Engineering, 05.09.2019 21:30 vale2652
The standard acceleration (at sea level and 45◦ latitude) due to gravity is 9.806 65 m/s2. what is the force needed to hold a mass of 2 kg at rest in this gravitational field? how much mass can a force of 1 n support?
Answers: 1
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
Answers: 1
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 18:20
A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.
Answers: 3
Engineering, 04.07.2019 19:10
What is the main objective of using reheat rankine cycle?
Answers: 3
The standard acceleration (at sea level and 45◦ latitude) due to gravity is 9.806 65 m/s2. what is t...
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