Process Control and Instrumentation Psychrometer determines the Humidity of gases Moisture content of solids Water of crystallisation Hygroscopic nature of solids Humidity of gases Moisture content of solids Water of crystallisation Hygroscopic nature of solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Temperature measuring range (- 40°C to 450°C) Speed of response Accuracy (± 1% of span) All of these Temperature measuring range (- 40°C to 450°C) Speed of response Accuracy (± 1% of span) All of these 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 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Conductors Insulators Semi conductors Dielectrics Conductors Insulators Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/12 5π/12 π/3 π/6 π/12 5π/12 π/3 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Decreases Increases Remains constant Increases exponentially Decreases Increases Remains constant Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
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