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A power station output is 500 megawatts. During a test it is found that this represents 28% of the energy put into the plant by means of burning coal in the boilers. The coal used liberates 29.5 MJ/kg. Determine the mass of coal burnt by the power station in 1 hour.
the air velocity in a duct is measured by a Pitot-static probe connected to a differential pressure gage. if the air is at 13.4 psia absolute and 70 degrees C and the reading of the differential pressure gage is 0.15 psi, determine the air velocit..
If water leaves the basement at 88C, determine the rate of heat loss from the weather.
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
during an emergency launch operation to fill a missile with rp-4 a kerosene-based fuel the ullage volume of the fuel
Problem Statement Consider the landing gear shown below. Working in teprns of two, come up with a single optimized design for given operational conditions and design considerations
the area of a rectangle with a perimeter of 200 cm is modeled by a function a 100l - l2 where l is the length of the
Friction between the piston and the cylinder wall can be neglected. For the air, determine the initial and final pressures, in kPa, and the work, in kJ.
(a) determine the first three natural frequencies of the tube (b) Draw the standing wave pattern for both pressure and velocity (c) repeat parts a and b if the right one end is attached to an orifice (Hint: consider the impedance of the orifice to..
The linear joint (Type L) of a certain industrial robot is actuated by a piston mechanism. The length of the joint wehn fully retracted is 600 mm and when fully extended is 1000 mm. If the robot's controller has an eight-bit storage capacity, dete..
what is the rotation matrix for an object rotation of 30o around the z axis followed by 60o around the x axis and followed by a rotation of the y axis. all rotations are counter clockwise.
Using a centrifugal pump, and a flow rate of 60 gal/min, calculate the break hp of the pump using water with a density of 62.4lbm/ft3 and do the same for a nonviscous liquid having a density of 0.85g/cm3.
a calculate the number of electrons in a small electrically neutral silver pin that has a mass of 8.0 g. silver has 47
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