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1. A 50 mm diameter solid circular shaft transmits the power at 400 rpm. Find the maximum horsepower if the allowable shearing stress is 50 MPa.
2. Calculate the horsepower that a solid circular shaft 5 in. in diameter transmits at 200 rpm if the allowable shearing stress is 7,000 psi.
3. Calculate the developed torque on a hollow solid circular shaft 3 in. outer diameter and 2 in. inner diameter if the allowable shearing stress is 8,000 psi.
At approximately what temperature (in Kelvin) would a specimen of an alloy have to be carburized for 1.8 h to produce the same diffusion result as at 930°C for 14 h? Assume that values for D0 and Qd are 2.8 × 10-4 m2/s and 137 kJ/mol, respectively.At..
The w 310 * 129 structural A -36 steel column has a length of 4 m. If it's bottom end is fixed supported while it's top is free determine the largest axial load it can support use a factor f safety with respect to buckling of 1.75. E = 210 GPa , QY =..
a dam in western north carolina takes a 30 m3 s flow of water from the nantahala river and diverts it to a turbine
a circular hollow steel drill pipe should not stretch more than 5mm when it is subjected to a tensile load. knowing
an airplane has a mass of 30mg and its engines develop a total thrust of 50kn during take-off. if the drag d exerted
an adiabatic turbine expands steam from 500 c and 4000 kpa to 200 c and 300 kpa. the tubrine geneateds 750 kw of power.
While visiting San Diego, you find an old milk pitcher at the thrift shop and suspect that it is valuable because the metal is really soft, like most noble metals. You know that silver and platinum look similar, but have way different thermal conduct..
A Dual cycle has a compression ratio of 15:1. The state at the beginning of compression is 14.4psi and 60F. The volume ratio during the constant pressure part of the heat addition process is 2:1. The pressure ratio during the constant volume heat add..
two well-insulated and rigid vessels are interconnected by a pipe and a valve. one 85 liter vessel contains oxygen at
A very rough plate is placed in water. The plate is held constant at a temperature of Ts = 350K, and water flows over the plate at Tinfinity = 300 K. It is desired that the heat lost from the upper surface of the plate be q'' = 1.2 MW/m2. If the plat..
consider a regenerative rankine cycle with a 600c and 4-mpa throttle a 5-kpa condenser and an open feedwater heater at
a piston-cylinder contains nitrogen at a temperature of 50 degc a pressure of 500 kpa and a volume of 10 liters. a
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