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EGR 217_ Exam.
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Exam of 4 pages for the course EGR 217: Exam at EGR 217: Exam (EGR 217_ Exam.)
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EGR 217: ExamThe subject of mechanics deals with what happens to a body when ______ is/are
applied to it. A) a magnetic field B) heat C) forces D) neutrons E) lasers - ANS-C) forces
________________ still remains the basis of most of today's engineering sciences. A)
Newtonian Mechanics B) Relativistic Mechanics C) Greek Mechanics C) Euclidean
Mechanics - ANS-A) Newtonian Mechanics
Evaluate the situation in which mass (kg), force (N), and length (m) are the base units
and recommend one of the following. A) A new system of units will have to be
formulated. B) Only the unit of time have to be changed from second to something else.
C) No changes are required. D) The above situation is not feasible. - ANS-C) No
changes are required.
Give the most appropriate reason for using three significant figures in reporting results
of typical engineering calculations. A) Historically slide rules could not handle more than
three significant figures. B) Three significant figures provides better than one-percent
accuracy. C) Telephone systems designed by engineers have area codes consisting of
three figures. D) Most of the original data used in engineering calculations do not have
accuracy better than one percent. - ANS-D) Most of the original data used in
engineering calculations do not have accuracy better than one
For a static's problem, your calculations show the final answer as 12345.6 N. What
should you write as your final answer? A) 12345.6 N B) 12.3456 kN C) 12 kN D) 12.3
kN E) 123 kN - ANS-D) 12.3 kN
In the three-step approach to problem solving called IPE, what does P stand for? A)
Position B) Plan C) Problem D) Practical E) Possible - ANS-B) Plan
Which one of the following is a scalar quantity? A) Force B) Position C) Mass D)
Velocity - ANS-C) Mass
For vector addition, you have to use ______ law. A) Newton's Second B) the arithmetic
C) Pascal's D) the parallelogram - ANS-D) the parallelogram
Can you resolve a 2-D vector along two directions, which are not at 90° to each other?
A) Yes, but not uniquely. B) No. C) Yes, uniquely. - ANS-C) Yes, uniquely.
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