fe review computational tools april 8, 2014 matthew c. valenti, ph.d., p.e. lane dept. comp. sci....

FE ReviewComputational Tools

April 8, 2014Matthew C. Valenti, Ph.D., P.E.

Lane Dept. Comp. Sci. & Elect. Eng.

Outline

• Introduction• Overview of Computational Tools Section• Spreadsheet Computations• Structured Programming• Exam Tips

About Me…

• B.S.E.E., Virginia Tech, 1992.• Electronics Engineer, U.S. Naval Research Lab, 1992-

1995.• M.S.E.E., Johns Hopkins, 1995.• Ph.D., Virginia Tech, 1999.• Assistant Professor, WVU, 1999-2005.• Associate Professor, WVU, 2005-2010.• Full Professor, WVU, 2010-present.• Passed FE Exam, Oct. 2010.• Passed PE Exam, Oct. 2011.

Outline


Do I Need to Know Today’s Topic?

• Each discipline has its own exam• Some of the disciplines require computer knowledge– Civil (4-6 questions)

– Mechanical (3-5 questions)

– Chemical (4-6 questions)

Outline


What is a Spreadsheet?

Relative Addressing

Absolute Addressing

Question #1

K. Whitehead, “999 Nonquantitative Problems for FE Examination Review,” PPI, 1997

In a typical spreadsheet, the reference H$8 is typed into cell T5. If this reference is copied into cell AA8, which cell will it refer to?

(a) AA5(b) O8(c) O11(d) T8

Question #1


H I J K L M N OT U V W X Y Z AA

In a typical spreadsheet, the reference H$8 is typed into cell T5. If this reference is copied into cell AA8, which cell will it refer to?

(a) AA5(b) O8(c) O11(d) T8

The answer is (b)

Question #2


Question #3

“Fundamentals of Engineering FE/EIT Exam Preparation, 18th edition,” Kaplan, 2008.

Question #4


Question #4

2 3 416


Question #5


Question #6

“FE Fundamentals of Engineering Exam, 2nd Edition,” Barron’s, 2008.

Question #7A partial spreadsheet is shown below:


Question #7

Question #7

The answer is (D) 4

Question #8


Question #9


Outline


Structured Programming

• You will be given several lines of pseudocode, and asked to determine the final values of variables.– Syntax similar to Matlab or Fortran.

• Need to understand logic for branching and looping.– IF/THEN– DO/WHILE– DO/UNTIL– FOR– GOTO (outdated)

• Could be asked about generic programming concepts.

Question #10• A computer structured programming segment contains the following

program segment. What is the value of Y after the segment is executed?Y = 4B = 4Y = 3*B – 6IF Y > B THEN Y = B – 2IF Y < B THEN Y = Y + 2IF Y = B THEN Y = B + 2

(a) 2(b) 6(c) 8(d) 12

M.R. Lindeburg, “FE Review Manual, 2nd Edition,” PPI, 2006.

Question #10• A computer structured programming segment contains the following

program segment. What is the value of Y after the segment is executed?Y = 4B = 4Y = 3*B – 6 Y = 3(4) – 6 = 6IF Y > B THEN Y = B – 2 TRUE, SO Y = B-2 = 4-2 = 2IF Y < B THEN Y = Y + 2 TRUE, SO Y = Y+2 = 2+2 = 4 IF Y = B THEN Y = B + 2 TRUE, SO Y = B+2 = 4+2 = 6

(a) 2(b) 6(c) 8(d) 12


Question #11


Question #12


Question #13


Question #14


Question #14

RESULT = TRUEimplies A.AND.B = TRUEwhich requires that bothA and B be TRUE.So A must be TRUE.

Question #15

• The following code segment is an example of what programming technique?

b = cube(a)cube(a){b= a*a*areturn b}

(a) branching(b) function call(c) looping(d) subroutine

M.R. Lindeburg, “FE/EIT Sample Examinations, 2nd Edition,” PPI, 2010.

Question #15

• The following code segment is an example of what programming technique?

b = cube(a)cube(a){b= a*a*areturn b}

(a) branching(b)function call(c) looping(d) subroutine

M.R. Lindeburg, “FE/EIT Sample Examinations, 2nd Edition,” PPI, 2010.

Outline


It’s a Marathon

• The exam is long:– 6 hours total.– Includes tutorial and 25 minute scheduled break.– 5 hours and 20 minutes exam time (320 minutes).

• Think of it as a marathon, not a sprint.– Develop your test stamina through practice.– Get good night’s sleep: Don’t cram!– Eat big breakfast. Bring a few snacks & a drink.

• Manage your time effectively.– 110 questions 2.9 minutes/question– Should use all of your available time.

Know the Handbook

• You will be given electronic access to the “Supplied Handbook”.

• Know where to find things in the Handbook.– Use the it when preparing/studying.– The index can be helpful.– the pdf is searchable, so practice doing keyword

searches.

Know Your Calculator

• Your calculator must be on the “approved list”.– I recommend the Casio FX 115

• Take advantage of its advanced features.– Integration, derivatives.– Matrix/vector operations.– Finding roots.

• Practice with your calculator.– You can’t bring the instruction manual with you.

• There is an electronic backup calculator.– TI-30XS

Passing Scores

• NCEES does not release its minimum passing scores.• Your score will be psychometrically adjusted. • Passing scores have been between 50-70% in the past.• No penalty for guessing.

– Make sure to respond to every question.– Suppose you only get 1/3 of the problems correct, and guess on the

rest. If 1/4 of those guesses are correct, what will your overall score be?

Passing Scores

• NCEES does not release its minimum passing scores.• Your score will be psychometrically adjusted. • Passing scores have been between 50-70% in the past.• No penalty for guessing.

– Make sure to respond to every question.– Suppose you only get 1/3 of the problems correct, and guess on the

rest. If 1/4 of those guesses are correct, what will your overall score be?

No Matter Your Discipline, You Can Get 1/3 Right!

Time Management

• Work the Exam in Three Passes.1. Ones you know for sure, and can solve quickly.• Spend first 80 minutes answering the easiest 40 questions.• Per question: 2 minutes.

2. Ones you can likely solve, but will take time.• Spend 160 minutes answering 40 more questions.• Per question: 4 minutes.• Take your break an hour into this stage.

3. Ones you don’t know. Just guess.• Last 80 minutes can be for guessing, checking easy answers,

and attempting the very difficulty problems.• Should hopefully only have 30 such questions

Passing Rates

Conclusion

• Approach the exam as if it were a marathon.• Know the Reference Manual.• Know your calculator.• Answer the easy questions first.• The computational tools section is one of the easiest.• You can pass!

fe review computational tools april 8, 2014 matthew c. valenti, ph.d., p.e. lane dept. comp. sci....

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