Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of Liquid level under pressure Liquid level at atmospheric pressure Very high pressure High vacuum Liquid level under pressure Liquid level at atmospheric pressure Very high pressure High vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermostats Thermocouples Bimetallic thermometers Relays for opening & closing of electrical circuits Thermostats Thermocouples Bimetallic thermometers Relays for opening & closing of electrical circuits ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Depression of freezing point Frequency of light Rpm of a flywheel Liquid level under pressure Depression of freezing point Frequency of light Rpm of a flywheel Liquid level under pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation Criterion provides information about the actual location of roots Cannot be used to test the stability of a control system containing transportation lag Can not determine as to how many roots of the characteristics equation have positive real roots Criterion is not applicable to systems with polynomial characteristic equation ANSWER DOWNLOAD EXAMIANS APP
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