Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Hot blast (air) from stoves Combustion space in boilers Molten slag flowing out of blast furnace Rotary limestone calcination kiln Hot blast (air) from stoves Combustion space in boilers Molten slag flowing out of blast furnace Rotary limestone calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Chromel-alumel Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum + rhodium Copper-constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage pressure transducers are used to measure __________ pressures. Absolute as well as differential Neither A nor B Both A & B Here Gage as well as vacuum Absolute as well as differential Neither A nor B Both A & B Here Gage as well as vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stalagmometer is used for the measurement of Kinematic viscosity Refractive index Surface tension Optical activity Kinematic viscosity Refractive index Surface tension Optical activity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Nyquist Bode stability None of these Routh stability Nyquist Bode stability None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 ANSWER DOWNLOAD EXAMIANS APP
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