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In a turbine air expands from 5 bar, 520°C to 1 bar, 300°C. During expansion 10 kJ/kg of heat is lost to the surroundings which is at 0.98 bar, 20°C. Neglecting kinetic and potential energy changes, determine per kg of air:
(i) The decrease in availability;
(ii) The maximum work;
(iii) The irreversibility.
For air take: c p = 1.005 kJ/kg K ; h = c p T, where c p is constant.
Consider a low-speed subsonic wind tunnel with a 12/1 contraction ratio for the nozzle. If the flow in the test section is at standard sea level conditions with a velocity of 50 m/s, calculate the height difference in a U-tube mercury manometer wi..
Two telephone calls come into a switchboard at random times in a fixed 1-hour period. If the calls are made independently of each other,
List some of the loads that must be considered when sizing the BTU requirements of a walk-in cooler or freezer.
An InP TED is 0.5 pm long with a cross sectional area of 10" cm2 and is operated in the transit-time mode.(a) Find the minimum electron density no required for transit-time mode.
how much current can be drawn from the fourth outlet? Draw a schematic of this wiring.
Devise a circuit that turns the pump on when the switch is set to activate the pump and the vat is not empty.
Write a switch statement to print out "Odd" or "Even" for each integer that is typed on the keyboard depending on whether the integer is odd or even. Only integers from 0 to 9 can be typed on the keyboard.
Design an even parity generator for a 3-bit word. This circuit will have three inputs(the 3 bits of the word) and oneoutput. This output should be 1 if there is an odd number of1s in the input word; otherwise, the output should be 0
Consider the half-wave rectifier below. Assume the transformer output has amplitude 10.0 V and the diode forward voltage drop is zero. (a) What is the average output voltage (b) What's the RMS output voltage
(a) How long does the electron take to travel this 1.50 cm? (b) What is its acceleration?
The show output of an AM transmitter is connected to a spectrum analyzer (calibrated in dBm) and a broadband Power Meter calibrated in Watts. If the spectrum analyzer show is below.
What are the three basic measures of performance of SS No. 7? Give the long-term and medium-term error rates for SS No. 7.
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