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If a solar system delivers 2500 MJ/m2 ·year with a water flow rate of 30 kg/mc2 and a plate efficiency factor F′ = 0.93, how much energy will it deliver if the flow rate is doubled? Neglect the effect of flow rate on F′. The collector has a heat loss conductance of 4 W/m2°C.
liquid sodium leaves a nuclear reactor at 1500 f and is used as the energy source in a steam power plant. the condenser
the flow rate of liquid metal into the downsprue of a mold 1 ls. the cross-sectional area at the top of the sprue 800
Assuming the volume of the tire remains constant at 0.035 m3, determine the percent increase in the absolute temperature of the air in the tire.
the triangular plate rotates about a fixed axis through point o with the angular properties indicated determine the
The data obtained in a two-plane balancing procedure are given in the table below. Determine the magnitude and angular position of the balancing weights, assuming that all angles are measured from an arbitrary phase mark and all weights are added ..
As shown in the picture, air flows through a pipe. Heat is supplied to the airflow. The air at the inlet is 200kPa and 20 C with flow velocity of 5m/s. The exiting air is 180 kPa and 40 °C. The diameter of the pipe is 0.28 m. Determine (a) the volume..
Can the program counter be eliminated by using the top of the stack as a program counter?
A 45 kg machine is mounted on a spring of stiffness 8x10^5 N/m. When the machine is set to vibration by a 32 Hz excitation, the machine's amplitude is measured as 1.5mm. What is the amplitude of the excitation provided to the machine? Ignore damping ..
two uninsulated rigid tanks contain air. initially tank a hold 1 lbm of air at 1440 degrees r and tank b has 2 lbm of
A cantilevered beam with a rectangular cross section is loaded by a force perpendicular to the beam center line at the free end. The cross section is 100mm high and 25mm wide. The vertical load at the beam end is 40,000N.
1 kg of steam occupies a volume of 0.2 m3 at 9 bar in a closed system. the steam is then heated at constant pressure
what is the maximum gauge pressure in the odd tank shown in the figure? where will the maximum pressure occur? what is
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