Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. Peltier None of these Thomson Seebeck Peltier None of these Thomson Seebeck ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 460° 32° & 80° 0° & 80° - 273° & 80° 32° & 460° 32° & 80° 0° & 80° - 273° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Chromel - alumel Iron-constantan Copper - constantan Platinum - platinum + rhodium Chromel - alumel Iron-constantan Copper - constantan Platinum - platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. Transportation lag First order system None of these Second order system Transportation lag First order system None of these Second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability None of these Bode stability Nyquist Routh stability None of these Bode stability Nyquist ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability Depends only upon the open loop transfer function All of these Is the same for set point or load changes Determines its stability ANSWER DOWNLOAD EXAMIANS APP
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