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A steel shaft of radius r=75mm is subjected to an axial compression P=81kN, a twisting moment T=15.6kN.m and a bending moment M=13kN.m at both ends. Calculate the magnitude of the principle stresses, the maximum shear stress and the plane on which they act on the shaft.
refrigerant 134a enters a compressor operating at steady state as saturated vapor at -4 degc and exits at a pressure of
the motion of a particle is defined by the equations x10t-5sint and y10-5cost where x and y are expressed in feet and t
A light aircraft with a wing area of 200 ft2 has a lift coefficient of 0.4 and a drag coefficient of 0.05. the power required to maintain level flight is 66hp. determine the weight of the airplane. recall power is force in the direction of velo..
Both cars undergo constant acceleration. Determine the time when the two cars pass each other on the highway.
a thermopane window consists of two 6-mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal
the uniform work platform which has a mass per unit length of 21 kgm is simply supported by cross rods a and b. the
If the maximum temperature in the cycle is not to exceed 2200 K, determine the thermal efficiency and the mean effective pressure.
a first class lever in static equilibrium has a 50lb resistance force and 15lb effort force. the levers effort force is
a water pump pumps out 2400kg of water pr min. a if water coming out with a velocity of 3ms what is power of the pump?
Helium enters subsonically and flows isentropically through the converging-diverging duct. Compare the values of Ma, T/T0, and P/P0 for helium with those for air at several locations in the duct. Use 0.163 ≤ Ma ≤ 3.221.
Assume disturbance torques are zero and spacecraft moment of inertia is 400 kg.m2
the magnesium alloy modulus of elasticity e 44.7 gpa coefficient of thermal expansion 2610-6oc tube ab is capped with
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