Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer Nitrogen in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer 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 Chromel-alumel Platinum-platinum+rhodium Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Optical pyrometer None of these Here Specially designed thermocouple Radiation pyrometer Optical pyrometer None of these Here Specially designed thermocouple Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² + 1) 1/(s² - 1) 1/(s² + 1) S/(s² - 1) S/(s² + 1) 1/(s² - 1) 1/(s² + 1) S/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury barometer measures the __________ pressure. Absolute Gauge Vacuum Atmospheric Absolute Gauge Vacuum Atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP