Mechanical aptitude test.

Not the only test questions that have ambiguous answers. Some of the GCSE science questions are very poor too especially for the super intelligent or merely well informed.
 
I'm not sure about admitting this but I scored 98%. Not bad for a sociologist and better than at least one former engineering research fellow, eh Pyro? In 1966 I passed 'o' grade applied mechanics and I have recently been doing a bit of 12 volt electricery so I guess that's the explanation. I think I'll have a wee dram to celebrate.
 
100% but I nearly got the venturi question wrong until I thought about it.... Interesting protests from people who got them wrong.... smug smug....
 
My daughter and son both got 100%, daughter is 14 and son is 13. Mind you they spent twice as long as me doing the test so thats my excuse for only getting 96%. /forums/images/graemlins/blush.gif
 
Hmmm, considerng that some of the questions have technical errors in them and others are technically ambiguous, and others such as the fan one, with depend on details of the geometry which is unstated, I suspect there is also an element of luck! /forums/images/graemlins/smile.gif
 
There were no technical errors that I saw and you are quite wrong about diesel being easier to ignite under pressure. Try putting petrol in your diesel tank and see what happens. Pre ignition, thats what! Under ANY conditions petrol is more volatile. As far as the fans are concerned one must assume that they are the same unless told otherwise. The "geometry" is therefore irrelevent.
 
94% (and I'm not certain how anyone gets an odd number - unless some questions give more than 2%, and some less...

And I'm with Solar Neil here - I hate "poor questions" (my kids bring them home from school all the time!).

I'm certain I was marked wrong for observing the serial parallel nature of the "circuit" (rather than the "load") in Q24...

Another one:
The question about cooling needed you to assume that the liquid with the larger exposed surface area would cool faster (or at least, I guess that is what the answer was) - however, if the containers themselves were made of extremely heat conductive materials, and/or the space over the liquid was filled with a very hot gas, then the answer might be different!
 
96%.

Although the terminology was questionable and I had to assume no friction etc. I was confident that I understood what they wanted. The one exception was the names of the gear systems; direct, reverse, overdrive, reduction etc. I felt that some of the systems could match more than one description.
 
Gears : they all reversed direction except the reverse? You have to take these in the spirit intended and think automotive apprentice USA. nuff said - I was in the 90s but my thumb landed on the stupid laptop skating rink and it shot off to hyperspace before I could read it all. A lot of those questions were in the test I took to join IBM in the 60's but then, computers still had a lot of electro-mechanical periferals in the days of punched cards...
 
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