Engineering, 14.09.2019 01:30 cicimarie2018
What is the density of air at 75 °f and 1atm pressure? express in lbm/ft^3 and kg/m^3.
Answers: 3
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
Answers: 3
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Engineering, 04.07.2019 18:20
Along 8-cm diameter steam pipe whose external surface temperature is 900c connects two buildings. the pipe is exposed to ambient air at 70c with a wind speed of 50 km/hr blowing across the pipe. determine the heat loss from the pipe per unit length. (b) air at 500c enters a section of a rectangular duct (15 cm x 20 cm) at an average velocity of 7 m/s. if the walls of the duct are maintained at 100c. a) the length of the tube for an exit temperature of the air to be 40 0c. b)the rate of heat transfer from the air. c) the fan power needed to overcome the pressure drop in this section of the duct.
Answers: 1
What is the density of air at 75 °f and 1atm pressure? express in lbm/ft^3 and kg/m^3....
Mathematics, 05.06.2021 22:00
Mathematics, 05.06.2021 22:00
History, 05.06.2021 22:00
English, 05.06.2021 22:00
Chemistry, 05.06.2021 22:00
Mathematics, 05.06.2021 22:00
English, 05.06.2021 22:10
Computers and Technology, 05.06.2021 22:10
Mathematics, 05.06.2021 22:10
Physics, 05.06.2021 22:10