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The cam consists of a circular cylinder A with a circular hole to reduce its moment of inertia and a circular shaft BC about which it rotates. If the cam is made of cast iron with 7200 kg/m3 density, determine the mass moment of inertia about the z axis.
Estimate the power dissipated by a single chip if it is operating at 50% of the critical heat flux. What is the corresponding value of the chip temperature?
a large fireplace in a ski lodge has a glass firescreen which covers a vertical opening in the fireplace. the opening
a 6 nominal pipe size schedule 40 steel pipe has a chamfered entrance and 300 ft. long. the velocity is 20 ft per sec.
Find the fixed points of the mapping.
to what temperature would a constrained rod of aluminium with a diameter of 50 mm need to be heated if it is expected
A steel bar, 20 mm in diameter and 200 mm long, with an emissivity of 0.9, is removed from a furnace at 455°C and suddenly submerged horizontally in a water bath under atmospheric pressure. Estimate the initial heat transfer rate from the bar.
gold au forms a substitutional solid with silver ag. compute the weight percent of gold that must be added to silver to
how does the total free energy for transformation ?gtotal vary for a liquid-solid transformation versus that for a
Air enters the turbine of a gas turbine at 1200 kPa and 1200 K, and expands to two stages. Between the stages, the air is reheated at a constant pressure of 350 kPa to 1200 K. The expansion through each turbine stage is isentropic.
the setup for grinding a type of bearing is considered under control if the bearings have a mean diameter of 5.000 mm.
Calculate the time-averaged Poynting vector using the fields in Eqs.(17.99) and (17.100). Show that real power propagates in the z direction and reactive power exists in the x direction.
In the two-shield configuration of part (a), the air gaps formed by the annular concentric tubes are L = 10 mm. Calculate the heat loss per unit length if the gap dimension is L = 15 mm. Do you expect the heat loss to increase or decrease?
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