Process Control and Instrumentation Pick out the one which is a first order instrument. Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare metallic thermometer Bare vapor pressure thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare metallic thermometer 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 Carbon-tetrachloride Methyl alcohal Mercury Water Carbon-tetrachloride Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Emf produced is very low of the order of microvolt Both B and C Here Embrittlement of iron occurs Rusting of iron takes place Emf produced is very low of the order of microvolt Both B and C Here Embrittlement of iron occurs Rusting of iron takes place ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1. Level Neither A nor B Here Outlet flow rate Both A & B Here Level Neither A nor B Here Outlet flow rate Both A & B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. None of these Transportation lag Second order system First order system None of these Transportation lag Second order system First order system ANSWER DOWNLOAD EXAMIANS APP
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