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 Iron-constantan Platinum-platinum + rhodium Chromel-constantan All of these Iron-constantan Platinum-platinum + rhodium Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/8), Kc = 45/4 W = √(7/6), Kc = 46/3 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel Iron-constantan Platinum-platinum+rhodium None of these Chromel-alumel Iron-constantan Platinum-platinum+rhodium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. None of these Second order system First order system Transportation lag None of these Second order system First order system Transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Load Set point Both A & B Neither A nor B Load Set point Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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