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A plane element is subject to the stresses x= 50 MPa ard y=-50 MPa.From Mohr's cirele determine the stresses acting on a plane inc lined at 20 to the -axis.
I am also doing electrophoretic coating on Mg alloy in propanol suspension, but I have queries related to that is it possible that Mg(OH)2 is formed during any of the stages of HAP coating.
A man of mass 80 kg is travelling in a lift which is moving upwards. If the lift
comes to rest from a velocity of 2 m/s in a 2 seconds, find the force exerted by the
man on the lift floor if the deceleration is constant. What would be the reaction if the
lift were travelling downwards?
Which parameters of an op-amp become significant for a fast varying ultra low input voltage signal? What should be the values of these parameters for a triangular wave
signal of ±5 mV peak to peak with 50 MHz frequency given to a unity gain op-amp amplifier?
Suppose that Vmax value read from the graticule on an oscilloscope screen is 4.6 divisions and Vmin is 0.7 divisions. Calculate the modulation index and percentage of modulation.
Two kg of steam with a quality of 30% is heated at a constant pressure of 300KPa until the
temperature reaches 600 °C. Calculate the work done by the steam
The heat transfer from a 2 m diameter sphere to a 25 °C air stream over a time interval of one
hour is 3000 kJ. Estimate the surface temperature of the sphere if the heat transfer coefficient is
10 W/m2 K
Determine the moving boundary work done by the atmosphere (14.7 psia) as a cube of ice
2.00 inches on a side melts into a pool of liquid water. At 32.0 °F, the density of ice is
3
57.2 lbm ft
and that of liquid water is
3
62.4 lbm ft .
Determine the heat transfer rate, in
Btu/h,
required to cool a 200. kW electric generator that is
driven by a 300. hp diesel engine. Note: The generator will run cool if it has a zero net energy
transport rate.
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