121. Working principle of mercury in glass thermometer is
122. Which of the following is not a differential pressure flow meter?
123. E.m.f. generated by thermocouples is of the order of
124. Which of the following does not figure in the list of seven substances selected for international temperature scale?
125. The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.
126. The level of a liquid under pressure can be determined using
127. The __________ of a vapor pressure thermometer is a functioning element.
128. Configuration of Bourdon spring tube is never made of __________ shape.
129. __________ is an example of distributed parameter system
130. Continuous measurement of moisture in paper is done by
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