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A cylindrical aluminum specimen having an original diameter of 12.8 mm (0.505 in.) and gauge length of 50.80 mm (2.000 in.) is pulled in tension until fracture occurs. The diameter at the point of fracture is 10.1 1 mm (0.398 in.), and the fractured gauge length is 55.75 mm (2.195 in.). Calculate the ductility in terms of percent reduction in area and percent elongation.
two steel shafts are made of cold-drawn steels having ultimate tensile strengths of 185 kpsi and 240 kpsi respectively.
a certain material 2.5 cm thick with a cross-sectional area of 0.1 m2 has one side maintained at 35oc and the other at
a pistoncylinder has 1 kg propane gas at 700 kpa 40degc. the piston cross-sectional area is 0.5 m2 and the total
Shows an electric-circuit which is called a phase-lag network. Derive the transfer function and consider the above bock-diagram of figure (3). You are now required to derive the transfer function Y(s)/R(s), by using the signal flow graph meth..
At a given instant in time, flywheel OA is caused to rotate with angular velocity of w=2rad/sec and angular acceleration of alpha=6rad/s2. determine the angular velocity of links AB and BC at this instant in time. AB=.5m, BC=.4m, OA=.3m
during this process heat is exchanged with surrounding such that the entire air remains at 30 degree celsius at all times.determine the heat transfer for this process.
the setup for grinding a type of bearing is considered under control if the bearings have a mean diameter of 5.000 mm.
earth is required to be excavated from borrow pits for building an embankment. the wet unit weight of undisturbed soil
determine the required diameter for the uniaxial tensile loaded two-force component if the failure criterion is
Steam at 15 bar and 350 degrees C is expanded through a 50% reaction turbine to a pressure of 0.14 bar. The stage efficiency is 80% for each stage and the reheat factor is 1.05.
. the exhaust nozzle of a jet engine expands air at 300kpa and 200oc adiabatically to 100kpa. determine the air
What is the initial velocity of Block B, constant acceleration of Block A, velocities of both blocks at t=3s, and the total distance traveled by block B from t=0s to t=3s?
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