Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 120° Is 90° at the most Approaches 180° asymptotically Is 30° Is 120° Is 90° at the most Approaches 180° asymptotically Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. Transportation lag Second order system First order system None of these Transportation lag Second order system First order system None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Reproducibility Static characteristics Speed of response Fidielity Reproducibility Static characteristics Speed of response Fidielity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 961.93 630.74 1261.93 1064.43 961.93 630.74 1261.93 1064.43 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Smoke density of the flue gas going out of the chimney is measured by a Thermal conductivity meter Photo electric cell Polarograph Chromatograph Thermal conductivity meter Photo electric cell Polarograph Chromatograph ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS