Engineering, 14.09.2019 02:30 suzyleonardsl0
When a 20-lb weight is suspended from a spring, the spring is stretched a distance of 1 in. determine the natural frequency and the period of vibration for a 30-lb weight attached to the same spring
Answers: 2
ft
..........1
..................2
Another question on Engineering
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
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
Answers: 2
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
You know the right answer?
When a 20-lb weight is suspended from a spring, the spring is stretched a distance of 1 in. determin...
Questions
History, 11.09.2019 17:10
English, 11.09.2019 17:10
English, 11.09.2019 17:10
English, 11.09.2019 17:10
Advanced Placement (AP), 11.09.2019 17:10
Biology, 11.09.2019 17:10
