subject
Engineering, 17.02.2020 16:52 mfar3457

When an electric motor is mounted on rubber isolators, the measured peak of the normalized amplitude ratio kX /F is 4. What must the frequency ratio r be in order to reduce the normalized amplitude ratio to 1/3 if we model the damping in the isolators as viscous damping?

ansver
Answers: 3

Another question on Engineering

question
Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
question
Engineering, 04.07.2019 18:10
Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.
Answers: 2
question
Engineering, 04.07.2019 18:20
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
question
Engineering, 04.07.2019 18:20
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
Answers: 2
You know the right answer?
When an electric motor is mounted on rubber isolators, the measured peak of the normalized amplitude...
Questions
question
Mathematics, 19.04.2021 17:40
question
Mathematics, 19.04.2021 17:40
Questions on the website: 13722360