An aneroid barometer measures the __________ pressure.

More Questions from Process Control and Instrumentation

• Which of the following does not figure in the list of seven substances selected for international temperature scale?
• Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change?
• Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C.
• Mercury thermometer can be used to measure the temperature upto __________ °C.
• Bourdon gauges are used for measuring pressure (kg/cm2 )
• All the thermocouples used for temperature measurement use dissimilar metal
• The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is
• In a second order under damped system, the
• In an exothermic chemical reactor, the manipulated variable is the flow rate of
• The offset introduced by proportional controller with gain Kcin response of first order system can be reduced by

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