A constant-volume gas thermometer employing nitrogen is used to measure temperatures
A.less than 0?C
B.between 0?C and 100?C
C.greater than 100?C
Category: Instrumentation and Process Control Mcqs
Vapour pressure thermometers are used to measure the temperature in the range of
A.?20? to 1600?C
B.300? to 1100?C
C.800? to 2000?C
D.?20? to 300?C
A constant-volume gas thermometer employing helium is used to measure temperatures
A.less than 0?C
B.between 0?C and 100?C
C.greater than 100?C
Thermocouple in a temperature recorder is an example of
A.primary element
B.secondary element
C.manipulating element
D.functioning element
Which of the following is a dynamic characteristic of instruments?
A.Time lag
B.Drift
C.Reproducibility
D.Span
If pH = 5 then [H+] in moles/litre is
A.5 x 10-1
B.0.0005
C.6 x 10-5
D.0.00001
The Bourdon tube of a vapour pressure thermometer is a
A.primary element
B.secondary element
C.manipulating element
D.functioning element
Measuring lag of a first-order instrument is taken as
A.zero
B.one time constant
C.two time constant
D.hal time constant
Ionisation gauge is used to measure
A.pressure
B.vacuum
C.flow rate
D.composition
