Chemical Engineering Sample Exams: For the New Breadth/Depth Exams, First Edition

Part I: AM Sample Exams and Solutions

Chapter List

AM Sample Exam 1
AM Sample Exam 2
Solutions to AM Sample Exam 1
Solutions to AM Sample Exam 2

Overview

MORNING SAMPLE EXAMINATION

Instructions for morning Session

  1. You have four hours to work on the morning session. Do not write in this handbook.

  2. Answer all forty questions for a total of forty answers. There is no penalty for guessing.

  3. Work rapidly and use your time effectively. If you do not know the correct answer, skip it and return to it later.

  4. Some problems are presented in both metric and English units. Solve either problem.

  5. Mark your answer sheet carefully. Fill in the answer space completely. No marks on the workbook will be evaluated. Multiple answers receive no credit. If you make a mistake, erase completely.

Work all 40 problems in four hours.


P.E. Chemical Engineering Exam Morning Session

Fluids

Bernoulli's equation:

1.

A solution of specific gravity 1.84 is being discharged from a tank to the atmosphere. Level of the liquid in the tank is 20 ft above the centerline of the exit pipe. Frictional and contraction losses in the pipe amount to 12 ft head of solution.

Under these conditions, the discharge velocity [ft/s] from the pipe is closest to:

  1. 35.2

  2. 7.4

  3. 22.7

  4. 27.8

Answers

1.

Apply Bernoulli's theorem between points A (surface of the liquid) and B (discharge point). Also take level at B as datum plane.

Therefore, these terms cancel out.

U A =

0

since the cross section of the tank...

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