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 -45° -180° -90° 45° -45° -180° -90° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Strain Stress Deflection Contraction/expansion due to changes in temperature Strain Stress Deflection Contraction/expansion due to changes in temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of thermal conductivity Volumetric expansion Increase of pressure Differential linear expansion Increase of thermal conductivity Volumetric expansion Increase of pressure Differential linear expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure at a stagnation point Variable flow area Pressure drop across a nozzle Rotation of a turbine Pressure at a stagnation point Variable flow area Pressure drop across a nozzle Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively > 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° < 1.7 and > 30° > 1.7 and > 30° < 1.7 and < 30° > 1.7 and < 30° < 1.7 and > 30° 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 1 2 43832 1 2 43832 ANSWER DOWNLOAD EXAMIANS APP
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