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A 1-m3 rigid tank initially contains air at 150 KPa, 300 K. The tank is connected through a valve to a supply line at 300 KPa, 380 K. When the final pressure in the tank reaches 300 KPa the valve is closed. Due to heat transfer from the tank, the final tank temperature is measured at 320 K. Calculate: a) The mass of the air that has entered the tank, and b) The heat transfer from the tank. (Use Table for air enthalpy and internal energy property values).
A 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lb/ft. The upper block is suddenly removed. Determine (a) the Maximum velocity reached by the 0.5-lb block, (b) the maximum height reached by the..
A 0,5Kg mass attached linear spring suffress 01 N/m. Determine be naturak frequency of the system in hortz e reapert this calculation for a mass of 50Kg and a suffress of 10N/m and compare your result to that of part.
Assuming the plant operates on the ideal vapor-compression cycle using refrigerant 134-a between the pressure limits of 120 and 700 kPa, determine
Large stationary brayton cycly gas turbine power plant delivers a powr output of 100MW to an electric generator . Minimum temperature is 300K so T1= 300k max temp is 1600k
What is the velocity and rate of flow of the metal into the mold? Is the flow turbulent or laminar? (Pure aluminum density ρ = 2.7 g/cm3).
a force of 3 n stretches a spring by 1 m. a mass of 4 kg is attached to the spring. at t0 thenbspmass is pulled down a
as shown in the ?gure a bar is supported by two springs and a damper. the bars left end is free to move vertically and
determine the actual and minimum theoretical operating costs, each in $/day.
Determine distribution of shear force and bending moment
problem 1 air at 29.5ordmc db flows over a cooling coil and leaves it at a state of 13ordmc db and 8.5 gkg absolute
what are the three principal types of critical system ? explain the differences between these.
(a) Determine the surface temperatures on the two sides of the circuit board.
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