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A tourist bus company is equipping its fleet with a mix of three models - a 16 seat van costing $35,000, 30 seat minibus costing $60,000, and a 50 seat big bus at cost of $140,000. The total budget is $10 million. A total capacity of at least 2000 seats is required. At least half the vehicles must be the big buses. The availability of drivers and the garage space limit the total vehicles to a maximum of 110. If the profit dollars per seat per month values on the big bus, minibus, and the van are $4, $3, and $2, respectively, determine the number of vehicles of each type to be acquired for maximum profit.
Methane gas in a piston-cylinder assembly goes under an adiabatic (no heat transfer) quasi- equilibrium compression. (This process is called isentropic process). The pressure and volume of the gas during the process are related as PV 1.3=constant.
Using the required parameters for a typical large size car* and an appropriate frontal Quarter-Car model.
a heat engine whose thermal efficiency is 40 percent uses a hot reservoir at 700 k and a cold reservoir at 280 k. a
After scaling a wall, a thief drops 3-m to the ground if his body comes to a complete stop 0.15s after his feet touch the ground determine the vertical component of the average impulsive force exerted on his feet increases from zero by the square of ..
A rigid 15-L vessel initially contains a mixture of liquid water and vapor at 110 C with 11.2 qualities the mixture is then heated until the temperature is 155 C. Calculate heat transfer
a pendulum consisting of a bob of mass m is suspended from a massless inextensible string of length l in a viscous
an adiabatic gas turbine expands air at 3447 kpa and 427degc to 415 kpa and 120degc. if the volume flow rate at the
consider an ideal combined cycle with compression ratio of 71 in which air enters the compressor at 295 k enters the
determine the velocity of its center when it reaches the end of the bowling lane.The ball is always in contact with the bowling lane during its motion. the bowling ball may be assumed to be a uniform solid sphere with a mass of 7 kg and diameter o..
solid particles having a size of 0.18 mm a sphericity shape factor of 0.91 and a density of 1090 kgm3 are to be
suppose another stone is thrown horizontally from the same building. if it strikes the ground 67 m away find the
a domestic water heater holds 189 l of water at 60 degrees c 1 atm. determine the exergy of the hot water in kj. to
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