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micro structural analysis of a slowly cooled al-si alloy indicates there is a 6 volume silicon-rich proeutectic phase
a gear system having velocity ratio of 4 is connected by spur gears and has a 5-inch in center distance the diametral
an air conditioner maintains the temperature of a dwelling at 72 0f when it is 96 0f outside if heat is transferred
water is heated in a closed pot on top of a stove while being stirred by a paddle wheel during the process 30 kj of
a heat pump system is being designed to maintain a temperature of 25 0c when it is 0 0c outside assuming the heat
an amount p must be invested now to allow withdrawals of 1000 per year for the next 15 years and to permit 300 to be
consider a two- dimensional straight triangular fin of length l 50mm and base thickness t 20mm the thermal conductivity
saturated steam is to be condensed on the shell side of a heat exchanger at 75degf cooling water enters the tubes at
heat in the amount of 80 kj is transferred directly form a hot reservoir at 985k to a cold reservoir at 280k calculate
data for a power cycle operating at steady state between reservoirs at 1200 and 400 k is given for each scenario
a certain industrial process requires a steady 075 kgs supply of compressed air at 500 kpa at a maximum temperature of
a compressor receives 01 kgs r-134a at 150 kpa -10c and delivers it at 1000 kpa 40c the power input is measured to be 3
a 1982 us department of energy article fs204 states that a leak of one drip of hot water per second can cost 100 per
a gas in a piston-cylinder undergoes a carnot power cycle the gas expands and compresses isothermally between two
reheat is added to an ideal rankine steam power cycle to improve itrsquos efficiency and turbine exit quality steam
consider an ideal rankine cycle with a single open feed water heater the boiler pressure is 800 psia and the condenser
methane ch4 is mixed with 125 theoretical air and burneda what is the actual gravimetric afrb the mass of water
explain in 4 to 5 sentences at least in what casesin what kind ofnbsp problemnbsp an angular momentum-impulse equation
decorative water fountains consist of a water reservoir and underground piping to and from a pumpone such system is
a compressed liquid mixture of 42 mol percent n-hexane 1 and 58 mol percent ethane 2 is to be fed to a flash tank where
atmospheric air can be modeled as ideal gas moisture at a temperature t0 and pressure p0 at a particular location the
a women dropped dropped her iphone 1400-feet when taking a picture on a plane a few days later it was returned to her
1 consider combustion of hydrogen in pure oxygen under constant pressure in a two-inlet and single-exit reactor the
1 determine the change in entropy for 10 mole of an ideal gas originally confined to one-half of a 50-l container when