What is efficiency of pneumatic isolators?
Q. Which of the following statements is/are false for pneumatic isolators ?
1. Pneumatic isolators are used when driving frequencies below 10 Hz are present
2. Nausea is caused due to noise at low frequencies
3. At high natural frequencies, isolators can obtain efficiency of 90%
4. Pneumatic isolators have limited load carrying capacity- Published on 11 Sep 15
a. Only statement 1
b. Only statement 3
c. Only statement 2, 4
d. All the above statements are false
ANSWER: Only statement 3