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an ocean thermal energy conversion otec power plant built in hawaii in 1987 was designed to operate between the
a long steel bar of radius r 25 cm k 50 wm degc p 7800 kgm3 and c 05 kjkg degc is to be annealed by cooling slowly
1 a steam power plant operates between the pressure limits of 45mpa and 15kpa steam enters the pump as saturated liquid
a fluid flow axially in the annular region between two concentric pipes with radii r1 and r2gtr1 respectively assume
a hypersonic gun tunnel is used to generate short-duration high-speed flows and typically consists of two cylindrical
a 17-tooth 20 normal pressure-angle helical pinion with a right-hand helix angle of 30 rotates at 1800 revmin when
a cable drum for a crane is to rotate between 160 and 166 rpm design a gear drive for 25 hp in which the input pinion
long cylindrical steel rods p7833kgm3 and cp0465kjkgdegc of 8-cm diameter are heat treated by drawing them at a
consider a recalculating flow in the power cycle shown in the figure the fluid flowing in 100 ft of smooth pipe have an
at steady state air at 200 kpa 325 k and mass flow rate of 05 kgs enters an insulated duct having differing inlet and
disk a has a mass of 5 kg and disk b has a mass of 6 kg they have the initial velocities shown in the figure the
a train car has a mass of 17500 kg and is travelling at 10 ms to the right on a horizontal track at the same time
the 20 kg block is falling and when it is 75 m from the gravel surface it has a velocity of 25 msdetermine the velocity
1 a carnot heat engine produces power of 25 kw it rejects heat to a river that is flowing at 2 kgs resulting in a
a 45 kg machine is mounted on a spring of stiffness 8x105 nm when the machine is set to vibration by a 32 hz excitation
r-410a flows at 03 ibms in a refrigeration system the r-410a is throttled from 60 f 270 psia to 45 psia determine the
a cylindrical specimen of a titanium alloy having an elastic modulus of 107 gpa and an original diameter of 40 mm will
a load test on a 8-mm diameter by 375-mm long aluminium alloy rod found that a tension load of 4800n caused an elastic
air at a stagnation pressure 700kpa flows isentropic ally through a convergent-divergent nozzle the design pressure at
a meteorologist is studying hurricanes and tornadoes she determines that a particular historic tornado can be described
determine the following for a south facing surface at 30deg slope in gainesville fl latitude 2968degn longitude
please use the radiation fundamental and sunrsquos size to recalculate the sun radiation power and mass loss rate
determine the forces in members bc and fg of the loaded symmetrical truss show that this calculation can be
a power plant generates steam from coal burning which burns at 3000of and produces about 13000 btu per pound the steam