Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 0° 90° 180° 45° 0° 90° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases Decreases Increases exponentially Remains constant Increases Decreases Increases exponentially Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of All of these Greater safety of operation Better quality of product Greater operation economy All of these Greater safety of operation Better quality of product Greater operation economy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Beads Wires Bars Strips Beads Wires Bars Strips ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. 10 -20 20 -10 10 -20 20 -10 ANSWER DOWNLOAD EXAMIANS APP
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