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A water turbine is required to operate at 420 rpm under a net head of 3 m, a discharge of 0.312 m3 /s, and with an efficiency of 0.9. Tests on a 1/6-scale model running at 2000 rpm are to be carried out using water. For the model turbine, determine the head drop, flow rate, output power, and expected efficiency.
Explain the importance of mechanical properties in functional applications (e.g., optical, magnetic, electronic, etc.) using real-world examples. BE SPECIFIC AS MUCH AS YOU CAN
Also, calculate the corresponding radii of gyration r1 and r2, respectively.
a 20 kg object is pulled across a flat surface with a force of 100 n. the force is applied at a 30deg angle to the
What drill has one set of flutes that are ground to more than one diameter? What drill category includes more than one set of flutes allowing multiple diameters? What drill type incorporates a tubular body for high-pressure coolant and a carbide tip?
Give the advantages and disadvantages of each type of automated system.
A circular tube of length L = 0.5 m is loaded in compression forces P (see figure). The outside and inside diameters are 30 mm and 25 mm, respectively.
Points at which the root locus intersects with the imaginary axis and the corresponding gain value
A crank, con rod and piston mechanism is shown below. Determine the maximum acceleration of the piston when the crank speed is 30 rev/min clockwise
Determine the speed at which the clutch starts to engage, the power transmitted at a speed of 1500 rpm.
solid particles having a size of 0.18 mm a sphericity shape factor of 0.91 and a density of 1090 kgm3 are to be
two cylinders are filled with liquid water ? 1000 kgm3 and connected by a line with a closed valve. a has 100 kg and b
A rocket has an empty weight of 500 lb and carries 300 lb of fuel. If the fuel is burned at the rate of 1.5 lb>s and ejected with a velocity of 4400 ft>s relative to the rocket, determine the maximum speed attained by the rocket starting from rest..
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