Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 500 to 900 350 to 750 0 to 150 -200 to 150 500 to 900 350 to 750 0 to 150 -200 to 150 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order time lag A second order system A first order system Dead time system A first order time lag A second order system A first order system Dead time system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of natural gas is determined by the Chromatograph Mass spectrometer Both B and C Haldane apparatus Chromatograph Mass spectrometer Both B and C Haldane apparatus ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A simple pitot tube measures the Point velocity Maximum velocity Static pressure Average velocity Point velocity Maximum velocity Static pressure Average velocity ANSWER DOWNLOAD EXAMIANS APP
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