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 nRT/V V/nRT p/nRT nRT/P nRT/V V/nRT p/nRT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermostats Relays for opening & closing of electrical circuits Thermocouples Bimetallic thermometers Thermostats Relays for opening & closing of electrical circuits Thermocouples Bimetallic thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as transportation lag Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument Same as transportation lag Same as time constant None of these Maximum change in the variable that does not change the reading of the instrument ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Both B and C Very limited flow ranges Cryogenic flow measurements Aerospace and in air borne applications Both B and C Very limited flow ranges Cryogenic flow measurements Aerospace and in air borne applications ANSWER DOWNLOAD EXAMIANS APP
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