निम्नलिखित में से कौन सा कैपेसिटिव एलिमेंट सेंसर का अनुप्रयोग नहीं है?
Which of the following is NOT an application of capacitive element sensors?
A
Level control of Liquids
B
Small vessel pump control
C
Pollution detection
D
Metrology application to measure shape errors
Explanation
Correct Answer: C) Pollution detection