Hamad Process Control and Instrumentation 22/01/2021 A. Specially designed thermocouple B. Optical pyrometer C. Radiation pyrometer D. None of these Related Mcqs: Mercury thermometer can be used to measure the temperature upto ____________ °C?A. 100 B. 250 C. 350 D. 750... The transfer function of a second order system is _____________________?A. 1/(T2s2 + 2ξTs + 1) B. 1/(T2s2 + 2Ts + 1) C. 1/(T2s2 + 2ξT + 1) D. None of these... Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?A. Nickel B. Brass C. Chromel D. Invar... Which of the following is a ‘contact’ pyrometer ?A. Resistance pyrometer B. Optical pyrometer C. Radiation pyrometer D. Infra red pyrometer... An ideal PID controller has the transfer function [1 + (1/0.55) + 0.25]. The frequency at which the magnitude ratio of the controller is 1, is________________?A. 0.5/0.2 B. 0.2/0.5 C. 0.2 × 0.5 D. 1/√(0.2 × 0.5)...
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