Engineering, 20.02.2020 04:22, darkghostmist
Convert the analog voltage E(t) = 2sin4πt mV into a discrete time signal. Specifically, use sample time increments of a. 1/8 second b. 1/5 second c. 1/3 second d. 1/21 second use a data set of 128 points. Plot 4 seconds of each series as a function of time. Discuss apparent differences between the discrete representations of the analog signal.
Answers: 2
Engineering, 04.07.2019 18:10, jadeochoa4466
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 18:20, AnonymousLizard52303
A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.
Answers: 3
Convert the analog voltage E(t) = 2sin4πt mV into a discrete time signal. Specifically, use sample t...
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