Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1, Kc = 13 W = 1/√14, Kc = 45/7√14 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Steel Vycor (a glass) Inconel Nichrome Steel Vycor (a glass) Inconel Nichrome ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is -45° 45° -180° -90° -45° 45° -180° -90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 50 100 1 10 50 100 1 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Chromel-alumel thermocouple Either B or C Radiation pyrometer Optical pyrometer Chromel-alumel thermocouple Either B or C Radiation pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf? Composition of complex ions PH value All of these Degree of hydrolysis Composition of complex ions PH value All of these Degree of hydrolysis ANSWER DOWNLOAD EXAMIANS APP
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