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The double-axle front suspension is used on small trucks. In a test of the designed action, the frame F must be jacked up so that h = 350 mm in order to relieve the compression in the coil springs. Determine the value of h when the jack is removed. Each spring has a stiffness of 120 kN /m. The load L is 12 kN, and the central frame F has a mass of 40 kg. Each wheel and attached link has a mass of 35 kg with a center of mass 680 mm from the vertical centerline.
in moving from point b in a particular circuit to point a an electron gains 4 aj of potential energy. what is the
a gas contained within a piston-cylinder assembly undergoes three processes in series process 1-2 constant volume from
the system under consideration is an electronic circuit board oriented vertically in 27 degree c air. due to electric
Exhaust steam from a turbine exhausts onto a surface condenser at a mass flow rate of 8000lbm/hr, 2psia, and 92% quality and leaves the condenser as a saturated liquid. Cooling water enters the condenser at 74 degrees far. and leaves at the steam inl..
Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at -16oC with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70oC. Changes in KE and PE from inlet to exit can be ignored. Determine: (a) the volume..
the disk in a computer hard drive spins at 7200 rpm. at the radius of 30 mm a stream of data is magnetically written on
steam flowing in a supply line at 2000 kpa is throttled through a valve to 100 kpa and 120 deg c. determine the
The purification of hydrogen gas is possible by diffusion through a thin palladium sheet. Calculate the number of kilograms of hydrogen that pass per hour through a 5.5-mm-thick sheet of palladium having an area of 0.84 m2 at 500°C.
Calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
a vapor-compression refregeration i.e. reverse rankine system circulates refrigerant 134a at a rate of 6kgmin. the
an oil pump is powered by a 5kw electric motor. the pressure at the outlet and the inlet of the pump at full load is
a reversible carnot power cycle operates between reservoirs th and tl. to increase the thermal efficiency of the cycle
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