Engineering, 26.07.2019 17:10 naomicervero
Air flows down a 20 mm diameter pipe which has a length of 0.8 m. if the velocity at the inlet to the pipe is 200 m/s and its temperature is 30°c, find the average friction factor if the flow is choked at the exit to the pipe. assume the flow to be adiabatic.
Answers: 2
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
Answers: 2
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
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
Air flows down a 20 mm diameter pipe which has a length of 0.8 m. if the velocity at the inlet to th...
Arts, 13.07.2019 09:50
Health, 13.07.2019 09:50
English, 13.07.2019 09:50
Computers and Technology, 13.07.2019 09:50
Social Studies, 13.07.2019 09:50
Mathematics, 13.07.2019 09:50
History, 13.07.2019 09:50
Biology, 13.07.2019 09:50
History, 13.07.2019 10:00