Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Mercury in glass Vapor pressure Resistance Bimetallic Mercury in glass Vapor pressure Resistance Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Nitrogen Hydrogen Helium None of these Nitrogen Hydrogen Helium None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Alphatron measures pressure __________ microns. > 3 < 1 < 0.1 < 3 > 3 < 1 < 0.1 < 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 90° 30° 120° 180° 90° 30° 120° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature ANSWER DOWNLOAD EXAMIANS APP
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