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A Rankine cycle is to drive an electric generator to produce 600 MW of electricity. The generator is 95% efficient. The boiler is producing steam at 1450 psi and 900 deg F.
1) Three resistors R1, R2 and R3 are connected in series and a supply voltage of 240 V. If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each r
Use MultiSim (or Matlab) to calculate the output signal, V, shown in fig. 3, use eq. 2 for your calculations. Consider the component values given in 2.1. Set the frequency of the input voltage as s
A motorist enters a freeway at 36 kph and accelerates uniformly to 90 kph. From the odometer in the car, the motorist knows that she traveled 0.20 km while accelerating.
Clearly explain the computational advantages of applying lu factorisation when forming and storing the admittance matrix for power network calculations.
A concrete pier of square cross section is 6m high. The sides taper uniformly from a width of 0.5 m at the top to 1.0 m at the bottom.
A Schottky diode and pn-junction diode have cross-sectional areasof 10-4cm2. The reverse saturation current density of the Schottky diode is 5*10-8A/cm2 and thereverse saturation current density of
A hydraulic shear applies 2000 lb force to a wedge. It is used to shear plate steel to rough size. The shear has a 1/4 inch thick cutting blade with a 45 degree slope. What is the ideal mechanical adv
Consider a Cartesian co-ordinate system on a plane (the plane lines on the x- and y-axis). A current of 100 A is flowing up out of the plane at the origin. Find the MMF drop between the point x=
The diffusion constant (Do) and activation energy (Q) of C in BCC Fe is 0.01 cm2/sec and 80kJ/mol respectively. In FCC Fe, the values are 0.21 cm2/sec and 148kJ/mol.
Assume initially that the demand and supply for premium coffees (one-pound bags) are in equilibrium. Now assume Starbucks introduces the world to pre- mium blends, and so demand rises substantiall
The total cross-sectional area of the inlet to the jet engines is 20 ft2. Assume that the flow properties of the air entering the inlet are those of the freestream ahead of the airplane.
What is the difference between "Introduction to Computer Communication Networks" course and computer networks course? do they have the same material?
Calculate the static thrusts of the rocket and turbojet engine described in the figure. The thrust T is the force necessary to prevent horizontal movement of the engine.
Rayleigh Scattering. Calculate the % increase is attenuation due to Rayleigh scattering exhibited by light having a free-space wavelength 1535 nm as compared to light having a free space wavelen
A simple U-tube manometer is installed across an orifice meter. the manometer is filled with mercury(specific gravity 13.6), and the liquid above the mercury is carbon tetrachloride (specific gravity
A point charge Q is located at (0,-4,0) while a 10nC charge is uniformly distributed along a semicircular ring as shown in Fig. 4.25 (semi circle in the xy plane from x= -2 to x =2, y=2) Find th
Consider some hypothetical X+ - Y - ion pair for which the equilibrium interionic spacing and bonding energy values are 0.38 nm and - 6.22 eV respectively.
During an AP, the membrane potential typically moves from -70mV to +20mV and back again. In a cell with 10um radius and 1uF/cm^2, how many charges need to move across the membrane (and back agai
A wheel barrow is used to lift a 200 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 5 ft. 5. What is the ideal mechanica
A micrometer caliper is used to measure the diameter of a bolt and a reading of 0.768 inches is obtained. Based on this measurement, find the smallest possible diameter and the largest possibl
An Industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance force applied to a 1.5in diameter axle. What is the required actual mechanical adva
The 2.4m wide portion ABCD of an inclined, cantilevered walk-way is partially supported by members EF and GH. Knowing that the compressive force exerted by member EF on the walkway at F is 24.3kN, det
The 18 kg block starts from rest and moves upward when constant forces of 20 N and 40 N are applied to supporting ropes. Neglecting the masses of the pulleys and the effect of friction, determine the
A variable force and appropriate energy transfers are applied to the piston so that the water temperature remains constant as the water expands to a final volume of 14.303 m3.