Process Control and Instrumentation The transfer function for a P-D controller is Kc(1 +1/τD s) Kc(1+τD s) Kc/τD s Kc τD s Kc(1 +1/τD s) Kc(1+τD s) Kc/τD s Kc τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon tube is never made of Monel metal Cast iron Phosphor bronze Stainless steel Monel metal Cast iron Phosphor bronze Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Iron-constantan Chromel-alumel Platinum-rhodium Tungsten-molybdenum Iron-constantan Chromel-alumel Platinum-rhodium Tungsten-molybdenum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by 0, π/2 -π/2, π/2 -π/2, 0 - ∞, π/2 0, π/2 -π/2, π/2 -π/2, 0 - ∞, π/2 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? Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a CSTR with first order reaction U-tube manometer Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction U-tube manometer Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell ANSWER DOWNLOAD EXAMIANS APP