(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpo

(1) In turbine, what does term CDP, NI, NH, HSSOC, means.
(2) What is the purpose of LO overhead tank in turbines.(3)
An equipment is certified for EEX, IA, IIC,T6, what do you
under stand by this.(4) what is SURGE, and how it is
prevented, what is the purpose of bypass valve across AS
valve.(5) Give 2 application of quartz crystal used for
process parameter measurement.(6) what is meant by cold
float of compressor shaft. (7) state four different types
of flow measurement. For gas flow measurement mmscfd is the
common unit. Expand the unit and specify significance of
word S in the unit.(8) what is meant by Gap voltage, in
vibration measurement. Normally how much Gap voltage is set
and state the reason.(9) what will the new flow factor if
D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10)
what is the usage of QDV & Volume booster.

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