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नियंत्रण वाल्व में स्प्रिंग का मूल कार्य क्या है?

What is the basic function of the spring in a control valve?

A
Characterize flow
B
Oppose the diaphragm to position the valve according to signal pressure
C
Close the valve if air failure occurs
D
Open the valve if air failure occurs
Explanation

Correct Answer: B) Oppose the diaphragm to position the valve according to signal pressure

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