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Steam is throttled from 100. psia, 500.°F to 14.7 psia in an isenthalpic process. Determine the change in specific entropy and the exit temperature of the steam using
a. Ideal gas equations.
b. The steam tables.
c. Compute the percent error in assuming ideal gas behavior.
a rigid 0.75 m3 tank initially contains water at 250oc 50 liquid and 50 vapor by volume. a valve on the bottom of the
in gantry crane there are are two motors one for horizontal motion i.e. 400kg weight is to be moved 6m with
determine the required diameter of the wheels. Neglect the rolling resistance between the wheels and the ground.
a tank is fitted with an electrical resistor holds 2 kg of nitrogen n2 initially at 27 degree c 100 kpa. over a period
Using the pi theorem, rewrite this relation in dimensionless form. How does the volume flow change if the pore size b is doubled?
A closed system consisting of 8.25 lb of a gas undergoes a process during which the relation between pressure and volume is pV^n = constant. The process begins with p1 = 18 lbf/in^2 , v1 = 1.25 ft^3 /lb and ends with p2 = 53 lbf/in^2 , v2 = 0.5 ft^3 ..
A shell-and-tube heat exchanger is used to cool a flow of steam using a stream of cooling water. The steam enters the heat exchanger at 0.1 bar and a quality of 91% (state 1), and exits as a saturated liquid at the same pressure (state 2). The mass f..
a steam generator in a power plant consists of two separate heat exchanger devices a boiler which converts compressed
Also, find the clearance space to be provided to the compressor unit.
A fan is to accelerate quiescent air to a velocity to 12 m/s at a rate of 3 m3/min if the density of air is 1.15 kg/m3, the minimum power that must be supplied to the fan is
a paper clip is made of wire 0.7mm in diameter. if the original material from which the wire is made is a rod 25mm in
The plates are 50 mm by 20 mm in size. When parallel to each other, they are 2 mm apart, as shown in Figure 6.46b. When on a plane, they are separated 2 mm while the edges remain parallel. Calculate the range of the capacitor capacitance.
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