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1,001 questions about the ASTB (post your scores & ask your questions here!)

Jamie_D said:
There wasn't any for mine, but don't count it out! It could be there, that's the tricky part. Good luck! If you have any more questions feel free to ask.
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I appreciate it! I know it's different for everyone. The way some of the study guides are written though seem to show that there is quite a bit of geometry which contradicts what most people here have said. I only ask because I actually skipped geometry in high school so my knowledge of it comes solely from precalc/calc/trig so I have had to do quite a bit of learning in that category and wanted to make sure it wasn't like 50% geometry as some of my study material makes it seem.

Thanks again!
 
VermontSoccer said:
I appreciate it! I know it's different for everyone. The way some of the study guides are written though seem to show that there is quite a bit of geometry which contradicts what most people here have said. I only ask because I actually skipped geometry in high school so my knowledge of it comes solely from precalc/calc/trig so I have had to do quite a bit of learning in that category and wanted to make sure it wasn't like 50% geometry as some of my study material makes it seem.

Thanks again!
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I'd know simple stuff, it won't be anything too tricky. For example, the sum of all angles in a triangle equal 180° and the Pythagorean theorem. I'd also take note of area and volume equations for simple shapes (circle, square, triangle, cube, cylinder, etc.). I didn't study much more than that, but more couldn't hurt either.
 
VermontSoccer said:
I appreciate your post as well. I have a quick question as I think you may have written one of the compasses wrong? On the right column, when you are heading North-East, shouldn't the orientation be N - E on top and W - S on bottom? You both have the same orientation drawn for traveling North-East and North-West.
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Yes, my mistake. Thank you for pointing that out!
 
Long time follower, first time writer. My second time taking the OAR is tomorrow. Have been studying pretty hard anything I can get my hands on, and hoping to get a better score then 44. LETS DO THIS!
 
Hello everyone!
I am fairly new here, but I took the ASTB a month ago, and have one more try available before my application is due. I am having a hard time deciding if I should retake the test. My responsibilities at the academy have been through the roof, so I have not been able to study as much as I would have liked. Please let me know your opinion!

EDIT: Must take the next exam by SEPT 22

Age: 21
Applying for: SNA
School: United States Merchant Marine Academy
Degree: B.S. Marine Engineering
GPA: 3.05
ASTB: 50 6/6/6
 
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Hey guys,

Can anyone help explain these two mechanical comprehension problems? I am 100% clueless on why the answers are what they are and the explanations weren't that clear (or at least they aren't to me).


I assumed that the TMA would be 3 since the first is a movable pulley with a MA of 2 and then the fixed pulley with a MA of 1 ...
Q1.JPG



I saw this one on here before but I don't think there was a conclusive answer. I'm thinking that they got the label on the wheel wrong since it would make more sense if the 10" diameter was replaced with 12" and the circumference being 24"...

Q4.JPG



For this one, I got it right but I was just curious what formula (if there is one) am I supposed to use. Someone said use the P=m * v formula but it doesn't make sense in my head... probably because I haven't seen this stuff since 11th grade.

Q3.JPG


Thanks,

Fluffy
 
In regards to the first question, the only pulley providing a mechanical advantage is the moveable pulley, the other two (non moving) are only redirecting the direction of your force so they provide no MA.

The second question I'm 99% sure is a typo and should be 12" in the question not 10".

The third question, I'm not sure how I would set it up with a formula as it just seems intuitive to me. Every action has an equal and opposite reaction, if something with a mass of 150 lbs moves 10 feet, something 4x its mass has to move 1/4th of the distance. The way they have it set up is correct I just think its easier to think about the questions intuitively. The mechanical questions on the ASTB were roughly the same difficulty as those so I wouldn't stress about knowing formulas etc....

If there are problems you intuitively know the answer to you will be able to do the same thing on the ASTB....I was worried about formulas and ended up getting a 60 on the OAR which I was told is around 80th percentile. Also remember you have answer options and can work backwards which helps if you think about problems in more of an intuitive way isntead of formulas.

Hope this helped!
 
Is there a difference between the ASTB and the OAR? I've been studying for ASTB with multiple study guides, is the OAR an actual test or is that just the score?
 
flyguy4723 said:
Is there a difference between the ASTB and the OAR? I've been studying for ASTB with multiple study guides, is the OAR an actual test or is that just the score?
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The OAR is the first portion of the ASTB and is used for applying to any OCS field. It has a reading comprehension section, a math section, and a mechanical comprehension section. The ASTB is the OAR plus the aviation portion
 
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