Engineering, 16.01.2021 21:10 riri95
compare the factors that should be considered in locating an urban freeway with those for a rural freeway
Answers: 3
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Engineering, 06.07.2019 03:10
An electrical kettle is made out of stainless steel,weighs two pounds (when empty) with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling.
Answers: 1
Engineering, 06.07.2019 03:20
Avertical steel rod of length 2.0 m and diameter 25 mm is rigidly fixed at its upper end and has a flange at its lower, free, end. what will be the maximum stress produced in the rod when a load of 20 kn is applied, (a) gradually to the lower end, (b) suddenly to the lower end, (c) by a collar falling from a height of 50 mm on to the flange?
Answers: 3
compare the factors that should be considered in locating an urban freeway with those for a rural fr...
Social Studies, 25.11.2019 18:31
Mathematics, 25.11.2019 18:31
Chemistry, 25.11.2019 18:31
History, 25.11.2019 18:31
History, 25.11.2019 18:31
Mathematics, 25.11.2019 18:31
History, 25.11.2019 18:31
Mathematics, 25.11.2019 18:31
Chemistry, 25.11.2019 18:31