Process Control and Instrumentation Which of the following is not a second order instrument? None of these Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer Mercury in glass thermometer with covering None of these Pressure gauge with one bellow, two tubes and a tank Bare mercury in glass thermometer Mercury in glass thermometer with covering ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an None of these Gage glass Differential pressure gage External float gage None of these Gage glass Differential pressure gage External float gage ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of O₂ percentage in the flue gas Composition of an alloy CO₂ percentage in the flue gas Specific gravity of petrofuels O₂ percentage in the flue gas Composition of an alloy CO₂ percentage in the flue gas Specific gravity of petrofuels ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Flow rate changes Temperature changes High loads Low loads Flow rate changes Temperature changes High loads Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
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