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A pump accepts liquid water at 60 °F and 14 psia and compresses it isothermally to a pressure of 100 psia. The pump has a constant volumetric flow rate of 100 ft3/min and may be assumed to be adiabatic. Using the 1st Law for SSSF system and neglecting potential and kinetic energy of the water, a) determine the input power of the pump (hp), b) the diameter of inlet/outlet ports such that the fluid speed will be 10 ft/s (inches).
Temperature Effect on Materials (i) A hollow cylinder of aluminium 1 m long with a 40 mm outside diameter is at a temperature of 20 °C. What is the change in length and circumference of the cylinder when it is cooled to â?'25 °C
a rankine cycle is used to generate electricity with a total plant capacity of 65 mw. heat from the condenser is
A body with a plane stress field has material properties E, ν and has the following displacement field
a process occurs taking 5kg of mass from state a to state b. the work during this adiabatic process is 5kj. the change
argon at 2mpa and 500oc enters an isentropic turbine. the temperature of argon at the outlet is 20oc. determine the
matt has perfected the art of bungee jumping such that from a bridge above a river he can fall and just touch the
a househusband is steaming beef for his family in a pan with a surface area of 23.544 cm2 that is covered with i a 50 g
the hot water needs of a household are met by a 60 l electric water heater whose heaters are rated at 1.6 kw. the hot
Friction between the piston and cylinder wall can be neglected because the process occurs so slowly. For the air, determine the initial and final pressures in kPa and the boundary work for the process in kJ.
a pump is used to move water from a lower reservoir to an upper reservoir. the water surface elevation in the upper
a material is sought for a high speed centrifuge. the objective is to acheive as high an angular velocity w of the
Determine the force in member BC. After the truss is sectioned use a single equation of equilibrium for the calculation of each force. State if these member is in tension or compression. Take F1 = 2 kN , F2 = F3 = 3.8kN , F4 = 5 kN, F5 = 3 kN.
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