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if an elevator starting from rest accelerates at 10ms and then decelerates at -1ms until it reaches the top floor
a mass of 05 g of air is contained in a piston-cylinder device initially the system is at 100 kpa and 25degc the system
helium gas is contained in a rigid vessel of 05 m3 at 500 kpa the gas is agitated violently by a stirrer that transfers
the amount of heat dh 32718 kj is added to an open volume of 1m3 of air at standard sea level conditions causing it to
steam at 75 kpa and 13 percent quality is contained in a spring-loaded piston-cylinder device as shown in the figure
at what equivalence ratio for octane-air mixtures does the carbon to oxygen ratio of the system equal one why is this
a laminated thick-walled cylinder was fabricated by shrinking a steel e200 gpa and nu003 sleeve having an inside
compare the inlet steam mass and volume flow rates in pound mass per second and cubic feet per second of a a
the pressure in a tire depends on the temperature of the air in the tire the gage pressure of an automobile tire with a
air enters an 8rdquo diameter pipe at atmospheric pressure at a velocity of 30 fts and 65 f and exits at approximately
a laminated steel e200 gpa and nu03 cylinder consists of a jacket with an inside diameter of 250mm and an outside
energy balance property tables phase changesconsider water in a pot on an alien planet you will the pot with 1002 l
two well-insulated tanks filled with carbon monoxide co gas are connected by a valve in tank a 1 kg of gas is stored at
determine the total mass of nitrogen n2 in kg required to inflate all four tires of a vehicle each to a gage pressure
one kilogram of air in a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processes process
a tank contains a two-phase liquid-vapor mixture of refrigerant 134a at 10 bar the mass of saturated liquid in the tank
kinematic viscosity select all that applya is only used with compressible fluidsb has dimensions of l2tc is dimensions
pure methane initially at 3000 psi 65 of enters a pipeline of 12-in inside diameter at a rate of 70 lbs using the
one kg of air in a piston-cylinder assembly undergoes two processes in series from an initial state where p1 05 mpa t1
a rigid tank with a volume of 18 m3 contains 15 kg of saturated liquid-vapor mixture of water at 2 bar now the water is
a find the specific enthalpy of r22 at 28 oc and a specific internal energy of 12058 kjkgb evaluate t v and h for water
a piston-cylinder assembly contains a two-phase liquid-vapor mixture of h2o at 160 lbfin2 with a quality of 70 the
a steam engine functions by converting liquid water to steam which is then used to drive a rotating shaft this engine
calculate the appropriate speed in rpm and table feed rate in inches per minute for face milling 1212 steel hb 125 with
a centrifugal compressor has 23 radial vanes and an exit area equal to 012 m2 where the radial velocity is 27 ms and