Engineering, 11.10.2019 05:00 urstruulyemily
An am broadcast station is transmitting at its assigned frequency of 880 khz. the carrier is modulated by a 3.5 khz sine wave. determine the transmitted frequencies.
Answers: 1
Engineering, 06.07.2019 03:30
An ammonia compressor has a 5% clearance volume and displacement rate of 80 l/s and pumps against a condensing temperature of 40°c. for two different temperatures of -10°c and 10°c, compute the mass flow rate of refrigerant assuming the clearance volumetric efficiency applies. discharge specific volume corresponding to-10°c and 10°c are 112.5 l/kg and 95 l/kg, respectively.
Answers: 2
Engineering, 06.07.2019 04:20
Consider a spherical container of inner radius , outer radius r2, and thermal conductivity k. express the boundary condition on the inner surface of the container for steady one-dimensional conduction for the following cases: (a) specified temperature of 50°c, (b) specified heat flux of 30 w/m2 toward the center, (c) convection to a medium at t with a heat transfer coefficient of h
Answers: 2
Engineering, 06.07.2019 05:10
Draw each component in sequence for a steam (rankine cycle) power plant. draw the system boundary needed to analyze this cycle as a closed system. note: this should just be one figure below! else
Answers: 2
Engineering, 06.07.2019 05:30
Measuring the distance between two trees, you measure that there are 75.5 steps between the two trees. give an estimate of the unit of measurement of one step in meters and give an estimate of what you think its uncertainty is. give the distance that separates the trees in meters as well as feet/inches and round to the correct amount of significant digits. what would you say are the uncertainties for the these two distances
Answers: 3
An am broadcast station is transmitting at its assigned frequency of 880 khz. the carrier is modulat...
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