Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium Hydrogen Nitrogen None of these Helium Hydrogen Nitrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Molten slag flowing out of blast furnace Rotary limestone calcination kiln Combustion space in boilers Hot blast (air) from stoves Molten slag flowing out of blast furnace Rotary limestone calcination kiln Combustion space in boilers Hot blast (air) from stoves ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Radiation Optical Photoelectric None of these Radiation Optical Photoelectric None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Exponential Square root Linear Parabolic Exponential Square root Linear Parabolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO O₂ CO₂ NO₂ NO O₂ CO₂ NO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 2.0 4.0 0.5 1.0 2.0 4.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
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