Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Insulator Liquid semi-conductor Solid semi-conductor Conductor Insulator Liquid semi-conductor Solid semi-conductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a High thermal conductivity All of these Large area but small mass Small specific heat High thermal conductivity All of these Large area but small mass Small specific heat ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument Same as transportation lag Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument Same as transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is 2 43832 1 2 43832 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -180° 45° -90° -45° -180° 45° -90° -45° ANSWER DOWNLOAD EXAMIANS APP
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