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A 50-lb sphere with a radius of qyration of 0.4 ft is accelerated about its centroidal axis. Determine the torque (moment) required to accelerate it from rest to 800 rpm in 15 seconds.
The Brayton cycle shown in figure 6.41 operates using CO2 as a working fluid with compressor and turbine isentropic efficiencies of 1.0. Calculate the thermal efficiency of this cycle when the working fluid is modeled.
The unit cell for uranium has orthorhombic symmetry with a, b and c lattice parameters of 0.286, 0.587, 0.495 nm, respectively. If its density, atomic weight, and atomic radius are 19.05 g/cm3, 238.03 g/mol, and 0.1385 nm, respectively, compute th..
An engine block with a surface area measured to be 0.90m2 generates a power output of 55 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157oC and the average convection heat transfer coefficient of 60 W/m..
If the peak pressure and peak temperature of the cycle are 4.8 MPa and 2500, determine the net work done per cycle (kJ/kg) and the cycle thermal efficiency .
heat in the amount of 500kj is transferred directly from a hot reservoir at 727oc to a cold reservoir at 327oc.
Knowing that the bracket AB has a uniform thickness of 5/8 in., determine the principal planes and principal stresses at point H.
a transparent rigid container is filled with 2 gallons of water. initially the pressure is measured to be 10.2 psig
knowing that at the instant shown assembly a has a velocity of 9in.s and an acceleration of 15 in.s2 both directed
Finding Metal Removal Rate In an electrochemical machining operation, the frontal working area of the electrode is 2.5in squared
What are the methods used to determine if a sensing or measuring device is malfunctioning ?
estimate the land area required to grow willow that would provide 1 gw of power in a region where the annual solar
in measuring the strains applied to a symmetrical i beam a full bridge is used. two strain gages are attached to the
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