Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer 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. Helium None of these Nitrogen Hydrogen Helium None of these Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Fidelity Reproducibility Sensitivity Dead zone Fidelity Reproducibility Sensitivity Dead zone ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an V-notch Cipolletti weir Rectangular weir Orifice meter V-notch Cipolletti weir Rectangular weir Orifice meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Of hot junction only Difference between hot and cold junctions Difference between cold junction and atmospheric temperature Of cold junction only Of hot junction only Difference between hot and cold junctions Difference between cold junction and atmospheric temperature Of cold junction only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Brass Invar Chromel Nickel Brass Invar Chromel Nickel ANSWER DOWNLOAD EXAMIANS APP