subject
Engineering, 22.10.2019 22:00 anthonybowie99

Asteel frame supports a concrete mass, which in turn supports a exhaust fan. at a speed of 400 rpm, the amplitude of steady state vibration is 4 mm. at a speed of 500 rpm the amplitude of steady state vibration is 11.6 mm. if it is required that at the maximum turbine speed of 520 rpm the maximum steady-state amplitude be less than 2 mm, then the stiffness of the system needs to be changed. determine the minimum value of stiffness necessary for this design specification suppose the original stiffness of the system is k

ansver
Answers: 3

Another question on Engineering

question
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
question
Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
question
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
question
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
You know the right answer?
Asteel frame supports a concrete mass, which in turn supports a exhaust fan. at a speed of 400 rpm,...
Questions
question
History, 09.01.2020 03:31
question
Mathematics, 09.01.2020 03:31
Questions on the website: 13722367