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A 12.7 mm diameter twist drill is used to drill a hole in a low-carbon steel workpiece using a feed of 0.3 mm/rev and a spindle speed of 700 rpm. Calculate (1) the material removal rate, (2) the tangential cutting force, and (3) the torque and power required for the operation.
Also determine the axial force and deformation of the diameter due to temperature rise. Let E = 120 GPa and Co-efficient of linear thermal expansion = 0.0000168 per °C.
a stream of refrigerant-134a at 1 mpa and 12 c is mixed with another stream at 1 mpa and 60 c. if the mass flow rate of
DOF system and Find the differential equation describing the system
the position of the l-shaped rod shown is controlled by a cable attached at b. knowing that the rod supports a load of
the us energy consumption rate for 2011 is available in existing public data bp.comstatisticalreview bp statistical
Discuss the factors beyond crystal structure, quenching and temperature that affect he results of a specimen in a Charpy V notch impact testing.
a jet of water impinges on a vane and is deflected as shown. the volume flow rate is q 0.16 m3s and the nozzle speed
a roast is in an oven and weighs 2.25 kg. it is initially at 6 degrees celsius and needs to be heated to 80 degrees
a 80 kg resting person with a constant core temperature near 37 c transfers heat at the resting rate to hisher
saturated liquid water is heated at constant pressure in a steady-flow device until it is a saturated vapor. calculate
initially an insulated rigid tank contains 3.73 kg of water at 240oc and 1 mpa. a heater in the wall of the tank
a 2mm straight stockpiece of steel has a 90dbend. the total length of the unbent piece was 64mm. from the end of the
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