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 Radiation pyrometer Either B or C Optical pyrometer Chromel-alumel thermocouple Radiation pyrometer Either B or C Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has the least maximum deviation? P-I controller P-I-D controller P-controller P-D controller P-I controller P-I-D controller P-controller P-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In an exothermic chemical reactor, the manipulated variable is the flow rate of None of these Product Reactants Coolant None of these Product Reactants Coolant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means More than one feed-back loop On-off control Feed forward control One feed-back loop More than one feed-back loop On-off control Feed forward control One feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Radiation pyrometer Optical pyrometer Photoelectric pyrometer Thermocouples Radiation pyrometer Optical pyrometer Photoelectric pyrometer Thermocouples ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Paramagnetism method is not used for the composition determination of __________ in gases. Carbon dioxide Oxygen Any of these Oxides of nitrogen Carbon dioxide Oxygen Any of these Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
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