Process Control and Instrumentation Which of the following is not a second order instrument? None of these Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank Mercury in glass thermometer with covering None of these Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank 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 1 3 4 2 1 3 4 2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of offset Reduction of stability time None of these Elimination of offset Reduction of offset Reduction of stability time None of these Elimination of offset ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Non-metallic diaphragm used as pressure sensor in instruments is generally made of Synthetic rubber Bakelite Thick paper Teflon Synthetic rubber Bakelite Thick paper Teflon ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Methyl alcohal Mercury Water Carbon-tetrachloride Methyl alcohal Mercury Water ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is 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 Kc(1 +1/τD s) ANSWER DOWNLOAD EXAMIANS APP
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