Unformatted text preview: List and discuss brieﬂy at least 10 areaslhat sssvieweomnstcse may throw questions at the design engineer during hisiher equipment design
revrew. 2. Prove that the present worth of annuity is given by ' v. 10 "I' ' _ '3" ‘
PW = R l:_(1__+1'__)_“ .
J A I = 9+ A.
where " A} ; L tipﬁrl' A \
PW is the present worth ofannuity A5 a (”P l” ”“9 A +A' n is the number of years 3 nr \ nJ . ~ ,
J is the interest rate An ‘ (ﬁt) A "i “+3" “i "‘ + l If A
R 15 the penodIc payment _ 034%) : L Hi} ) A n at “we”? [ﬁfr'i ﬂﬂwué‘g
\  __ N W __ ' ': e . _ _, . ‘1
@‘O‘. }_An “4 ‘Dﬁ'nq A . . n '2 . \  . I .
3 Suppose you are a maintenance manager Ofan engmeenng Ofgmatlon ‘3  ' 1'0 What are the te_n most important questions you should ask yourselffor the
self evaluation of eﬁ‘ectiveness of your maintenance program? ...
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 Winter '11
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