To increase the speed of response of a pressure spring liquid or gas e – McqOptions

MCQOPTIONS

1.	To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with
A.	air
B.	a metal powder or graphite
C.	oil
D.	mercury
Answer» B. a metal powder or graphite

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