Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of pressure Increase of thermal conductivity Volumetric expansion Differential linear expansion Increase of pressure Increase of thermal conductivity Volumetric expansion Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) < 2 (gauge) > 10 (absolute) < atmospheric > 2 (gauge) < 2 (gauge) > 10 (absolute) < atmospheric > 2 (gauge) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Venturimeter Hot wire anemometer Pitot tube Rotameter Venturimeter Hot wire anemometer Pitot tube Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be Over damped Critically damped None of these Under damped Over damped Critically damped None of these Under damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarimeter Polarograph Chromatograph PH meter Polarimeter Polarograph Chromatograph PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Wires Beads Strips Bars Wires Beads Strips Bars ANSWER DOWNLOAD EXAMIANS APP
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