Which valve is most commonly used for throttling service?

Which valve is most commonly used for throttling service? (A) glove valve (B) needle valve (C) ball valve
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Answer :

Which valve is most commonly used for throttling service? 

glove valve

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If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called  (a) free expansion  (b) hyperbolic expansion  (c) adiabatic expansion  (d) parabolic expansion  (e) throttling.

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Last Answer : Answer : e

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