Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 90° 180° 45° 0° 90° 180° 45° 0° 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. Hydrogen Nitrogen Helium None of these Hydrogen Nitrogen Helium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of Speed of a submarine % O₂ in flue gas Humidity of air % CO₂ in flue gas Speed of a submarine % O₂ in flue gas Humidity of air % CO₂ in flue gas 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 Polarograph Chromatograph Photo electric cell Thermal conductivity meter Polarograph Chromatograph Photo electric cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in a small channel is best measured by a/an Vane meter Venturimeter Pitot tube Weir Vane meter Venturimeter Pitot tube Weir 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? All of these Platinum-platinum + rhodium Iron-constantan Chromel-constantan All of these Platinum-platinum + rhodium Iron-constantan Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP