The engine of a refrigeration unit may shut down if:
A. The engine has low oil pressure
B. The engine water temperature is too high
C. The refrigerant discharge pressure is too high
D. All three of these conditions can cause a unit to shut off unexpectedly
Answer: D
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The IT department allocates indirect costs to user departments on the basis of CPU time at the rate of $2000 per second. For the first quarter, the two heaviest use departments logged 900 and 1300 seconds, respectively. If the IT indirect budget for the year is $19.56 million, the percentage of this year’s allocation consumed by these departments is closest to: (choose one)
(a) 22.5% (b) 32% (c) 55% (d) 67%
Problem Statement
(a) Computer the vertical displacement of the hinge at C in Figure P8.34. EI is constant for all members, E= 200 GPa, I=1800 x 10 6 mm 4 . (b) The designer would like to offset the vertical displacement of the hinge at C by moving the support A. How far should support A be moved horizontally?
(a) Draw the influence lines for reactions M A , R A , and R c of the beam in Figure P12.4. (b) Assuming that the span can be loaded with a 1.2 kips/ft uniform load of variable length, determine the maximum positive and negative values of the reactions.
