Test 1 A - Engineering Exploration - Fall 2007 | ENGE 1024, Exams of Engineering

An old Fall 2008 test. Material Type: Exam; Professor: Ohanehi; Class: Engineering Exploration; Subject: Engineering Education; University: Virginia Polytechnic Institute And State University; Term: Fall 2008;

Typology: Exams

Pre 2010

Uploaded on 10/13/2008

secretserviceden
secretserviceden 🇺🇸

1 document

1 / 9

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Form A, Page 1 of 9
Department of Engineering Education
Virginia Tech
ENGE 1024 – Engineering Exploration - Fall 2007
TEST 1 FORM A
NAME _________________________________ ID NUMBER __________________
SECTION CRN _________________________ INSTRUCTOR ________________
WORKSHOP LEADER _______________________
With my signature, I verify that I have neither given nor received unauthorized assistance on
this test. ________________________________________________
DO NOT OPEN THIS TEST UNTIL INSTRUCTED TO DO SO.
1. This test is closed book and closed notes.
2. All cell phones and PDAs must be turned off and put away.
3. You may use a calculator.
4. Fill in identifying information on the opscan. Submitting incomplete or inaccurate
opscan forms will be subject to a 5 point test grade penalty. Be sure you have entered the
following and darkened the appropriate circles:
NAME
ID NUMBER=student ID number
FORM= test form (A in this case)
SEAT NO=last 3 digits of your CRN
5. Fill in the opscan answers as you work through the test, do not wait until the proctor calls
time/pencils down. Students will be required to stop working immediately, including
opscan marking, when time/pencils down is called.
6. Choose the best answer for each question. Some questions have “None” as an answer
choice. “None” implies that all of the other answer choices are incorrect.
pf3
pf4
pf5
pf8
pf9

Partial preview of the text

Download Test 1 A - Engineering Exploration - Fall 2007 | ENGE 1024 and more Exams Engineering in PDF only on Docsity!

Department of Engineering Education

Virginia Tech

ENGE 1024 – Engineering Exploration - Fall 2007

TEST 1 FORM A

NAME _________________________________ ID NUMBER __________________

SECTION CRN _________________________ INSTRUCTOR ________________

WORKSHOP LEADER _______________________

With my signature, I verify that I have neither given nor received unauthorized assistance on

this test. ________________________________________________

DO NOT OPEN THIS TEST UNTIL INSTRUCTED TO DO SO.

  1. This test is closed book and closed notes.
  2. All cell phones and PDAs must be turned off and put away.
  3. You may use a calculator.
  4. Fill in identifying information on the opscan. Submitting incomplete or inaccurate opscan forms will be subject to a 5 point test grade penalty. Be sure you have entered the following and darkened the appropriate circles: - NAME - ID NUMBER=student ID number - FORM= test form ( A in this case) - SEAT NO=last 3 digits of your CRN
  5. Fill in the opscan answers as you work through the test, do not wait until the proctor calls time/pencils down. Students will be required to stop working immediately, including opscan marking, when time/pencils down is called.
  6. Choose the best answer for each question. Some questions have “None” as an answer choice. “None” implies that all of the other answer choices are incorrect.

FORMULAS and DEFINED CONVERSION FACTORS

Volume of a cone = R^2 H 3

Where R = radius, H=height

Surface area of a solid cone = ( 2 )( ) 2 2

π R S + π R

Where S = distance from point of cone to edge of circular base (in other words, the length of the slanting surface)

