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 Radiation pyrometer Optical pyrometer Either B or C Chromel-alumel thermocouple Radiation pyrometer Optical pyrometer Either B or C Chromel-alumel thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Iron-constantan Platinum-platinum+rhodium Chromel-alumel None of these Iron-constantan Platinum-platinum+rhodium Chromel-alumel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Over damped None of these Under damped Critically damped Over damped None of these Under damped Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In Bode plot, Φ vs ω is plotted on a/an __________ graph paper. Log-log Semi-log Ordinary Triangular Log-log Semi-log Ordinary Triangular ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Non-metallic diaphragm used as pressure sensor in instruments is generally made of Bakelite Synthetic rubber Teflon Thick paper Bakelite Synthetic rubber Teflon Thick paper ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases exponentially Decreases Increases Remains constant Increases exponentially Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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