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Power from a 3200 hp motor is transmitted by a -diameter shaft rotating at 2000 rpm. Bending and axial loads are negligible.
(a) What is the nominal shear stress at the surface?
(b) If a hollow shaft of inside diameter 0.85 times outside diameter is used, what outside diameter would be required to give the same outer surface stress?
(c) How do weights of the solid and hollow shafts compare?
Determine the pseudo inverse without using SVD.
in the ice cream con, L=4in , and Theta = 35 degree, the cone is filled with ice cream such that the portion above the cone is a hemisphere. determine the volume of the ice cream? (usin Matlab program )
a body with the shape of a rectangular parallelepiped moves without slipping on two cylindrical rollers. the mass os
Calculate the torque on each of the two shafts,the power transmitted and the power lost in friction. U=0.3 what is the efficiency of the drive.
distance per tank of gas a car with a 20-gallon gas tank averages 21.5 miles per gallon when driven in own and 26.8
Determine also the duct exit Mach number and sketch the temperature-entropy diagram for each situation.
steam flows through an expansion valve. conditions at the inlet are p1700 kpa and x10.96. the exit pressure p2 is 350
the 12-mg truck drives onto the 350-mg barge from the dock at 20 kmh and brakes to a stop on the deck. the barge is
Inlet and exit kinetic energy fluxes are insifnificant. What is the maximum power that the machine could produce in steady flow if the exhaust pressure were 0.1 MPa? for air r=1.4 and Cp = 1.0035 KJ/Kg-K.
design a closed-system air-standard gas power cycle composed of three processes and having a minimum thermal efficiency
steam enters a turbine at 600 psia 900degf and 250 fts. it expands through a pressure ratio of 101 i.e. to 60 psia and
System A contains one particle, x. System B contains two particles, y and z. The three particles are distinguishable. Each of these systems has the same two accessible single-particle states.
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