Process Control and Instrumentation Thermistors are used in __________ devices. Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 4/s² 2/s³ 4/s³ 2/s² 4/s² 2/s³ 4/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Radiation pyrometer Photo-electric pyrometer Thermocouple Platinum resistance thermometer Radiation pyrometer Photo-electric pyrometer Thermocouple 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 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag Dead time system A first order system A second order system A first order time lag Dead time system A first order system A second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Iron-constantan thermocouple Alcohol filled thermometer Mercury in glass thermometer Optical pyrometer Iron-constantan thermocouple Alcohol filled thermometer Mercury in glass thermometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
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