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 Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Step Impulse Ramp Sinusoidal Step Impulse Ramp Sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. None of these Transportation lag Second order system First order system None of these Transportation lag Second order system First order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by None of these Routh test Root locus methods Frequency response methods None of these Routh test Root locus methods Frequency response methods ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS