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A scuba divers 2 cubic foot air tank is to be filled with air from a compressed air line at 120 psia and 100 degrees F. Initially the air in this tank is at 20 psia and 70 degrees F. Presuming that the ank is well insulated determine the temperature and mass in the tank when it is filled to 120 psia.
a two-stage missile is fired vertically from rest with acceleration as shown in the graph. in 15 sec the first stage a
1. a box contains 5 green 6 red 2 yellow and 8 blue marbles. four marbles are drawn from the box at the same time.a
given the following prepare the entries that both the purchaser and seller should record for these transactions. assume
an open brayton cycle engine operates with a compressor-pressure ratio of 6 an inlet temperature of 20 c and inlet
toms wife dina owns a printing business in town. tom works in the accounts payable department of jiffy lube company.
a charge of 18 nc is uniformly distributed along a straight rod of length 3.0 m that is bent into a circular arc with a
a spring with a spring constant of 230.6 nm is compressed by 0.251 m. then a steel ball bearing of mass 0.0441 kg is
a four-stroke-cycle engine operates on the air-standard diesel cycle. the engine has six cylinders with a 0.105 m bore
consultant 2310 per week overtime-not applicable 3 withholding allow.comp. prog. 34 per hour 1.5 times hourly rate for
a certain generating power plant requires 1 mw output. two types of diesel- engine installations are available. one
If the beam has square cross section of 9 in., on each side, determine the absolute maximum bending stress in the beam.
one kilogram 1 kg of superheated steam at 300 degrees c and 200 kpa is contained in a rigid tank. one thousand 1000 kj
determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an
A cylindrical steel pressure vessel with mean diameter 1.5 m
A household refrigerator with a coefficient of performance of 2.4 removes energy from the refrigerated space at a rate of 600 Btu/h. Evaluating electricity at , determine the cost of electricity n a month when the refrigerator operates for 360 hou..
an ideal rankin cycle uses water as a working fluid which circulates at a rate of 80kgs. the boiler pressure is 6 mpa
the force exerted on the cue ball by the cue is horizontal. determine the value of h for which the ball rolls without
a stationary radar operator determines that a ship is 19 km south of him. an hour later the same ship is 16 km
the atmosphere is stable with a lapse rate of -0.2 degree c100 m. the surfaces air temperature is 15 degree c. a parcel
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
an oven has five radiant heaters each one is rated at 15 kw. it should heat some 2-kg steel plates from 20 degrees
consider uniform potential flow past an ellipse with thickness ratio t. use an appropriate joukowski transformation to
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