Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. First order system Second order system Transportation lag None of these First order system Second order system Transportation lag None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Increase the fidelity Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the fidelity Increase the sensitivity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Vapor pressure Mercury in glass Resistance Bimetallic Vapor pressure Mercury in glass Resistance Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Radiation/infrared pyrometer Filled system thermometer Mercury in glass thermometer Thermo electric pyrometer Radiation/infrared pyrometer Filled system thermometer Mercury in glass thermometer Thermo electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
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