Engineering > EXAM > EGR 217 Exam #1 | Questions with 100% Correct Answers | Updated & Verified (All)

EGR 217 Exam #1 | Questions with 100% Correct Answers | Updated & Verified

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The 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 - ✔✔C) forces ________________ still rema ... ins the basis of most of today's engineering sciences. A) Newtonian Mechanics B) Relativistic Mechanics C) Greek Mechanics C) Euclidean Mechanics - ✔✔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. - ✔✔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. - ✔✔D) Most of the original data used in engineering calculations do not have accuracy better than one [Show More]

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