Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface High transmissivity of radiation Very thick walls Low emissivity Polished surface High transmissivity of radiation Very thick walls Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.01 psi (absolute) can be measured by __________ gauge. None of these Ionisation Mcloid Pirani None of these Ionisation Mcloid Pirani ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mcleoid gauge is used to measure the Point velocity Pressure Flow rate Vacuum Point velocity Pressure Flow rate Vacuum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Water Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal Carbon-tetrachloride Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. First Second Third Zero First Second Third Zero ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
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