Engineering, 31.03.2020 22:35 al8ce
Stephanie and her family went to the pumpkin patch to pick out the perfect pumpkin to carve for Halloween. Stephanie picked out her favorite pumpkin, put it in a wagon, and started pulling her pumpkin and wagon out of the field. All of a sudden, the wagon stopped rolling and Stephanie could not move her pumpkin any further. She knew there was an opposing force holding it in place.
All of the following could be the opposing force except for which one?
A) An upwards hill
B) A small breeze blew
C) A stick lodged in the axle
D) A rock getting stuck under the tire
Answers: 2
Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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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
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Stephanie and her family went to the pumpkin patch to pick out the perfect pumpkin to carve for Hall...
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