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Ten digital signals are to be time-division multiplexed and transmitted over a single channel. What must the capacity of the channel be if each signal is sampled at 10 kHz and encoded with 10 bits?
consider an air-standard brayton cycle. what is the efficiency of the brayton cycle if the pressure ratio is 20 and the
a partivcle along a plane cirve from point a to a point b. the path length between a and b is 60 in. the speed at a is
a 20-lb force is applied to the control rod ab as shown. knowing that the length of the rod is 9 in. and that alpha 25
Steam enters a converging nozzle at 800 kPa and 280 C with negligible velocity. If the expansion is isentropic, what is the minimum pressure that can be reached in such a nozzle and what is the cross-sectional area at the nozzle throat at this pressu..
because of poor lubrification the pulley must overcome a constant friction moment of 12 nm as it rotates. assuming no
Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's circle). Give the answer in degrees.
If the coefficient associated with free convection heat transfer from the surface to the air is 15 W/m2 · K, what is the rate of heat loss from the surface per unit length of pipe?
A large manufacturing space with an average floor to ceiling height of 30 ft has a floor area of 5000 ft^2. The total infiltration rate for the space is estimated to be 1.5 air changes per hour. The inside design temperature and relative humidity are..
Given the following differential equation: 4x'''+3x''+7x'+4.6x=5sin(t), Derive the state space representation. Derive the characteristic equation.
Starting with the differential form of the fundamental entropy equation for dS (see Eq1 below and the total differential for dU as a function of V and T. Assuming N is constant, derive an equation for dS dependent on only dV and dT. Provide Each s..
The throughflow of metal is increased until burnout occurs. At that point the metal temperature is 250?C and h inside the tube is 9600 W/m2K. What is the wall temperature at burnout?
superheated steam at 120 bar and 520c leaves the steam generator of a vapor power plant and enters a turbine with an
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