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a wheel is rotating at a uniform clockwise speed of 2 rads when a variable torque is applied to its shaft at time0 as a
a ball is projected vertically with a velocity of 40ms three seconds later a second ball is projected vertically with a
in a yogurt-filling line the containers are filled with 1 kg of yogurt the mass of the yogurt is measured while the
the actual irreversible components of a small brayton cycle gas-turbine engine are shown the cycle pressure ratio is 15
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a cantilevered beam with a circular-tube cross section has an outer diameter of 100 mm and a wall thickness of 10 mm
determine the minimum diameter of a solid shaft used to transmit 500 kw of power from a 3000-rpm motor so that the
azeotrope of chloroformndashmethanol vaporndashliquid equilibrium data at 1013 kpa are given for the
air enters an adiabatic nozzle at 518 mpa and 400k with a velocity of 20 ms the air exits at 200mpa determine the
a piston cylinder contains 1 kg of r-134a and undergoes a reversible compression process during the process the r-134a
the acme company claims to have designed an adiabatic turbine that will produce 1262 btu per pound of steam the
1 the linear impulse and momentum equation is obtained by integrating the with respect to timea friction forceb
the vibrations of an engine mount are to be monitored by an accelerometer which can be treated as a second-order system
a pump delivers 40 litresmin to a 90 mm bore30 mm rod cylinder to lift a load of 200 kg what is the pressure exerted on
you notice that the ceramic coffee mugs in the office get too hot to hold about 10 seconds after pouring in the hot
the weather channel reports that it is a hot muggy day with an air temperature of 90degf a 10 mph breeze out of the
a 4 kw motor is driving an oil pump with an efficiency of 95 down a 10 mm diameter pipe if the velocity of the fluid
a thin flat plate 6in square with a surface temperature maintained at 250degf is tested for drag in a wind tunnel with
air at 22 kpa 220k and 250 ms enters a turbojet engine in flight at an altitude of 10000m the diffusor slows the air
if you knew how much voltage you would generate with a given device and you needed to convert that electrical energy
a heat pump is used to heat a building the outside air temperature is -10 c and the desired inside temperature is 203 c
a carnot refrigerator using r-134a absorbs heat from a refrigerated space at 0oc and rejects heat to a kitchen at
in a combustion process taking place in a sealed container 160kg of methane is burned in 560kg of o2 and 1845kg of n2
first law of thermodynamics1 stone mountain near atlanta ga has a sky ride which a gondola is suspended from a cable
a regenerative gas turbine is planned to operate with inlet conditions of 100 kpa and 300 k a pressure ratio of 6 a