question as complex as this, simply because we do not have the time to figure out all of the information. we will get a simple trussed bridge or cantilevered sign, and told to figure out the reactions at the attachment points in one question, and...

sounds like fun i dont wana sound like a Defence Force recruter here, but you can all do all of this at AFDA... your courses aare paid for (no HECS), you get paid a ton of money for studying there, and when you finish, your garinteed a job in your desired field!! job security is garinteed...

im not sure how to upload an image onto this page... could someone please find a picture or a simple trussed structute, and give us a question? because that way we can actually practice abit. cheers

'... using the scale shown' simply means use the measurements they give you. do not measure it yourself, because you will get an inaccurate drawing

a commutator is a part of an electric engine, and acts as a conductor for the bruches and the magnets... as to exactly how it goes about doing that (and for that matter, any additional information about a commutator) i do not know

that actually sounds extreemly accurate... however... if the question asks: 'draw this object', then by definition, you should use instruments to achieve all the avaliable marks... but if the question asks 'sketch this object', then it means do a quick sketch as acurate as you can get it to...

thats very helpful, yes, in finding the reactions on either side of the trussed structure... but what if after that, the question asked: 'find whats happening in member d-e' assuming its a simple truss configuration, and the members are named with a letter at each of the joints, and a member...

haha, lol. watts, not kilo newton. nice have you got a question for us? its kind of a pattern thats going here. u answere 1, then ask another 1...

Maths is a big part of Engineering, but thats it, its only a part. . . There are many other different parts to engineering that just baffles me... Ive tried doing practice questions for Engineering on the Board of Studies website. Theyre only munti-choice questions, but theyre good practice...

Lets just hope that the exam on Wednesday is going to be relatively easy. Ive tried doing all the past papers, going to my teacher for advice, and getting as much information from these forums as I can... But I still dont quite feel fully prepared. Does anyone else feel the same?

thats wat i really dont like... big headed geneuses who ace every test, and come top of the class without even trying... and then redicule you for getting a lower mark then them, when you put your heart and soal into getting the best mark you can with what you got.

my course of action is to join the RAAF as an aeronautical engineer. sounds like a fun carreer, and great in so many different ways what r u going to do if u dont get electrical or mechanical engineering?

well personally, i think that its the ecams that really rank the class... in my last 3 assesssments, ive gotten 100%... and im still 3rd in the calss in my trials exam, i gto 67% sadly... but im hoping for a better one net wednesday for the HSC

if u want band 6, its mid to high 90's...