Practice Question Confusion Resolution

Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 1:12 pm

I keep messing up the conversion of units - does anyone have a general rule I can follow? Why do we change the foot pounds to inch pounds only after the equation here while in the next post we do it before? Do we need to know about the safety factor for the test? What about other safety factors or are all steel beam calculations using 1.67 as a safety factor? Will something like this be on PDD?
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Last edited by anonymous283 on Mon Dec 31, 2018 5:09 pm, edited 4 times in total.
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 1:19 pm

First off whats the deal with telling us to use a certain formula in the question and then rearrange it in the answer? Can it still work with the original formula? Why do we convert feet to inches here before the formula while doing it after in the previous post? When I try using the original formula I get w=2000 L=(30feetx12inches)360 so 5(2000(360^4)/384E=I I =14,700 inch^3 - What am I doing wrong?
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 1:34 pm

I don't understand this explanation because its very confusing to me but I guessed it right. I treated red points a and d like a free body diagram with arrows pointing towards the points as compression and arrows pointing away from the points as tension. Beam ac is going to be in tension while beam bd will be in compression because of the load. Therefore the respective points will have arrows doing the same - is this a correct way of doing this?
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 2:15 pm

Do basement walls not need to be designed to resist overturning caused by earth pressure? I don't understand their reasoning behind d being incorrect
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 2:17 pm

Do we need to know any of this for the exam?
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Last edited by anonymous283 on Sun Dec 30, 2018 9:39 pm, edited 1 time in total.
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 2:57 pm

Can someone explain this better to me because I don't understand this at all
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 3:03 pm

Please tell me something like this won't be on the test
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 3:25 pm

I don't remember studying anywhere in the kaplan review that you divide anything in moments - do you?
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Sun Dec 30, 2018 6:18 pm

Do we need to memorize these factors when sizing members or will they be given in a question or in a reference material in the case studies? Kaplan didn't review these very well - not like ballast at least
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Re: Practice Question Confusion Resolution

Postby anonymous283 » Mon Dec 31, 2018 7:31 am

Would a question like this come up and would we need to know these service load factors?
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Re: Practice Question Confusion Resolution

Postby KOOTA » Thu Jan 03, 2019 2:39 pm

took the test and failed the first time but none of these cals were on there, know the basic, finding R and M of point loaded and uniform loaded and hope u answer everything else right
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