Engineering, 14.07.2019 00:20 allenlitterell
Tool life testing on a lathe under dry cutting conditions gauge 'n' and 'c' of taylor tool life equation as 0.12 and 130 m/min. respectively. when a coolant was used, 'c' increased by 10%. the increased tool life with the use of coolant at a cutting speed of 90 m/min is
Answers: 2
Engineering, 04.07.2019 18:10
Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
Answers: 1
Engineering, 04.07.2019 18:20
Air flows over a heated plate à t a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Engineering, 04.07.2019 19:10
10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Tool life testing on a lathe under dry cutting conditions gauge 'n' and 'c' of taylor tool life equa...
Mathematics, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10
Social Studies, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10
English, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10
English, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10
Mathematics, 06.08.2019 02:10