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If a bar of SAE 1040 is to be turned with a high speed steel tool with a feed of 0.015" per revolution, and a depth of 0.050". Previous experiments have revealed that the following cutting velocities yielded the following tool lives, 90 fpm for 30 min. 80 fpm for 90 min. 75 fpm for 150 min. a) estimate the cutting speeds to get tool lives of 60 and 120 minutes. b) calculate the mrr at the two speeds found in part a).
determine the design stress for bolts in a cylinder cover where the load is fluctuating due to gasnbsppressure. the
Calculate the mass flow (in slugs/per second) that comes out the exit of the engine. The plane is at standard altitude 50,000 ft and velocity = 2200 ft/s. Would appreciate attack to problem.
Determine the crack growth for cycle #3 using Wheeler's retardation model (m=2)-finite width correction factor for SIF
The plate fin heat exchanger uses gaskets to separate oil and water paths. Since this unit is used in trucks, vibration should also be considered. Run a FMEA analysis and suggest the possible solution to avoid future failure.
Finding exit velocity from air nozzle, Air enters a nozzle operating at steady state at 800 ºR with a negligible velocity and exits the nozzle at 570 ºR.
the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0
a tensile member of 2024-0 aluminum alloy used for aircraft fuselage had an original cross-sectional area of 4.0square
1. calculate the magnitude of the moment about the base point o of the 600 n force.2. the coefficient of static and
the height of an inaccesible mountain peak c must be estimated. fortunately two smaller mountains a and b which can be
consider a 2-d incompressible velocity field are given u ax b and v -ay cx where a b and c are constants. a check
A 20-mm diameter rod made of a ductile material with a yield strength of 350 MPa is subjected to torque of 100 N.m and a bending moment of 150 N.m. An axial force is then gradually applied. Determine the value of force when the rod begins to yield..
a weight attached to a spring of stiffness 525 nm has a viscous damping device. when the weight is displaced and
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