Fractional error = truevalue

error

1 in = 2. 54000 cm

1 ft = 0. 304800 m

1 yard = 3 ft

1 mi = 5280 ft

1 min = 60 s

1 hr = 60 min

1 ft^3 = 7. 48 gal

1 gal = 3. 78 L

1 lbmol = 453. 6 mol

1 psi = 6895 Pa

1 atm = 14. 7 psi

1 atm = 760 mm Hg

1 slug = 32. 174 lb (^) m

1 kg = 2. 20462 lb (^) m

1 N = 0. 22481 lb (^) f


  1. For the following isometric view, which of the following is the right side projection?
    1. None
  1. A new engineering student creates a decision matrix to help her choose which Tablet PC to purchase. The rating scale* is shown at the top of the table. Key purchasing criteria are listed at the top of the columns, and associated weighting factors are the percentages listed. For each criterion, ratings of the models are listed in columns.
  • 5= excellent 4=above average 3=average 2=below average 1=poor

Tablet PC

Weight 40%

Screen size 20%

Reliability 25%

Cost 15%

Model A 2 4 5 4 Model B 3 5 3 4 Model C 4 4 4 3 Model D 3 4 3 4

On the basis of the decision matrix above, which Tablet PC model should she choose?

  1. Model A
  2. Model B
  3. Model C
  4. Model D
  5. None
  1. Which of the following quantities uses SI units properly?
  1. 193 kg
  2. 150 w.
  3. 11.7 sec
  4. 49 Ns
  5. 450 NW
  6. 4.2 m/s/s
  1. The closest value of the specific gravity of a balloon full of water is:
  1. 1000
  2. 62. 4
  3. 10
  4. 9. 81
  5. 1
  6. 0. 1
  1. Which of the following flowchart symbols properly begins a flowchart?
  2. Consider the following value. Which of the following statements are true about the bolded digit?
    1. 0 678000
  1. It is a significant digit.

  2. It is not a significant digit.

  3. It is a place-holder zero.

  4. It is not a place-holder zero.

  5. It is a leading zero.

  6. 1 and 4

  7. 2 and 3

  8. 1, 4, and 5

  9. 2, 3, and 5

  10. None

  11. Start

  12. Start 5) Start 6) None

  13. Start 3) Start

  1. A large indoor community building is shaped like a rectangular prism. The height, width, and depth of the interior are 5. 0 m, 6. 0×10^1 m, and 8. 0×10 1 m, respectively. Assuming the building is empty except for air and that the air is evenly distributed in the building, what is the weight of the air inside the building? Assume the density of air is 1. 20 kg/m^3.
  1. 2. 9×10^2 N
  2. 2. 8×10^3 N
  3. 2. 9×10^4 N
  4. 2. 0×10^5 N
  5. 2. 8×10^5 N
  6. None
  1. A hollow sphere with an outer diameter of 5. 0 inches and an inner diameter of 4. 0 inches is divided into eight equal pieces (by volume). What is the volume of one of the pieces in cubic inches?
  1. 0. 52 in^3
  2. 1. 2 in^3
  3. 1. 3 in^3
  4. 4. 0 in^3
  5. 32 in^3
  6. None
  1. A solid cube is cut perpendicular to one of the six faces, along the face diagonal of that face. If the side length of the original cube is 5. 0 cm, what is the surface area of one of the two resulting pieces?
  1. 50. cm^2
  2. 75. cm^2
  3. 1. 0×10^2 cm^2
  4. 1. 1×10^2 cm^2
  5. 1. 3×10^2 cm^2
  6. None

Face diagonal

  1. How should the answer to the following calculation be reported?

(11.7 – 1.89) / 0.

  1. 8. 50 x 10^2
  2. 8. 5 x 10^2
  3. 900
  4. 9 x 10^2
  5. None
  1. Convert 7. 9 kg/m^3 to slug/ft 3
  1. 0. 015 slug/ft^3
  2. 0. 16 slug/ft 3
  3. 2. 4 slug/ft 3
  4. 3. 2 slug/ft 3
  5. 7. 9 slug/ft 3
  6. None
  1. A triangle has two adjacent sides that have lengths of 4. 3 cm and 8. 1 cm. If the angle between the two sides is 28°, what is the length of the remaining side?
  1. 3. 8 cm
  2. 4. 8 cm
  3. 12 cm
  4. 23 cm
  5. 1. 5×10^2 cm
  6. None