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Water for a hydro-electric station is obtained from a reservoir with a head of 100 metres.
Calculate the electrical energy generated per hour per cubic metre of water if the hydraulic efficiency be 0.86 and electrical efficiency 0.92.
where i is the current at time t, and k is a constant. Assuming that optical losses are negligible for the arrangement, derive expressions for the amplitude and frequency of the AC component of the signal delivered by the photodiode.
Draw a circuit that shifts cyclically a register to left or toright ans is also able to preserve this register's state. Given aretwo controls C1 and C2 that select any of these three operations.use only NOT, AND and OR gates and D type flip flop.
Considera causal LTI system. When the input to the system is u(t-5) the unilateral Laplace transform of the output is Y(s)=(e^-6s -e^-9s)/s^2 Determine and sketch the output of the system when the input is x(t) shown below:
Explain how this can be accomplished.
Now assume that the victim's DNS cache has a genuine NS record for the domain the attacker is targeting. i. Can the attacker still be successful at poisoning the A records for some of the names belonging to the domain?ii. Can the attacker poison th..
Consider a diode biased at 1 mA. Find the change in current as a result of a changing the voltage by (a) -10 mV, (b) -5 mV, (c) +5mV, (d), +10mV. In each case, do the calculations (i) using the small-signal model and (ii) exponential model.
Confirm the suitability of the zone transformer impedance, and zone transformer neutral earthing impedance and The zone substation transformer overcurrent and earth fault relay settings on HV.
a) Calculate alpha, omega-sub-delta, and omega-sub-zero. b) write the equation which describes the current i for t>0. c) determine the maximum value of i, and the time at which it occurs, if the inductor initially stores no energy and v(0-)=9V.
1. (35) Two unlabeled boxes contain KCl and CsCl for analysis using XRD. The diffraction maxima are observed from the (111) planes, using X-rays of wavelength 0.0862 nm. a. What is the diffracted beam angle, q (with respect to the plane) for b..
A cylindrical wire of silicon has a radius of 1 mm and a length of8 cm. If a voltage of 5V is applied between the ends of the bar andμe = .11 m2/Vs, μh = .04m2/Vs, Ne = 1020electrons/m3 and Nh=Ne find the following
A family selects two phones from a box containing cellphones: four are Nokia, marked N1, N2, N3, and N4. The other three are Samsung, marked S1, S2, and S3. Two phones are picked randomly in succession without replacement.
Tuning methods for PID controllers, Investigating tuning methods for PID controllers of 2nd order and 3rd order control systems. Eg. Zieglar Nichols, etc
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