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Major overhaul expenses of $5,000 each are anticipated for a large piece of earthmoving equipment. The expenses will occur at EOY four and will continue every three years thereafter up to and including year 13. The interest rate is 12% per year.
Draw a cash-flow diagram.
What is the present equivalent of the overhaul expenses at time 0?
What is the annual equivalent expense during only years 5-13?
A simplified analysis is applied to a gas turbine engine cycle that has a compression ratio of 8 to 1. The compressor and turbine inlet temperatures are, respectively, 300 K and 1400 K. Values of gas (air) properties are obtained from the Air-gas tab..
Determine the molecular weight of a poly(ethylene-propylene) with a degree of polymerization of 25,000 given that 20% of the mers (by number) are ethylene and 80% are propylenel.
with a sphygmomanometer as pressure is released the height of the mercury column is recorded at two points as blood
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(a) Describe how the capacitors are combined. (b) There are three other ways to combine all three capacitors in a circuit. What are the equivalent capacitances for each arrangement?
a certain body is weighed at an elevation of 30000 ft where g32.08 ftsec2 by a spring balance that was calibrated at
water at 1.5 mpa 150degc is throttled adiabatically through a valve to 200 kpa. the inlet velocity is 5 ms and the
A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminum alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,00..
If he wishes to use all the allotted land and his entire budget for cultivating these two crops, how many acres of each crop should he plant?
calculate the force required in direct extrusion of 1100-o aluminum from a diameternbspof 6 in. to 2 in. assume that
Pressure taps in a low speed wind tunnel reveal the difference between stagnation and static pressure to be .5 psi. Calculate the test section air velocity under the assumption that the air density remains constant at .0765 lbm/ft^3
steam enters an adiabatic turbine at 20 mpa and 600?c state 1. at an intermediate stage 20 of the inlet steam is bled
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