A constant-volume gas thermometer works on
A.the principle of Archimedes
B.Boyles law
C.Pascals law
D.Charles law
Category: Instrumentation and Process Control Mcqs
What temperature has the same numerical value in Fahrenheit and Centigrade scales?
A.32?
B.0?
C.100?
D.?40?
Iron-constantan thermocouple is used to measure the temperature in the range of
A.?20? to 1600?C
B.300? to 1100?C
C.0? to 600?C
D.600? to 1600?C
Which of the following temperature measuring devices is widely used measure tube side temperature in a shell and tube heat exchanger?
A.Radiation pyrometer
B.Ordinary mercury-in-glass thermometer
C.Thermocouple
D.Constant-volume helium thermometer
The pressure thermometer bulb should have a
A.large area
B.large mass
C.large specific heat
D.low thermal conductivity
Composition of alloys is commonly determined by
A.thermal conductivity cell
B.mass spectrometer
C.polarograph
D.polarimeter
Mercury used as manometer liquid has the disadvantage(s) that it
A.amalgamates of corrodes many metals
B.is expensive
C.is poisonous
D.all of the above.
Pt/Pt-13% Rh thermocouple is used to measure the temperature in the range of
A.0? to 600?C
B.600? to 1600?C
C.0? to 400?C
D.0? to 2000?C
Which one of the following static characteristics of instruments is desirable?
A.Static error
B.Drift
C.Reproducibility
D.Dead zone
Ordinary mercury-in-glass thermometer (without any covering or air gap) is an example of
A.first-order system
B.overdamped second-order system
C.underdamped second-order system
D.multiple first-order systems
