Define the tDetermine the impedance and the phase angle in Figure 76 for the following frequencies: Vs = 18V C = 0.22µF R = 750Ω

A) 1.5 kHz Z=
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θ =
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B) 3.0 kHz Z=
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θ =
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C) 5.0 kHz Z=
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θ =
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D) 10 kHz Z =
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θ =
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false