find the solidification time of the two iron castings when both are poured
(with no superheats...
Engineering, 25.12.2019 03:31 drcarver
find the solidification time of the two iron castings when both are poured
(with no superheats) into the sand molds at initial temperature 28°c.
(i) a slab shaped casting of 10 cm thickness, (ii) a sphere of 10 cm in dia. iron: freezing temp: 1540°c; l= 272 kj/kg; density = 7850 kg/m3 sand: c = 1.17 kj/kg-k; k = 0.865 w/mk; density = 1600 kg/m3
Answers: 2
Another question on Engineering
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 18:10
An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet
Answers: 3
Engineering, 04.07.2019 18:10
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
Answers: 2
You know the right answer?
Questions
Mathematics, 14.07.2019 12:00
Spanish, 14.07.2019 12:00
History, 14.07.2019 12:00
History, 14.07.2019 12:00
Mathematics, 14.07.2019 12:00
World Languages, 14.07.2019 12:00
Chemistry, 14.07.2019 12:00
History, 14.07.2019 12:00
