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
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Vycor (a glass) Steel Inconel Nichrome Vycor (a glass) Steel Inconel Nichrome ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is G/(1 + H) H/G G/H H(1 + G) G/(1 + H) H/G G/H H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/P V/nRT nRT/V p/nRT nRT/P V/nRT nRT/V p/nRT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid levels in autocalves are measued by None of these Simple float Differential float type manometer Glass gauge None of these Simple float Differential float type manometer Glass gauge 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 system A first order time lag Dead time system A second order system A first order system A first order time lag Dead time system A second order system ANSWER DOWNLOAD EXAMIANS APP
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