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The following heat engines produce power of 95,000 kW. Determine in each case the rates at which heat is absorbed from the hot reservoir and discarded to the cold reservoir.
A Carnot engine operates between heat reservoirs at 750 K and 300 K.A practical engine operates between the same heat reservoirs but with a thermal efficiency h = 0.35.
If we want to correct the power factor to 0.9 lagging, what is the value of Q we need to inject.
Improve the controller designed in part by introducing a mechanism for the disturbance compensation at the plant input. Illustrate advantage of the improved controller by applying the fast varying piecewise constant reference input vector and sinu..
two loads connected in parallel are supplied from a single phase 240v rms source. the two loads draw a total real power of 400 kw at a power factor of 0.8 lagging. one of the loads draws 120 kw at a power factor of 0.96 leading.
Increasing the number of SIMD processors to 15 (assume this change doesn't affect any other performance metrics and that the code scales to the additional processors)
Knowledge about Circuit Analysis, A 5.1K resistor is connected between the cathode of a 6.2V zener diode and a 12V power supply
Is the second law satisfied? Will this refrigerator still satisfy the second law if its coefficient of performance is 6?
The signal transmitted by a Base Station has a power of 1 mW at a distance of 1 m from the transmitter. Measurements have shown that the propagation exponent for the path loss is n=3 up to a distance of 1 km and n=4 beyond that.
With V=100V, the instantaneous power into a network N has a maximum value 1500 W and a minimum value ?247 W. (1) Find a possible series RL circuit equivalent to N. (2) Find S=P+jQ into N.
What annual revenue is required to cover fixed costs? What will be the annual variable costs? How much will electricity cost per kWh?
Current Pulses over a Twisted Pair Telephone Line, A twisted pair telephone line has a constant attenuation between 0 Hz and 3300 Hz and linear phase shift with frequency
What is the primary purpose of a resistor in series with a LED being driven by a flip-flop?
why sinusoidal wave is chosen for AC fundamentals rather than a simple curve such as square or triangular wave?
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