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At a certain position in a piping system, a fluid with a specific gravity of 1.50 passes through an 8-cm diameter pipe with a velocity of 1.2 m/s. At some point downstream the elevation of the pipe has increased by 15 m and the pipe size has been reduced to 5-cm diameter. The temperature of the fluid remains constant at 30 degrees Celsius during this process. A heat loss of 25 N-m/kg occurs in this process however. Determine the change in pressure between these two locations.
One kilogram of air in a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processes: Process 1-2: Constant specific volume At state 1, the temperature is 323 K, and the pressure is 1 bar. At state 2, the pressure is 2 bar...
1750g of air performs an expansion work of 3100kJ on the surrounding as it expands isothermally to a pressure of 63000kPa ad a volume of 0.065 cubic meters. Determine the temperature of the air and the initial volume.
a jet engine propels an aircraft at 300 ms through air at 60 kpa and 0 c. the inlet diameter of this engine is 2 m the
a discuss the assumption that when a piece of metal is deformed at constant temperature its volume is unchanged.b a
a stepladder consisting of two legs pinned together at c is resting on a rough floor. will a 160-lb worker be able to
question 1approximate the torque and power necessary to rotate the inner 20 cm diameter cylinder shown in figure 1. sae
1 demand for a particular product is normally distributed with a mean of 100 units and a standard deviation of 20 per
a fenced enclosure consists of a rectangle of length l and width 2r and a semicircle of radius r as shown in figure
a stone wall in an old house can be modeled as a homogenous plane wall 225 mm thick. estimate the heat loss through the
5000 kghr of water will be heated from 20o c to35o c by hot water at 140oc a 15o c hot water temperature drop
Air enters an adiabatic compressor at 0.1 kg/s, 100 kPa, 25 °C and exits at 700 kPa. (a) Draw a schematic of the system. Determine (b) the minimum power input (kW) and (c) the entropy generation rate (kW/K)
1. a system contains water at 4.0 mpa and 275 degc. the phase of water isa liquid onlyb liquid-vapor mixturec vapor
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